Doom - ultimate.exe Trojan Wacatac Analysis

Updated 1 year ago

Checked by Malware Check

doom - ultimate.exe

Technical Analysis

File Name	doom - ultimate.exe
File Type	PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version	1.0.214.174
Database Version	2025-04-16 01:00:16 UTC

⚠

Trojan.Win32.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

45,568

File Size (bytes)

2025-04-16

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	3112350a307977eb83ce93b8c63bfc8b
SHA1	f2541e9d3e57a445e197f40c7a7cde3ddd7f11dd
SHA256	2061ffa8521c1dd3e641ec66c88d181b18fcbe7dbebded8157294d7d3aeb53da
SHA512	182d4a7fcd070be381315966f10dc271a098fc2a3be6d48d8bce657f64a73d8ae79315e7ff25fa3e40dd6b0865e23515520f9220223a6d9c3edf9f9178caa343
ImpHash	030fd5e09b262e0bdee910151a998a6e

PE Analysis

Basic Information

▼

Icon	Hash: 9fc45ef49add9a4448d208f85b0cbdf5 Fuzzy: 64876120eb34903742941c218869dbd4 dHash: f0f8e8e8e0c8c8f0
Image Base	`0x00400000`
Entry Point	`0x00401000`
Compilation Time	2014-07-13 12:38:30
Checksum	0x00000000 (Actual: 0x00015fb3)
OS Version	4.0
PEiD Signatures	`PE32 executable (GUI) Intel 80386, for MS Windows`
Digital Signature	No valid SignedData structure was found.
Imports	8 libraries MSVCRT, KERNEL32, COMCTL32, USER32, GDI32, OLE32, SHELL32, SHLWAPI
Exports	0 functions
Resources	7 Resources
Sections	5 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.code`	`0x00001000`	6,071 bytes	6,144 bytes	5.51 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`236DD250E607C391AB78126D5EC4F42F`
`.text`	`0x00003000`	21,185 bytes	21,504 bytes	6.55 (Compressed)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`65AB742FC50E5FF58249A5DA78171877`
`.rdata`	`0x00009000`	1,282 bytes	1,536 bytes	6.86 (Compressed)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`06C543E046FF96BD897B829FDFB7E926`
`.data`	`0x0000a000`	4,856 bytes	4,096 bytes	4.93 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`75178665B72FA9A9DDF7C04AB25DC8C6`
`.rsrc`	`0x0000c000`	10,844 bytes	11,264 bytes	5.57 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`62B394220F727B9E0D0A3203BC1050EC`

Entropy Analysis Alert

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

Resource Analysis

▼

Total Resources: 7 (10,374 bytes)

Resource Type	Count	Total Size	Percentage
RT_ICON	1	9,640 bytes	92.9%
RT_RCDATA	4	103 bytes	1%
RT_GROUP_ICON	1	20 bytes	0.2%
RT_MANIFEST	1	611 bytes	5.9%

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.

Trojan.Win32.Wacatac.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.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
Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
2
Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
3
The app launches right after installation. You'll see the main dashboard with the scan button front and center.
4
Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
5
Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
6
If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.

Important: Before You Start

Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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