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Grabber.exe Trojan Wacatac Analysis

Updated 1 year ago
Checked by Malware Check
grabber.exe

Technical Analysis

File Name grabber.exe
File Type
PE32+ executable (console) x86-64, for MS Windows
Scanner Version 1.0.165.174
Database Version 2024-02-20 03:00:29 UTC
⚠

Ransom.Win64.Wacatac.oa!s1

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
6,248,250
File Size (bytes)
2024-02-20
Analysis Date

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File Identification

Hash Type Value Action
MD5
a390935736b0c6d5b7b42e244186f150
SHA1
e93077dcc63bcaa1a233cfc42f20341215afb380
SHA256
f61c7e4ff580adfddce2f27b00c9e328adf453566126add09a52b37a9d0597be
SHA512
e092ea206cdfc81e27bdae46c6d0920ff88b884b24e5e3af3d428c9a9e2bca33d3274f7a23c4a85a01d18f52f045bacb05a4b2d557da5c89a39f7fb6ae749eaf
ImpHash
bae3d3e8262d7ce7e9ee69cc1b630d3a

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x14000b7d0
Compilation Time 2024-02-20 01:18:18
Checksum 0x005fcce2 (Actual: 0x005f9a8e)
OS Version 5.2
PEiD Signatures PE32+ executable (console) x86-64, for MS Windows
Digital Signature The expected hash does not match the digest in SpcInfo
Imports 3 libraries
USER32, KERNEL32, ADVAPI32
Exports 0 functions
Resources 2 Resources
Sections 7 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Host Process for OMA-CP Client
FileVersion 10.0.19041.1 (WinBuild.160101.0800)
InternalName DmOmaCpMo
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename DmOmaCpMo.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.19041.1
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 171,920 bytes 172,032 bytes 6.50 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D77650C42FE7F26E50FFD3A1EB04824B
.rdata 0x0002b000 76,322 bytes 76,800 bytes 5.83 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 13B3BC397D089C485AC2226E20273EF6
.data 0x0003e000 13,128 bytes 3,584 bytes 1.83 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE AB6BBF08F3667724642DB2D3BFD413C7
.pdata 0x00042000 8,976 bytes 9,216 bytes 5.36 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 189D7D6CD859F2885B41151291DF8E67
_RDATA 0x00045000 348 bytes 512 bytes 2.82 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 8073AC06255148B944B04F6A459B3F91
.rsrc 0x00046000 2,380 bytes 2,560 bytes 5.10 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 1F3FE18AA3D7086DE036141982AF016B
.reloc 0x00047000 1,884 bytes 2,048 bytes 5.24 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ EC92FD910E5F98E8BD04CA09D1B19E26
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 2 (2,217 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 924 bytes
41.7%
RT_MANIFEST 1 1,293 bytes
58.3%

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

The expected hash does not match the digest in SpcInfo

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

Ransom.Win64.Wacatac.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win64.Wacatac.oa!s1 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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