92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056

Analysis

max time kernel
150s
max time network
124s
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, 05:41

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General

Target
jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe
Size 52KB
Sample260924-gdlwtafb72
SHA256 92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056
MD5 af69fa68636185e989f1806fe56b5a0b
SHA1 f25d37a11a120e8b781c412bb75c3327e2984efb
SHA512 9a1f8d85dc3201fc5904d194eda6983ada92340a6c1ecbb389af5caab7db65d0e51b055ba2113a409803672658bbcc9830158aa7f0721115197d7d5b67f41372
SSDEEP 768:yvVjoqF7hqo8HALSj1jUDZjF9nF4AajzExLBHb:yNjVrq5QpnUgVhb
TLSH
T121335C4E614098F3C3FE063938145E167FFF6C30742A649BCB67B9946C64AA944BCE0B
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
3924	lenyunsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lenyuns.dll	jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe
File created	C:\Windows\SysWOW64\lenyunsk.exe	jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.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
4620	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_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lenyunsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3924	868	jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe	89
PID 868 wrote to memory of 4620	868	jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\lenyunsk.exe
  C:\Windows\system32\lenyunsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3924
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4620

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_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056.exe.bat
Size 274B
SHA256 b732d1134527f3e572e1fbdbd4804890a7a28ad62cb96e15db3324add1350573
MD5 c6ac278d6b719a4c988f51e77490622d
SHA1 dfdfb6c9c9ddd86d4b10423528df5ec4fd2d90be
SHA512 0ff25a717d58568751587dd93971c46f64c925fd1a465824280c28f8efea99c606ededc8ab0492b20d647c884a8a9704343106652d277fb07abc8158f8ed416c
TLSH
T17DD0C21CFB65471F8CC3C11BA62042AC827204E525681F6106628D882363127E78D71C
MD5 SHA1 SHA512 TLSH

Submit Download

lenyunsk.exe

Path C:\Windows\SysWOW64\lenyunsk.exe
Size 52KB
SHA256 92fdaca631808ffc649b699571aa5510148c4f8ec66e2635275c798861691056
MD5 af69fa68636185e989f1806fe56b5a0b
SHA1 f25d37a11a120e8b781c412bb75c3327e2984efb
SHA512 9a1f8d85dc3201fc5904d194eda6983ada92340a6c1ecbb389af5caab7db65d0e51b055ba2113a409803672658bbcc9830158aa7f0721115197d7d5b67f41372
SSDEEP 768:yvVjoqF7hqo8HALSj1jUDZjF9nF4AajzExLBHb:yNjVrq5QpnUgVhb
TLSH
T121335C4E614098F3C3FE063938145E167FFF6C30742A649BCB67B9946C64AA944BCE0B
MD5 SHA1 SHA512 SSDEEP TLSH