247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6

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, 22:26

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General

Target
jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe
Size 48KB
Sample260925-2chg8a1tds
SHA256 247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6
MD5 d1384d77b86e5d8b27ea21a4575f5469
SHA1 8fce7caf54439b4d4bb1a5d1ebaa603396eb9e25
SHA512 3b29dda6120d556fcebf46838fdfba9b5d30d6378577994304811a9dc86477eba00d5fe546539694dcb6c40e3b525b5dae2bbef801928aaf4ba61faaae466422
SSDEEP 384:IyfSdvKtvYSkhB3nDlZwuOIEuHtPsY2I4YQsJixGAXMepct5mA2Qok:IymCYSYB3nD7quNPsA4YNJiNXzat5ml
TLSH
T19B235C47611998F2CADD023534E9711B5FBA2D3086A600A3EFA76F495DB10BBF524C2B
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
4720	biroask.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\biroas.dll	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe
File created	C:\Windows\SysWOW64\biroask.exe	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.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
3360	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_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biroask.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4360	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe
4360	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4720	4360	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe	89
PID 4360 wrote to memory of 3360	4360	jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\SysWOW64\biroask.exe
  C:\Windows\system32\biroask.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4720
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3360

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_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6.exe.bat
Size 274B
SHA256 7a730396e93ff191d9439554d46e7e212e21c4fa35da7a987312de2a89e3c574
MD5 c576d11ff535c3b0cae9982156a13031
SHA1 6330628dec59fa01296165c2a5c8266c5a45bb12
SHA512 1f3abbcf2ee63baf5f3813024f980de8f5e8739142fcc3cd5c8c34b57c9763e21a8008fccb16685c008307e0e0e13706a1f5e6e8b9b255b7a8e585917f531339
TLSH
T1D7D02BB0C1235094C420DC1B66E13A4AD379153422482F4A335142894E6A01DB3E6F84
MD5 SHA1 SHA512 TLSH

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biroask.exe

Path C:\Windows\SysWOW64\biroask.exe
Size 48KB
SHA256 247dd4ba19660cae04fc06edc4c731a4d654a3aa5c8110fdd3e764e23f201ca6
MD5 d1384d77b86e5d8b27ea21a4575f5469
SHA1 8fce7caf54439b4d4bb1a5d1ebaa603396eb9e25
SHA512 3b29dda6120d556fcebf46838fdfba9b5d30d6378577994304811a9dc86477eba00d5fe546539694dcb6c40e3b525b5dae2bbef801928aaf4ba61faaae466422
SSDEEP 384:IyfSdvKtvYSkhB3nDlZwuOIEuHtPsY2I4YQsJixGAXMepct5mA2Qok:IymCYSYB3nD7quNPsA4YNJiNXzat5ml
TLSH
T19B235C47611998F2CADD023534E9711B5FBA2D3086A600A3EFA76F495DB10BBF524C2B
MD5 SHA1 SHA512 SSDEEP TLSH

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