e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/09/2026, 10:01

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General

Target
jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe
Size 48KB
Sample260930-l2evmav14r
SHA256 e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991
MD5 e5a5df18a224ac833f22b605c93fda89
SHA1 5784ab8fcca245db4fe0cf3f25095bb0f7f7ec3b
SHA512 c78da2db9fd581a5b177e83895a5db11e586ca0b2527a4905ffbeaef9e8efbcba3b2f1e17dcabcfd44d284152ed262c6fea027c2addf6385973a2fc48e27ff4a
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7B/mU:IcfAYYShqsuZBX0DPPPYLP/Gat/P
TLSH
T172234D8B944168B1C0EA0A7136A669076BEF8C3C36B850DBDB774DCC7DAD08A61D5E07
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
3192	zesttnsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zesttns.dll	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe
File created	C:\Windows\SysWOW64\zesttnsk.exe	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.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
5992	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_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zesttnsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4212	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe
4212	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 3192	4212	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe	89
PID 4212 wrote to memory of 5992	4212	jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\SysWOW64\zesttnsk.exe
  C:\Windows\system32\zesttnsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3192
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5992

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_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991.exe.bat
Size 274B
SHA256 1bf8864dabee082383ffb057611159e9412262ef614288fb7da1e0dcc8550b34
MD5 089a1434148cef405e8dcd1fa42dba08
SHA1 88bcd3ce291e0c6d3cb2ba4d4339cc7a8c7eed7c
SHA512 8ac584a4d36244f9079f3dd2ff3af85e50b990c2c0deb9f11e17a3905e8b351c3f87a4c5e381fdde57cb8cd493d48ad246edd43bce6526b4cbe895c082f65b74
TLSH
T1C4D02B663165C3C3CFB0C41F06342F4A4217AEA1214A2F2F2134C2D932A2124A3DBB08
MD5 SHA1 SHA512 TLSH

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zesttnsk.exe

Path C:\Windows\SysWOW64\zesttnsk.exe
Size 48KB
SHA256 e352716acab979f6dbb3a5af00a4ea05de8a65910602d222313a4c61e23b1991
MD5 e5a5df18a224ac833f22b605c93fda89
SHA1 5784ab8fcca245db4fe0cf3f25095bb0f7f7ec3b
SHA512 c78da2db9fd581a5b177e83895a5db11e586ca0b2527a4905ffbeaef9e8efbcba3b2f1e17dcabcfd44d284152ed262c6fea027c2addf6385973a2fc48e27ff4a
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7B/mU:IcfAYYShqsuZBX0DPPPYLP/Gat/P
TLSH
T172234D8B944168B1C0EA0A7136A669076BEF8C3C36B850DBDB774DCC7DAD08A61D5E07
MD5 SHA1 SHA512 SSDEEP TLSH

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