Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/10/2026, 17:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
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
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1464 svchost_update.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost_update.exe" reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\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.
pid Process 2404 cmd.exe 3268 cmd.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 4328 reg.exe 876 reg.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1820 wrote to memory of 2404 1820 2026-10-16_4e39b63af6aef7b319a053dabce7ce90_akira_rusty-stealer.exe 86 PID 2404 wrote to memory of 4328 2404 cmd.exe 87 PID 1464 wrote to memory of 3268 1464 svchost_update.exe 93 PID 3268 wrote to memory of 876 3268 cmd.exe 94
Processes
-
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:1820 -
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 /f2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f3⤵
- Adds Run key to start application
- Modifies registry key
PID:4328
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C:\Users\Admin\AppData\Local\Temp\svchost_update.exeC:\Users\Admin\AppData\Local\Temp\svchost_update.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1464 -
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 /f2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SysUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\svchost_update.exe /f3⤵
- Adds Run key to start application
- Modifies registry key
PID:876
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\dummy_executed.txt
- Size 12B
- SHA256 c4af1e3e0613b44313ebdbc55711ec1092b001fb0360a5102d79aabc28b7e409
- MD5 b9073219dd1b5d7507816201cb3816b2
- SHA1 ca1ce8655c102a34698953c7627778fd410347b9
- SHA512 02970721eba01421848db88cbe6cb00ff2c6742377eb046d8b769708c9dbf30a64d68ff03f091e7fa6be5b6480bd3ff86585039a75b51f91646d68af7720c09b
- MD5 SHA1 SHA512
- 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