d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9

Analysis

max time kernel
150s
max time network
140s
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, 04:42

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General

Target
jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe
Size 48KB
Sample260924-fbw4bseb39
SHA256 d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9
MD5 b7bedc057a6df0c95c37b4f3eadd5ecf
SHA1 0823ca14a2a6035e077ff22699b0e1c4edbf9597
SHA512 bccebed5ac08c11ca5072373916e4366e5a130948c56cc1fc7c7245ee8da692cbb00945c8047e8cf853dc07716a84c23c3ef2a691e875424f80bc6f2d897a28a
SSDEEP 384:l1yBvwdqvWFpB9mDfDu7bSvOyfBJTyzuDpNMcqJ7TQwe:lcp0uWFpGjDOspnTwyNNqZze
TLSH
T1DB234C4F7A01A8F0C99F0535329E7E1B9FB25E3832E96457DED788882E7418BD425E07
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
3176	mircosk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mircos.dll	jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe
File created	C:\Windows\SysWOW64\mircosk.exe	jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

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
2660	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_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mircosk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 3176	1652	jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe	89
PID 1652 wrote to memory of 2660	1652	jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\mircosk.exe
  C:\Windows\system32\mircosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3176
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2660

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

Accessibility Features

T1546.008

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

Accessibility Features

T1546.008

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_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9.exe.bat
Size 274B
SHA256 4ba5d7066ea0c35ea29917bb83a015d7d028c429d49af3eba3f6c802ada8f619
MD5 494c99c716ef8a7ec269705c7585ffbf
SHA1 7c6bdba1aa1a0016af93aafe7f91b9db2443e63f
SHA512 960cf5f7a8189e4ee968cc29c5bd6714d2c49e52ac819bc644e81f887ef97b722ada4797366c317db44129538aa1cc35bc0c39924571f350a061ede69707dd3b
TLSH
T126D0C25D729F8CB70858ED3F07340389C05346941A8D3F120B12CAAF20D002ABA8EE06
MD5 SHA1 SHA512 TLSH

Submit Download

mircosk.exe

Path C:\Windows\SysWOW64\mircosk.exe
Size 48KB
SHA256 d12889cebfd07df3d5273a023a0433e7fbffd2bc0fc180a9d0053f29042a8de9
MD5 b7bedc057a6df0c95c37b4f3eadd5ecf
SHA1 0823ca14a2a6035e077ff22699b0e1c4edbf9597
SHA512 bccebed5ac08c11ca5072373916e4366e5a130948c56cc1fc7c7245ee8da692cbb00945c8047e8cf853dc07716a84c23c3ef2a691e875424f80bc6f2d897a28a
SSDEEP 384:l1yBvwdqvWFpB9mDfDu7bSvOyfBJTyzuDpNMcqJ7TQwe:lcp0uWFpGjDOspnTwyNNqZze
TLSH
T1DB234C4F7A01A8F0C99F0535329E7E1B9FB25E3832E96457DED788882E7418BD425E07
MD5 SHA1 SHA512 SSDEEP TLSH