violetworm | 6b12a7c293a778126b4084359045c53a3d6a1e7de1fd4b6978a2cb4b91f804b9

Analysis

max time kernel
150s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20251231-en
resource tags

arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
submitted
10/01/2026, 09:43

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General

Target
updatehelpermzp5.exe.bin.exe
Size 627KB
Sample260110-lp562scv4d
SHA256 6b12a7c293a778126b4084359045c53a3d6a1e7de1fd4b6978a2cb4b91f804b9
MD5 a03ef905b25587c0ab9a29db55bc63ee
SHA1 c09341a072b0040fc8a06a677a4b2cb8c4dcb9b1
SHA512 24ef1e624e8068e1e30555b90b5fdf4c3822e4c996ebae6ed81e900f5664d680006b03bf81e21b74b488bd1d04ba9614e2e02bde555cabb4ae6fa89d14bdb0e6
SSDEEP 12288:cAkoGG1hoxcloqjNiO0C+HrgiEcNrtKjBAsnQXIAMxlWqvXXt03:cAkoGYloqNi+iE4KjmOxcuM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

execution violetworm persistence worm

Malware Config

Signatures

Detects VioletWorm 1 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b2f6-35.dat	family_violetworm

VioletWorm
VioletWorm is a Windows worm written in C#.
worm violetworm
Violetworm family
violetworm

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4712	powershell.exe
4712	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\game.exe	game.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\game.exe	game.exe

Executes dropped EXE 6 IoCs

pid	Process
2164	game.exe
3964	game.exe
3520	game.exe
2320	game.exe
2816	game.exe
3788	game.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1879222327-309181551-1066679662-1000\Software\Microsoft\Windows\CurrentVersion\Run\game = "C:\\Users\\Admin\\AppData\\Local\\MicrosoftPQGHQ\\game.exe"	updatehelpermzp5.exe.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1879222327-309181551-1066679662-1000\Software\Microsoft\Windows\CurrentVersion\Run\game = "C:\\Users\\Admin\\AppData\\Roaming\\game.exe"	game.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4712	powershell.exe
4712	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	powershell.exe
Token: SeDebugPrivilege	2164	game.exe
Token: SeDebugPrivilege	3964	game.exe
Token: SeDebugPrivilege	3520	game.exe
Token: SeDebugPrivilege	2320	game.exe
Token: SeDebugPrivilege	2816	game.exe
Token: SeDebugPrivilege	3788	game.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4712	2588	updatehelpermzp5.exe.bin.exe	77
PID 2588 wrote to memory of 2164	2588	updatehelpermzp5.exe.bin.exe	79
PID 2164 wrote to memory of 1836	2164	game.exe	82

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\updatehelpermzp5.exe.bin.exe
"C:\Users\Admin\AppData\Local\Temp\updatehelpermzp5.exe.bin.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4712
- C:\Users\Admin\AppData\Local\MicrosoftPQGHQ\game.exe
  "C:\Users\Admin\AppData\Local\MicrosoftPQGHQ\game.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "game" /tr "C:\Users\Admin\AppData\Roaming\game.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1836

C:\Users\Admin\AppData\Local\MicrosoftPQGHQ\game.exe
C:\Users\Admin\AppData\Local\MicrosoftPQGHQ\game.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3964

C:\Users\Admin\AppData\Roaming\game.exe
C:\Users\Admin\AppData\Roaming\game.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3520

C:\Users\Admin\AppData\Roaming\game.exe
C:\Users\Admin\AppData\Roaming\game.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2320

C:\Users\Admin\AppData\Roaming\game.exe
C:\Users\Admin\AppData\Roaming\game.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2816

C:\Users\Admin\AppData\Roaming\game.exe
C:\Users\Admin\AppData\Roaming\game.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3788

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

game.exe

Path C:\Users\Admin\AppData\Local\MicrosoftPQGHQ\game.exe
Size 1.5MB
SHA256 43e91f2ff0f90919f77aaa7d21a77a93b6e413df8a4e8c818e7d215f800e5d13
MD5 4eb4edf6a9173d4852489a76f960bb1a
SHA1 aac7fcd615a420e06919e8bc847e326a422917bf
SHA512 6774641f903c980b74e341fc7cb875ca6bc44998bb5e77a923896bf5d8dbd15c149eed2dd0e80a4578e89c85402e0d9b0a7571d5b77b4ad1280964501acd13d3
SSDEEP 24576:c8pQx8L689eI86qA+gSCjgT17QEze1ezmXemmZL7xLiCivDNiQ:orO
TLSH
T18A759D2879BB50589977FF523EDCBAEADCEF263268059057104503078A22AD0EF53D7E
MD5 SHA1 SHA512 SSDEEP TLSH

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game.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\game.exe.log
Size 1KB
SHA256 744cf26c0641b62c0daa1d5508613d6f1417778c242d3d79220121f70f9515b5
MD5 94aaadf8fa4c31d238b961fcb2a519d5
SHA1 608175ecf723861c59796d3989fee3dfdf3bb6d2
SHA512 574d80ffabd249da41a8c4618123aa2e88595cf3ac55b9e3e4c2dd2a3c2cee52c954119f5ed54d36941da78a4bc1963cdaa7dfdd4f19d3c1e954ced86deafecf
TLSH
T14E118C302376A0D889263F421C1D268557AF476AB654EE0C7598635DDD260575B213F3
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_stna41ck.hut.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_stna41ck.hut.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2164-43-0x0000000000D70000-0x0000000000EF6000-memory.dmp

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memory/2588-0-0x00000000006B0000-0x0000000000754000-memory.dmp

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memory/2588-30-0x000000001B7C0000-0x000000001B7D0000-memory.dmp

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memory/4712-21-0x000001EBF5920000-0x000001EBF593C000-memory.dmp

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memory/4712-24-0x000001EBF5910000-0x000001EBF5918000-memory.dmp

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memory/4712-19-0x000001EBF5830000-0x000001EBF58E3000-memory.dmp

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memory/4712-20-0x000001EBF58F0000-0x000001EBF58FA000-memory.dmp

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memory/4712-18-0x000001EBF5810000-0x000001EBF582C000-memory.dmp

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memory/4712-22-0x000001EBF5900000-0x000001EBF590A000-memory.dmp

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memory/4712-23-0x000001EBF5960000-0x000001EBF597A000-memory.dmp

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memory/4712-17-0x00007FF4FB5B0000-0x00007FF4FB5C0000-memory.dmp

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memory/4712-25-0x000001EBF5940000-0x000001EBF5946000-memory.dmp

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memory/4712-26-0x000001EBF5950000-0x000001EBF595A000-memory.dmp

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memory/4712-27-0x000001EBF5720000-0x000001EBF5730000-memory.dmp

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memory/4712-10-0x000001EBF5720000-0x000001EBF5730000-memory.dmp

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memory/4712-3-0x000001EBF5760000-0x000001EBF5782000-memory.dmp

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memory/4712-2-0x000001EBF5720000-0x000001EBF5730000-memory.dmp

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memory/4712-1-0x000001EBF5720000-0x000001EBF5730000-memory.dmp

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