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1.EXE Trojan Wacatac Analysis

Updated 1 month ago
Checked by Malware Check
1.EXE

Technical Analysis

File Name 1.EXE
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-11-17 03:00:27 UTC
⚠

Trojan.Win32.Wacatac.oa!s2

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
67,584
File Size (bytes)
2025-11-17
Analysis Date

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File Identification

Hash Type Value Action
MD5
8ca5d3ae9facb784764c9ff7c219df9e
SHA1
7eafcdc2cd6efc8d280249137684c157019de813
SHA256
f6367d6304a0497fa73fa0711090a33e5d987fc7986dd604ed7a3dacd67afa49
SHA512
1d1ec72b234e20752a14fb940a3e67a531aac0472207d304dc9888e01227f4b053eb1e3f0ee31655fe352eb6bf9a6396b43cb2aa8e0d1ccee9c433b1bcdd71e9
ImpHash
9d9712edc99c1f04a0649901766dfb74

PE Analysis

Basic Information

▼
Icon
Hash: e2e39a13bdf5ae62782db7fa4fc1bf2a
Fuzzy: 839fc9d53f428493c848c0a8d9dea09d
dHash: 30e9e2b0b0e88cac
Image Base 0x00400000
Entry Point 0x0045bea0
Compilation Time 2017-03-19 15:49:31
Checksum 0x00000000 (Actual: 0x000111f8)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 3 libraries
KERNEL32, gdi32, USER32
Exports 0 functions
Resources 8 Resources
Sections 3 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.data 0x00001000 311,296 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.text 0x0004d000 65,536 bytes 61,952 bytes 7.91 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 23B59655FE6CEE5422458C3208D9AE29
.rsrc 0x0005d000 8,192 bytes 4,608 bytes 4.61 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 6DBD42533412ADF7DBF3A1AD10F1B070
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 8 (347,114 bytes)
Resource Type Count Total Size Percentage
RT_BITMAP 5 343,480 bytes
99%
RT_ICON 2 3,600 bytes
1%
RT_GROUP_ICON 1 34 bytes
0%

Certificate Chain Analysis

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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.

Trojan.Win32.Wacatac.oa!s2 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Wacatac.oa!s2 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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