5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794

Analysis

max time kernel
150s
max time network
145s
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, 11:20

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General

Target
jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe
Size 48KB
Sample260924-nfnazsshnd
SHA256 5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794
MD5 7d38af161114a35ac56f0bec0ebe0299
SHA1 c613703ece37681bd7c1ea0b27bfa46902190536
SHA512 598f10449f511c31fdcd1d99a1cace039ebcab281e499a607890b7d30c52e49f1ee46dd1c9589031dc7c365ea803517ba54a1ac44c0acf8ee8b862d7bd5f9ca0
SSDEEP 768:G9WNgghfkWbBRRoJdf0o6mwOCnqyrnN9I8AJ:G9QxTbBRRoJdfb6mwhrnI
TLSH
T1CD2320697530CC72C24E06FC39CD912F29E76DAC2141DA817D5B63BC8D3888E5C6B947
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
4480	mcromok.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mcromo.dll	jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe
File created	C:\Windows\SysWOW64\mcromok.exe	jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe
File opened for modification	C:\Windows\SysWOW64\mcromok.exe	jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.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
2828	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_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mcromok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4480	5104	jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe	88
PID 5104 wrote to memory of 2828	5104	jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe	100

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Windows\SysWOW64\mcromok.exe
  C:\Windows\system32\mcromok.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4480
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2828

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_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794.exe.bat
Size 274B
SHA256 d4cf85a2d67614942dfaeb3e686f8d8d8f104db1e9bc56807e583cd728fe3135
MD5 3bb1ae337f418ad4269bddeb59054a39
SHA1 c1293d52386d7bebad31f08550b8a5be7fafafdf
SHA512 b6f47f608a3923cc960d42b7ef814b4cde59c61d3aee3f3515d816559cb23d5766ff5ff55836d67d06b3e9cd734ce7e1ae2549a403ac183628c922b56d435188
TLSH
T112D02BB2024A87988C05D82F013C310F603125C87ACA3B010E3046EF024213EF6D526D
MD5 SHA1 SHA512 TLSH

Submit Download

mcromok.exe

Path C:\Windows\SysWOW64\mcromok.exe
Size 48KB
SHA256 5d5e51c5c1664a47b43d82f4fb3e914f45156c02dc83b3db28d10645ad8a5794
MD5 7d38af161114a35ac56f0bec0ebe0299
SHA1 c613703ece37681bd7c1ea0b27bfa46902190536
SHA512 598f10449f511c31fdcd1d99a1cace039ebcab281e499a607890b7d30c52e49f1ee46dd1c9589031dc7c365ea803517ba54a1ac44c0acf8ee8b862d7bd5f9ca0
SSDEEP 768:G9WNgghfkWbBRRoJdf0o6mwOCnqyrnN9I8AJ:G9QxTbBRRoJdfb6mwhrnI
TLSH
T1CD2320697530CC72C24E06FC39CD912F29E76DAC2141DA817D5B63BC8D3888E5C6B947
MD5 SHA1 SHA512 SSDEEP TLSH