mofksys | 47a4c6a61bb0b6824ca796bd302d8a466637fec41e9522b36becfbda14dd4d07

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/10/2026, 15:41

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General

Target
jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe
Size 696KB
Sample261018-s473hsbf36
SHA256 47a4c6a61bb0b6824ca796bd302d8a466637fec41e9522b36becfbda14dd4d07
MD5 346bc049b401b59cda8f8a0e2ef118f4
SHA1 972fc399195ce14ce460ee1f338acd210cd2bc32
SHA512 83a8ea02c4cf2a58875cff08ae2d4681ade5ee15b61286feddb131c1f3de526d99d9f0efb131ddf461b71207f1a9a30ceb328d100d9bca677b7e7e143a258229
SSDEEP 12288:e2Jlu78SsEN1kN7nlDShGVWdsbNYGc2kODI:e2Jlu7NfoN7nlWTdsJYqI
TLSH
T125E49D472F79A0F9F81EE1F07013835E8A3924D9E9186DAC9F3D9C85E5526960F783C2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery mofksys pony rat spyware stealer worm

Malware Config

Extracted

Family

pony

http://pecb.cf/wp-press/css/html/simbian/gate.php

Attributes

payload_url
http://pecb.cf/wp-press/css/html/simbian/shit.exe

Signatures

Family: Mofksys
Mofksys is a worm written in VisualBasic.
worm mofksys
Family: Pony,Fareit
Pony is a Remote Access Trojan application that steals information.
rat spyware stealer pony

Detects Mofksys worm 2 IoCs

resource	yara_rule
behavioral2/memory/2952-4-0x0000000000400000-0x000000000043E000-memory.dmp	family_mofksys
behavioral2/memory/2952-7-0x0000000000400000-0x000000000043E000-memory.dmp	family_mofksys

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3100	2952	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 2 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_Trojan.Win32.VBKrypt.ydii.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89
PID 2536 wrote to memory of 2952	2536	jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.ydii.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 428
    3⤵
    - Program crash
    PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2952 -ip 2952
1⤵
PID:3432

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/2536-0-0x0000000000400000-0x00000000004B3000-memory.dmp

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memory/2536-3-0x00000000022D0000-0x00000000022D7000-memory.dmp

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memory/2536-5-0x00000000022D0000-0x00000000022D7000-memory.dmp

Download

memory/2952-4-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/2952-6-0x0000000000401000-0x0000000000402000-memory.dmp

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memory/2952-7-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads