267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55

Analysis

max time kernel
150s
max time network
147s
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, 22:31

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General

Target
jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe
Size 48KB
Sample260925-2fmaksyapd
SHA256 267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55
MD5 c5ce9aa4f9aaba0f016264acca3bb64d
SHA1 d52a46b3daab9e33e8fa8e86044a08eb89e0a912
SHA512 293a69d76939287734ce08974515409a146affba1108bb704e52df3ab2f13fcaddd25715a0503db6e55f049d2625aacd198baffc3f26e70c8029d15c3d7c3d22
SSDEEP 384:IMyvADekRtvYSFwzn8xOrLgN205ahYLKPXPClP/Yda7RF:IrY6knYSG8Mrx0N+PXPClPAdaL
TLSH
T11C234B8B940264F1D5A68A342692661377EE4D3C37A864AFDF7348CC7F2948E72C5E07
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
3976	zesttnsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zesttns.dll	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe
File created	C:\Windows\SysWOW64\zesttnsk.exe	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.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
6140	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zesttnsk.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4460	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe
4460	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3976	4460	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe	90
PID 4460 wrote to memory of 6140	4460	jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\zesttnsk.exe
  C:\Windows\system32\zesttnsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:6140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:2072

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_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55.exe.bat
Size 274B
SHA256 61896df414134e576567d47ff30bd4e914e458ac0d2e8ebf4474932671fbe2c5
MD5 6cfc7efd028d5f03ac089c1ffbf56388
SHA1 9958c3771cc49bc5ba3c89a943d849da766deaa5
SHA512 07cf26c9330a129b3c79062bb2f705fbb079fd73614d2aeb9ce2da191bd649b2395adf460a6faeca62e56ec458f797f926af07936c51073d4a33629ae3478046
TLSH
T100D02B964371565D1488BE6F1338D50BD0210BF03A983F2E16228AE533D8108B7D6B48
MD5 SHA1 SHA512 TLSH

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zesttnsk.exe

Path C:\Windows\SysWOW64\zesttnsk.exe
Size 48KB
SHA256 267923a8a9d09ff7342fe38629fc5542d0743c895426211ea826f35163342f55
MD5 c5ce9aa4f9aaba0f016264acca3bb64d
SHA1 d52a46b3daab9e33e8fa8e86044a08eb89e0a912
SHA512 293a69d76939287734ce08974515409a146affba1108bb704e52df3ab2f13fcaddd25715a0503db6e55f049d2625aacd198baffc3f26e70c8029d15c3d7c3d22
SSDEEP 384:IMyvADekRtvYSFwzn8xOrLgN205ahYLKPXPClP/Yda7RF:IrY6knYSG8Mrx0N+PXPClPAdaL
TLSH
T11C234B8B940264F1D5A68A342692661377EE4D3C37A864AFDF7348CC7F2948E72C5E07
MD5 SHA1 SHA512 SSDEEP TLSH

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