a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67

Analysis

max time kernel
150s
max time network
125s
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, 10:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe
Size 52KB
Sample260924-mrnkfsbf44
SHA256 a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67
MD5 ccb0fbe97bc63a980b852778a1106da9
SHA1 2c034fdfe81c0b4df6e2a6e8ea237a95a8a2205c
SHA512 be5f2736a7108ece796b9df73d98483848cb790a6fba98efcd76d480f669ef40cc4f840f47b36f7a0d3f2bad220fad4ae8e043de3005c57f46528f737514ddd3
SSDEEP 384:51wP1NToC4CyZJOKYvTFVVSPB33NbLa623wgdJG8BZ4kpt:5GPT8uTF2JN/a623wu08ok
TLSH
T11C334BCF5651B8F3C7BF01333688392619ED6C3D822E5857E683A51B69746E3E922D03
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
2888	svteppsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svtepps.dll	jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe
File created	C:\Windows\SysWOW64\svteppsk.exe	jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.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
4256	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_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.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 5232 wrote to memory of 2888	5232	jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe	88
PID 5232 wrote to memory of 4256	5232	jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5232
- C:\Windows\SysWOW64\svteppsk.exe
  C:\Windows\system32\svteppsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4256

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

Loading Replay Monitor...

Downloads

jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67.exe.bat
Size 274B
SHA256 9e5a1bf8a94c6702e52fbd8425c508d34937cd76919060b01b6c24c8e7f36596
MD5 4890e48fb3718f7c4606454e40885c05
SHA1 58e5adf037a7eb4b6b3683e40f297a29022fc8de
SHA512 3f4ad91d2a6713f88baecc3689f592f847fbe40d0b03e8b54fbc154889eb121b26d2d00757091062d9e3f8f54d2a5b0c5150a597f4f242294c61433f6f46b45b
TLSH
T17AD0C280116BCF201400D01B4831468B41D62C1726CA6B350B314EC513B222CBA82B44
MD5 SHA1 SHA512 TLSH

Submit Download

svteppsk.exe

Path C:\Windows\SysWOW64\svteppsk.exe
Size 52KB
SHA256 a78181bed39373799d6755df73cf639fda8bdb2d53e57ff055cc7c2afaa3fe67
MD5 ccb0fbe97bc63a980b852778a1106da9
SHA1 2c034fdfe81c0b4df6e2a6e8ea237a95a8a2205c
SHA512 be5f2736a7108ece796b9df73d98483848cb790a6fba98efcd76d480f669ef40cc4f840f47b36f7a0d3f2bad220fad4ae8e043de3005c57f46528f737514ddd3
SSDEEP 384:51wP1NToC4CyZJOKYvTFVVSPB33NbLa623wgdJG8BZ4kpt:5GPT8uTF2JN/a623wu08ok
TLSH
T11C334BCF5651B8F3C7BF01333688392619ED6C3D822E5857E683A51B69746E3E922D03
MD5 SHA1 SHA512 SSDEEP TLSH