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Steam_api.dll Trojan Wacatac Analysis

Updated 2 months ago
Checked by Malaware Check
steam_api.dll

Technical Analysis

File Name steam_api.dll
File Type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.211.174
Database Version 2025-03-26 10:01:21 UTC
⚠

Ransom.Win32.Wacatac.ns

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
1,304,068
File Size (bytes)
2025-03-26
Analysis Date

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File Identification

Hash Type Value Action
MD5
30a417f2c3344b53afaa1cce32b25c31
SHA1
93475c7a81c6a2c10157359470e296cf9c7b54d0
SHA256
3852cfae74e746eba059eaa90979712b90d153fc0717f72838ea2b98682294de
SHA512
f5fe8b36e673ae33e3606cf45fde69ec364b480e75ceead15291c2e2ec7cd4e092b70633dcecdd4269a5a54933467703dd74ca8283e06cff7b7d6ab702bd8980
ImpHash
7f06844fca0bdcd6570b20be1ae38b61

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x1003eea0
Compilation Time 2016-09-28 14:35:00
Checksum 0x00000000 (Actual: 0x0014607b)
OS Version 6.0
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
KERNEL32, USER32, GDI32, ADVAPI32, SHELL32, ole32, WINMM
Exports 847 functions
Resources 4 Resources
Sections 8 Sections

Version Information

▼
CompanyName *!ReLOADeD!*
FileDescription Steam API
FileVersion 7,3,0,0
InternalName steam_api
LegalCopyright *!ReLOADeD!*
OriginalFilename steam_api
ProductName Steam API
ProductVersion 7,3,0,0
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 304,198 bytes 304,640 bytes 6.56 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 7A0FFAD0C6964DE0BE58297213CFDEC5
.rdata 0x0004c000 93,120 bytes 93,184 bytes 5.66 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ A8341E7936A5BCA9D1E004ED12AE7A29
.data 0x00063000 235,960 bytes 3,072 bytes 3.75 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE C913F9FDE8047EA7E229EAA147E3800F
.gfids 0x0009d000 272 bytes 512 bytes 2.34 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ DDE4C1FF0A5DB2B6703BFB1857B81B30
.rsrc 0x0009e000 117,976 bytes 118,272 bytes 5.67 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ A4B65D64ECABED3280A6EB1E0EF05440
.RLD0 0x000bb000 17,068 bytes 17,408 bytes 6.89 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 702187526C5B0B42A46E065AA76F94FB
.RLD1 0x000c0000 748,673 bytes 749,056 bytes 7.91 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ EA9F03A6D4A29136582D9B5C36456763
.reloc 0x00177000 16,336 bytes 16,384 bytes 6.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ AFA1192E22E6A3FFF90CB41FF43824C5
Entropy Analysis Alert

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

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 4 (117,716 bytes)
Resource Type Count Total Size Percentage
RT_BITMAP 3 117,048 bytes
99.4%
RT_VERSION 1 668 bytes
0.6%

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.ns Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.Wacatac.ns 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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