6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/09/2026, 04:29

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General

Target
jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe
Size 48KB
Sample260924-e4av5ayfka
SHA256 6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7
MD5 bdb8b9b4582e07ccd3fd256659ee4ea1
SHA1 7ac0a919f37365d86465bbafc641d6b1f5176728
SHA512 efbd5d9e4bd073ebef9b695a261835c01231cbf070a1c82b6d3693ac6eb63e1657be224cae0447e6be5d7830025a88a81a845287ac2e7ce6e0a68cb08bff3fc3
SSDEEP 768:WU1LRP0gVDqJn75dLqDKCC0u4X+Zat5mF:WUpOumJnh0uU
TLSH
T1EF235B4B651598B1CEE9023134D966179FB92E304BA740E3EFF32FC5ADB11A7E42052B
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
1204	biroask.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\biroas.dll	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe
File created	C:\Windows\SysWOW64\biroask.exe	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe
File opened for modification	C:\Windows\SysWOW64\biroask.exe	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.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
4348	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	biroask.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3472	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe
3472	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 1204	3472	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe	95
PID 3472 wrote to memory of 4348	3472	jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe	105

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\biroask.exe
  C:\Windows\system32\biroask.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1204
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4348

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_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7.exe.bat
Size 274B
SHA256 11dc13eaf67f1ea61173e177268c232170bef927b8b43415bbcd522eea247beb
MD5 843d704f00a0a3ec02dd03c48fed8354
SHA1 d028e0e194f2a10ff8c22061cc304695add61673
SHA512 ffa2bd778b75bb8aeb00e62c7847e96c884fae976dda397ff47633a18111b28f302becc8687495f22960bd0825388dfe2e927c9c38333cb4ab633d2db59984e6
TLSH
T1A7D02BE28072838F2444D10FC3FC228D41D15F532D881B71162242E551B8824F2C7704
MD5 SHA1 SHA512 TLSH

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biroask.exe

Path C:\Windows\SysWOW64\biroask.exe
Size 48KB
SHA256 6702bcbae6b985b5ce1ca388153bb1534ed6fb7f37c4a0269edcfe7797da96d7
MD5 bdb8b9b4582e07ccd3fd256659ee4ea1
SHA1 7ac0a919f37365d86465bbafc641d6b1f5176728
SHA512 efbd5d9e4bd073ebef9b695a261835c01231cbf070a1c82b6d3693ac6eb63e1657be224cae0447e6be5d7830025a88a81a845287ac2e7ce6e0a68cb08bff3fc3
SSDEEP 768:WU1LRP0gVDqJn75dLqDKCC0u4X+Zat5mF:WUpOumJnh0uU
TLSH
T1EF235B4B651598B1CEE9023134D966179FB92E304BA740E3EFF32FC5ADB11A7E42052B
MD5 SHA1 SHA512 SSDEEP TLSH

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