6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4

Analysis

max time kernel
150s
max time network
132s
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, 21:45

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General

Target
jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe
Size 48KB
Sample260924-1l6qqsshja
SHA256 6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4
MD5 b47392d6b2a5daf753a74872322fe960
SHA1 3ef4a8608810cf6a88d15440082c890572475c33
SHA512 72983da91ed273b32d530cbe9239470d3f6d0b3d118e2c9f8924c0c729f432451f018754dea20989916963a151fc6bb6355c70d1c5c69af0830eb2924f4c8ef9
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7S/mU:IcfAYYShqsuZBX0DPPPYLP/GaO/P
TLSH
T1F0234CCB9441A8B1C0EA0A7536A569076BEF8C3C36B850DBDB774CCC7DA904A61D5E07
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
4540	zesttnsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zesttnsk.exe	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe
File created	C:\Windows\SysWOW64\zesttns.dll	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.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
3720	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_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.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
5864	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe
5864	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5864 wrote to memory of 4540	5864	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe	89
PID 5864 wrote to memory of 3720	5864	jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5864
- C:\Windows\SysWOW64\zesttnsk.exe
  C:\Windows\system32\zesttnsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4540
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3720

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_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4.exe.bat
Size 274B
SHA256 932646323c2e7124f0a9f2ad03d5e0d1ba5004eff6fec937924efd66bc83dcca
MD5 533c605de56900c0cf6fa4f824aef3bb
SHA1 ea791ab25b6f57731bf95b5f464bf1ff972b20d2
SHA512 058a6784fd9c90f015c8e86e0746c9b2c9424a12405cffd8ab6db635c091171bffd66960d51f9acd525bde2e88e0b49c5bbd07037e493c6430f30e5168d7fb8f
TLSH
T148D05BC49171C5679A41D63F93330BD98065479D7FCE3F24232342F5038A429F796745
MD5 SHA1 SHA512 TLSH

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zesttnsk.exe

Path C:\Windows\SysWOW64\zesttnsk.exe
Size 48KB
SHA256 6517826eaffd1baffbd8581a8f05e49184289586100d4601549c14d0b9826cd4
MD5 b47392d6b2a5daf753a74872322fe960
SHA1 3ef4a8608810cf6a88d15440082c890572475c33
SHA512 72983da91ed273b32d530cbe9239470d3f6d0b3d118e2c9f8924c0c729f432451f018754dea20989916963a151fc6bb6355c70d1c5c69af0830eb2924f4c8ef9
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7S/mU:IcfAYYShqsuZBX0DPPPYLP/GaO/P
TLSH
T1F0234CCB9441A8B1C0EA0A7536A569076BEF8C3C36B850DBDB774CCC7DA904A61D5E07
MD5 SHA1 SHA512 SSDEEP TLSH

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