0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9

Analysis

max time kernel
150s
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
24/09/2026, 04:36

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General

Target
jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe
Size 48KB
Sample260924-e8l4ysyxbw
SHA256 0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9
MD5 ed1e317a4526fbc42deb9380bb7f9e90
SHA1 b0e6c9ca6d1f4da026372a7fbca332f93a0af77e
SHA512 8c05094dc6fb88a8a0bfc80d1459892d585c96efb16d94a1f47ec0de3fc46c368b6683e882dcc965b01bc03087faebcaf59a34e9125e6187b721aa6136e62d64
SSDEEP 768:xwDaNg0QqHE8/s8RALkZWWxGkqj02kHbat55xLBH:xwDsVQ0E8U8RA6qw2kKnVh
TLSH
T110234B47B66154B2CADE053430BFBB160F7B9D30966AC9E3CBE32F495870617953290B
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
2416	lenschk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lensch.dll	jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe
File created	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe

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
3928	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	jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lenschk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2416	2800	jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe	88
PID 2800 wrote to memory of 3928	2800	jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\lenschk.exe
  C:\Windows\system32\lenschk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3928

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

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

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

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Downloads

jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9.exe.bat
Size 274B
SHA256 3b26f7322832ec7b6317901f34f0946b78ca140b8b269cbbe46a389a5d0f127d
MD5 4ca602b8c24d39c00e4bb2c5d82ddaaf
SHA1 b7b7cb130d8b824d627f64d551a7475d80cb4b07
SHA512 2c2ef16611eda9fa4a3eb20bfeb22a231fe2ac9911571fd93435703bde60306a045d44babdff1b2de192aeaca5046f48c67efe5ca4baff0334c3064d5e176781
TLSH
T150D0C284A2ED896BBC90F84B0970268DC9B256E6368D2F260220828921D112CF29235C
MD5 SHA1 SHA512 TLSH

Submit Download

lenschk.exe

Path C:\Windows\SysWOW64\lenschk.exe
Size 48KB
SHA256 0001a9237d793b19359b3756a7891d864db7a8b5d9e51ec4c56d00088f3c5aa9
MD5 ed1e317a4526fbc42deb9380bb7f9e90
SHA1 b0e6c9ca6d1f4da026372a7fbca332f93a0af77e
SHA512 8c05094dc6fb88a8a0bfc80d1459892d585c96efb16d94a1f47ec0de3fc46c368b6683e882dcc965b01bc03087faebcaf59a34e9125e6187b721aa6136e62d64
SSDEEP 768:xwDaNg0QqHE8/s8RALkZWWxGkqj02kHbat55xLBH:xwDsVQ0E8U8RA6qw2kKnVh
TLSH
T110234B47B66154B2CADE053430BFBB160F7B9D30966AC9E3CBE32F495870617953290B
MD5 SHA1 SHA512 SSDEEP TLSH