d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e

Analysis

max time kernel
150s
max time network
124s
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, 11:28

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General

Target
jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe
Size 44KB
Sample260924-nlb5xace48
SHA256 d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e
MD5 0ed0a30415e482b4660b4526f38cf79b
SHA1 13034c4c590a21e7f4d9b83017605532245c8fcb
SHA512 87d446500d9381e51b97192a1e89e419a72b124f2bd58b551e6073ef48d93e53bccc0b2de788ff69ca84f9c0e37c3682dcfa96fca050f512f2965ff0e85faf77
SSDEEP 384:xI/zgqYBvrtLulVxlU4H4dwTGAFXywapct5jgOZ:xrqsrtKVbdRSAMHat5j
TLSH
T1E913294BAE02E8B3D6CE4474295B563B5FAA593563A64CD3CBB32ED198701E44C33613
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
2676	mysibkk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mysibk.dll	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe
File created	C:\Windows\SysWOW64\mysibkk.exe	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.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
696	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_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mysibkk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4564	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe
4564	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 2676	4564	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe	90
PID 4564 wrote to memory of 696	4564	jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\mysibkk.exe
  C:\Windows\system32\mysibkk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:696

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_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e.exe.bat
Size 274B
SHA256 8021f29006a403188a4b6f4e08782bf1766cf25a99e8ddac96423fa77a639cf3
MD5 892d43c36c44160953b5251d7ee16164
SHA1 0cbf865d595c0fcda8f2f8c701d4aa45241aab15
SHA512 d9db1ddaf831a024e75bc7899dc05b4d4ac049c820184f55f3ac29d5b54571eb0b1bb5732399ccc5cbd0077bdd2f45f4d79c056ab66a8605ee8683813e32dad8
TLSH
T103D02B88A292841EF40CE51B25B6054EC0616CC4278C3F140731C2D4138013CF3E6703
MD5 SHA1 SHA512 TLSH

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mysibkk.exe

Path C:\Windows\SysWOW64\mysibkk.exe
Size 44KB
SHA256 d1319a28963475ab26f252aa9b40fb315a6a12a87465bd647b74fae0d38d1f7e
MD5 0ed0a30415e482b4660b4526f38cf79b
SHA1 13034c4c590a21e7f4d9b83017605532245c8fcb
SHA512 87d446500d9381e51b97192a1e89e419a72b124f2bd58b551e6073ef48d93e53bccc0b2de788ff69ca84f9c0e37c3682dcfa96fca050f512f2965ff0e85faf77
SSDEEP 384:xI/zgqYBvrtLulVxlU4H4dwTGAFXywapct5jgOZ:xrqsrtKVbdRSAMHat5j
TLSH
T1E913294BAE02E8B3D6CE4474295B563B5FAA593563A64CD3CBB32ED198701E44C33613
MD5 SHA1 SHA512 SSDEEP TLSH

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