603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603

Analysis

max time kernel
150s
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, 18:06

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General

Target
jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe
Size 52KB
Sample260925-wpvenaty2j
SHA256 603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603
MD5 68e76a94865bdf96b38567efd4545053
SHA1 244decfca226425dc9127b16ab31b353a3c002be
SHA512 a21b927af8ba89e1dc6707d9cfc4327c9c17f2fb297da86066c58a645e4d3e625cb4428742c988f58a5c44242c9a11f2a45d3958cca1a9c2be9b4432e09b7693
SSDEEP 384:51wP1NToC4CyZJOKYvTFVVSPB33NbLa623wgdJG8BZ4kpc:5GPT8uTF2JN/a623wu08ok
TLSH
T11A334BCF5651B8F3C7BF01333688392619ED6C3D822E5857E683A51B69746E2E932D03
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
2324	svteppsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svtepps.dll	jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe
File created	C:\Windows\SysWOW64\svteppsk.exe	jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.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
1176	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_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svteppsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2324	1540	jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe	89
PID 1540 wrote to memory of 1176	1540	jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\svteppsk.exe
  C:\Windows\system32\svteppsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1176

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_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603.exe.bat
Size 274B
SHA256 397ca8867435d419ffd57675140ae4699585e534db09f14ff1161c015b9041ad
MD5 5b54637cc19faa6595b5e7450cb4af6f
SHA1 4e0e5584f4db23c0efdb5a9a65d76393788c9f8e
SHA512 ea31780e9a0b1db902ee8fac093e1a3ddca2b12964ea2cac97304987fa11bee65e4a29d11de66846c3c8d208fa672510416dead31e1ce7707abd350143e350c8
TLSH
T19DD02B42F6B2CE40A802943F0238FD87C212181EABAC3F3E1322C2D53440824F2C5741
MD5 SHA1 SHA512 TLSH

Submit Download

svteppsk.exe

Path C:\Windows\SysWOW64\svteppsk.exe
Size 52KB
SHA256 603ae08b5377b787794d2b0704a3fe9159b090e4853c63898b1cdc06af67c603
MD5 68e76a94865bdf96b38567efd4545053
SHA1 244decfca226425dc9127b16ab31b353a3c002be
SHA512 a21b927af8ba89e1dc6707d9cfc4327c9c17f2fb297da86066c58a645e4d3e625cb4428742c988f58a5c44242c9a11f2a45d3958cca1a9c2be9b4432e09b7693
SSDEEP 384:51wP1NToC4CyZJOKYvTFVVSPB33NbLa623wgdJG8BZ4kpc:5GPT8uTF2JN/a623wu08ok
TLSH
T11A334BCF5651B8F3C7BF01333688392619ED6C3D822E5857E683A51B69746E2E932D03
MD5 SHA1 SHA512 SSDEEP TLSH