f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c

Analysis

max time kernel
150s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:31

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General

Target
jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe
Size 48KB
Sample260925-w57pxstejc
SHA256 f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c
MD5 22c79e906fe034d3111942e31a94cb32
SHA1 eb7ddff1d47abb9a888449285b46e66b935e98e0
SHA512 382dafd8fdaa7095665efb878452ce23bbbfc15d1662b7696ebdd99850bdcb9cb6616d65e1fc585aeaa8090d70ff239a52145ae8ec4256e8a891f76c77b5e19e
SSDEEP 768:O+YyoNglpxDlAzMEVtijqjQtQat5JxLBHT6:O+YymYpxD2zMU4+Q/nVhW
TLSH
T166233C86B7608CF3C3D905B4346FAB3A4BA76C3413765893ABF336D558212A39934D1B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
4900	lenowosk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lenowos.dll	jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe
File created	C:\Windows\SysWOW64\lenowosk.exe	jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

Executes a command shell one-liner 1 TTPs 1 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
5744	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lenowosk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4900	2800	jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe	89
PID 2800 wrote to memory of 5744	2800	jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\lenowosk.exe
  C:\Windows\system32\lenowosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4900
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5744

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

Accessibility Features

T1546.008

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

Accessibility Features

T1546.008

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c.exe.bat
Size 274B
SHA256 a90663c0cc6d6e4e932979d247d5589e162509b00a9050f3fcf7d6b856a65a68
MD5 7f92c64ea500c36708c12248c8c57b77
SHA1 12fafcb9b5d5c156a830a0b451231155e31c7c08
SHA512 2ff1d2d33d19be380f208235609e90a0ef82175d5e0daebe0abf1a244b4baa6a4431fe6912ce162b452858e9c65ad185642a29ab4f3262d4fd5ac2f432de965b
TLSH
T160D02B8000A6EB412C11DE5F843D55CDC3D62FB52B546FA13F1552D862D24BCE6D7744
MD5 SHA1 SHA512 TLSH

Submit Download

lenowosk.exe

Path C:\Windows\SysWOW64\lenowosk.exe
Size 48KB
SHA256 f87747dda272093efd7e94b424637072eaad53c4d9b1be5993ee0de6a8e3cc5c
MD5 22c79e906fe034d3111942e31a94cb32
SHA1 eb7ddff1d47abb9a888449285b46e66b935e98e0
SHA512 382dafd8fdaa7095665efb878452ce23bbbfc15d1662b7696ebdd99850bdcb9cb6616d65e1fc585aeaa8090d70ff239a52145ae8ec4256e8a891f76c77b5e19e
SSDEEP 768:O+YyoNglpxDlAzMEVtijqjQtQat5JxLBHT6:O+YymYpxD2zMU4+Q/nVhW
TLSH
T166233C86B7608CF3C3D905B4346FAB3A4BA76C3413765893ABF336D558212A39934D1B
MD5 SHA1 SHA512 SSDEEP TLSH