42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514

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, 04:27

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General

Target
jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe
Size 48KB
Sample260924-e23s5a1w4r
SHA256 42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514
MD5 ce58bca100a83b0af2df46b2ff28cec0
SHA1 6f4d54302664e20846e5bd47a3960b9a65980fbf
SHA512 37b9750b39a3d7756769d590df3bb36ef1bac5261974a4466ed15289a1e7045e8874ed58a8fd48c7484c708d4bd7daed2a77fff457cb4dea6928482f515dcc22
SSDEEP 768:n6x0Ng5ApKZn8RdO9mnqybJkuk/Q0at5oxLBHY:n6xqgApKZG0YWuqyGVh
TLSH
T176236C07AA2158F2C6DE017030BE77260EB75E34837AD9E3CAEB3F855DB02135525A1B
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
4116	lenschk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lensch.dll	jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe
File created	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.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
5128	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_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.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 1376 wrote to memory of 4116	1376	jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe	88
PID 1376 wrote to memory of 5128	1376	jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\lenschk.exe
  C:\Windows\system32\lenschk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5128

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_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514.exe.bat
Size 274B
SHA256 3e2b785c883c3ac0e2c290e0f03216f9734c201571a4cfd2a0e260b20c9ecd21
MD5 17083b7bbaa26df82a77704b1b904ac3
SHA1 2c8dfd8303c2e856bd1639585baeead7edd384c5
SHA512 2a3ddb237c7bba0311ec47d4f98f1ba75ca2bbee1e5e2325dfaa947d7fd2e3b01f49553fcaeef2edd66d6f37f1302ee74f102352103c9fc1560ccf59f0f433aa
TLSH
T1B0D02BD1C96B40542D40A60F453D1B5E79310D7D1ECA2F61071296F4041241DF7C2B14
MD5 SHA1 SHA512 TLSH

Submit Download

lenschk.exe

Path C:\Windows\SysWOW64\lenschk.exe
Size 48KB
SHA256 42edf4a1a27c8d5178810cd1c7ed396f0f2abf2a0d3341ce2040e9bcd8406514
MD5 ce58bca100a83b0af2df46b2ff28cec0
SHA1 6f4d54302664e20846e5bd47a3960b9a65980fbf
SHA512 37b9750b39a3d7756769d590df3bb36ef1bac5261974a4466ed15289a1e7045e8874ed58a8fd48c7484c708d4bd7daed2a77fff457cb4dea6928482f515dcc22
SSDEEP 768:n6x0Ng5ApKZn8RdO9mnqybJkuk/Q0at5oxLBHY:n6xqgApKZG0YWuqyGVh
TLSH
T176236C07AA2158F2C6DE017030BE77260EB75E34837AD9E3CAEB3F855DB02135525A1B
MD5 SHA1 SHA512 SSDEEP TLSH