fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85

Analysis

max time kernel
150s
max time network
128s
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, 22:24

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General

Target
jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe
Size 48KB
Sample260925-2bd4eayw7j
SHA256 fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85
MD5 22ef755a8aac3deb48e346b5a1419434
SHA1 bc1a12de93ebd907a5cd4c58d5b4f98ae8f63e05
SHA512 619c4cb8a730844118f0fe0ae7840f2288135ba6fe4cd71c1bde76bbbae9bd10f6dbabe8cb7530eb6d4afbddf09ddfe7bd5428202c243e70444c14a54282e25d
SSDEEP 768:zEsSABLNgHV59dd0Jqp91W8Bat5oxLBHTS:zEsSABpoVdEM91J0WVhe
TLSH
T15B235C4AB6548DF3C29F0574319A66320FBB1D305B36ACA7DBF32B886C35693163491B
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
4140	lenschk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe
File created	C:\Windows\SysWOW64\lensch.dll	jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.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
5972	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_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.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 4612 wrote to memory of 4140	4612	jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe	89
PID 4612 wrote to memory of 5972	4612	jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\lenschk.exe
  C:\Windows\system32\lenschk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5972

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

Replay Monitor

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Downloads

jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85.exe.bat
Size 274B
SHA256 361ab7c9bf11cf9a6f30cc8a801c31a3cec1e5c096509aa0e747457a7745756e
MD5 4105892551d68aae5195a772b982f361
SHA1 37b422822c7a4024b67e23537805f6a8bdebde54
SHA512 bc44ec5e351e82964b1ef1c0cab2a876ac2c05fcdf36bad1b5ff3b58e2332e535bf3742f50cb3a7938e22c867a759ff2ac4ff36c533f81c063233e9bc055ffe8
TLSH
T132D02BC0130584BC5480A81F9E78DF9FA232097CB9491F17C6D1618321B292DA39370C
MD5 SHA1 SHA512 TLSH

Submit Download

lenschk.exe

Path C:\Windows\SysWOW64\lenschk.exe
Size 48KB
SHA256 fb07f18def0b7bf6fda62ee8a51c8339079af370cfdeee173b0aad27f3228c85
MD5 22ef755a8aac3deb48e346b5a1419434
SHA1 bc1a12de93ebd907a5cd4c58d5b4f98ae8f63e05
SHA512 619c4cb8a730844118f0fe0ae7840f2288135ba6fe4cd71c1bde76bbbae9bd10f6dbabe8cb7530eb6d4afbddf09ddfe7bd5428202c243e70444c14a54282e25d
SSDEEP 768:zEsSABLNgHV59dd0Jqp91W8Bat5oxLBHTS:zEsSABpoVdEM91J0WVhe
TLSH
T15B235C4AB6548DF3C29F0574319A66320FBB1D305B36ACA7DBF32B886C35693163491B
MD5 SHA1 SHA512 SSDEEP TLSH