3b34a1282bafa5e18fafee1f32df1059f5101d063e100e83e6e9a3b45e858699

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/10/2026, 17:49

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General

Target
2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe
Size 229KB
Sample261017-wedddsbs61
SHA256 3b34a1282bafa5e18fafee1f32df1059f5101d063e100e83e6e9a3b45e858699
MD5 4e39b63af6aef7b319a053dabce7ce90
SHA1 87253c6b4e9c254503e14d211cd99332c6f6f8b9
SHA512 ad41d0e493b34ab2b19aa4acb84cabf726df284072ad311056642216e6d33a96c53ca074ad4671d8aef1882cc8db435aaa62d21eedf43744ce3935231e35e538
SSDEEP 3072:+v19vvZ4QGr/m9BqSUIO6tY7X2o4p0la8zyMi8YO0kEiVAHI4VzwnsBrqXKF:+p9G69gSq6tY7X2Hp05yhuEimpwS/
TLSH
T1B8344A217E456CADD45AC074C316CA72B63274CA0B31F9FF02A552393F6AAF66E38354
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

execution persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
400	svchost_update.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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost_update.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost_update.exe"	reg.exe

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3292	cmd.exe
896	cmd.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
704	reg.exe
3976	reg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 3292	1316	2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe	89
PID 3292 wrote to memory of 704	3292	cmd.exe	90
PID 400 wrote to memory of 896	400	svchost_update.exe	94
PID 896 wrote to memory of 3976	896	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\system32\cmd.exe
  "cmd" /C reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\system32\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:704

C:\Users\Admin\AppData\Local\Temp\svchost_update.exe
C:\Users\Admin\AppData\Local\Temp\svchost_update.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\system32\cmd.exe
  "cmd" /C reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Windows\system32\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:3976

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

dummy_executed.txt

Path C:\Users\Admin\AppData\Local\Temp\dummy_executed.txt
Size 12B
SHA256 c4af1e3e0613b44313ebdbc55711ec1092b001fb0360a5102d79aabc28b7e409
MD5 b9073219dd1b5d7507816201cb3816b2
SHA1 ca1ce8655c102a34698953c7627778fd410347b9
SHA512 02970721eba01421848db88cbe6cb00ff2c6742377eb046d8b769708c9dbf30a64d68ff03f091e7fa6be5b6480bd3ff86585039a75b51f91646d68af7720c09b
MD5 SHA1 SHA512

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svchost_update.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost_update.exe
Size 229KB
SHA256 3b34a1282bafa5e18fafee1f32df1059f5101d063e100e83e6e9a3b45e858699
MD5 4e39b63af6aef7b319a053dabce7ce90
SHA1 87253c6b4e9c254503e14d211cd99332c6f6f8b9
SHA512 ad41d0e493b34ab2b19aa4acb84cabf726df284072ad311056642216e6d33a96c53ca074ad4671d8aef1882cc8db435aaa62d21eedf43744ce3935231e35e538
SSDEEP 3072:+v19vvZ4QGr/m9BqSUIO6tY7X2o4p0la8zyMi8YO0kEiVAHI4VzwnsBrqXKF:+p9G69gSq6tY7X2Hp05yhuEimpwS/
TLSH
T1B8344A217E456CADD45AC074C316CA72B63274CA0B31F9FF02A552393F6AAF66E38354
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads