2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619

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, 04:31

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General

Target
jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe
Size 48KB
Sample260924-e5s34ayfle
SHA256 2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619
MD5 9ff95e2a7163d5071b780e8f4ccfa4b9
SHA1 93596c222774db4383bcdee2bcc2f5bb2d1f678c
SHA512 7b0e36f4dda2b168661331f3fd13a10b839353d76329401aed8dac9726cecab2f4330c66bb16b138def8ca146f8eac4621248e432baa2e8fa77d345aa13ce609
SSDEEP 768:WU1LRP0gVDqJn75dLqDKCC0u4X+Zat5mQ:WUpOumJnh0uU
TLSH
T1FA235B4B651598B1CEE9023534D926179FB92E304BA740E3EFF32FC5ADB11A7E42052B
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
2092	biroask.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\biroas.dll	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe
File created	C:\Windows\SysWOW64\biroask.exe	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe
File opened for modification	C:\Windows\SysWOW64\biroask.exe	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.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
4832	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_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.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
1756	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe
1756	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2092	1756	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe	94
PID 1756 wrote to memory of 4832	1756	jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe	107

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\SysWOW64\biroask.exe
  C:\Windows\system32\biroask.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4832

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_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619.exe.bat
Size 274B
SHA256 95316e4cae1774be6e5de48c978ccfc7db48d80d42e92bed5237a9743e0765aa
MD5 4d656277ea24e8a99d84a28f92fd6bb2
SHA1 bd8e4a4c3edae4d940e7f43f4ba0914dd425be41
SHA512 7a80053178b84cd0151af615129d1d0f969f597cb341ce2933c72c1398554224038a9a4674d1fb68aa3664434f987f183443f06b812716fcc12df845b9f1ff05
TLSH
T192D0C26C4E93C5974C08DD0B2439FD8EF9F12E462E483F200722C2C42662814E182720
MD5 SHA1 SHA512 TLSH

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biroask.exe

Path C:\Windows\SysWOW64\biroask.exe
Size 48KB
SHA256 2366946bf46413897bc6e8a52f54354e151e188e22cc3ea934db2bce9e579619
MD5 9ff95e2a7163d5071b780e8f4ccfa4b9
SHA1 93596c222774db4383bcdee2bcc2f5bb2d1f678c
SHA512 7b0e36f4dda2b168661331f3fd13a10b839353d76329401aed8dac9726cecab2f4330c66bb16b138def8ca146f8eac4621248e432baa2e8fa77d345aa13ce609
SSDEEP 768:WU1LRP0gVDqJn75dLqDKCC0u4X+Zat5mQ:WUpOumJnh0uU
TLSH
T1FA235B4B651598B1CEE9023534D926179FB92E304BA740E3EFF32FC5ADB11A7E42052B
MD5 SHA1 SHA512 SSDEEP TLSH

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