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SMwsJ.exe Trojan Wacatac Analysis

Updated 1 month ago
Checked by Malware Check
SMwsJ.exe

Technical Analysis

File Name SMwsJ.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-12-02 13:00:34 UTC
⚠

Ransom.Win32.Wacatac.cld

Malware family: Wacatac

Wacatac malware demonstrates multiple malicious capabilities including data theft, system compromise, and secondary payload deployment. It can download additional malware components including ransomware to extend attack impact.
N/A
Detection Rate
2,463,744
File Size (bytes)
2025-12-02
Analysis Date

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File Identification

Hash Type Value Action
MD5
11fb50178b4b3782d07d0e62feea5243
SHA1
51c2ca388a0901f8304cb9f0e3307b6eb9ff9ff8
SHA256
cef35587f56323c2155364bdf2c4f112339ff56ac6f6f4059bc7e50af2338f71
SHA512
6226a709537536feddeb881804e16ca17e24a3b53f8dd7fad005a5e377ee5c89ba4adebe09fe1618ae2b52ea78d58bc3353a2351957b22515f6fd8b0e4557d68
ImpHash
a4dc15a7b224597c9a1fef29094f3030

PE Analysis

Basic Information

▼
Icon
Hash: 28fd4b28ee26df641ce665653b1b314f
Fuzzy: e66a836dbca05852a3ac53a78fd4b221
dHash: f0968ee8aae8e8b2
Image Base 0x00400000
Entry Point 0x0069d192
Compilation Time 2023-03-31 08:06:02
Checksum 0x00000000 (Actual: 0x00261628)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 10 libraries
KERNEL32, USER32, ADVAPI32, SHELL32, ole32, SHLWAPI, COMCTL32, gdiplus, GDI32, WTSAPI32
Exports 0 functions
Resources 21 Resources
Sections 9 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 227,668 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x00039000 72,890 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x0004b000 8,012 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.gfids 0x0004d000 296 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.tls 0x0004e000 9 bytes 512 bytes 0.02 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1F354D76203061BFDD5A53DAE48D5435
.vmp0 0x0004f000 2,170,028 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.vmp1 0x00261000 2,367,056 bytes 2,367,488 bytes 7.99 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 5E5D45AC95AF4B0C32840F20C8F42E89
.reloc 0x004a3000 324 bytes 512 bytes 3.05 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3E14FC46857693A6013E6DEAF8BC6B44
.rsrc 0x004a4000 94,160 bytes 94,208 bytes 4.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ E7A536E095326D9F7A83405B5B2D1202
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

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Total Resources: 21 (93,058 bytes)
Resource Type Count Total Size Percentage
RT_ICON 18 92,154 bytes
99%
RT_GROUP_ICON 2 264 bytes
0.3%
RT_MANIFEST 1 640 bytes
0.7%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Ransom.Win32.Wacatac.cld Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.Wacatac.cld without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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