73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:35

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General

Target
jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
Size 156KB
Sample260925-w8kdssxtd1
SHA256 73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218
MD5 830dcceb17ad220ca087d17fcab22ccd
SHA1 4e81f45eb530f9537f37c7fce028156f48c846b5
SHA512 4928c8ba0c8adbfcf266c9f28c7c1c40ff717c3307bcdb8a013755f408fbf37c2807216ad5f74aa0b10cd8640d61d776bd2414a56fa833966960dd56031216ca
SSDEEP 3072:j3RNMXv673faRo3je6taUFm2NEAQRXJQEbNqTk:7RoC7desa+mqQR5QQNW
TLSH
T1F6F3C352128C85FAC2F11830F356363255A9E0735EEA259EBEB2DC94F5BBC1350EE349
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery vmprotect

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x001200000001c460-9.dat	vmprotect

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zyfuck4.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File created	C:\Windows\SysWOW64\wpirxxgsd.dll	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File created	C:\Windows\SysWOW64\zyfuck1.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck3.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck4.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File created	C:\Windows\SysWOW64\zyfuck.cfg	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck1.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck2.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File created	C:\Windows\SysWOW64\zyfuck2.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
File created	C:\Windows\SysWOW64\zyfuck3.dat	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe

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_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
824	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2140	2156	jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_73746e0cef9bfdb883657f9354dbf815b70f586c848a10f172c2262d42d76218.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2140

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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

wpirxxgsd.dll

Path C:\Windows\SysWOW64\wpirxxgsd.dll
Size 64KB
SHA256 767f6b3c483143ec1ad8784876205234cf886cf8a8a36de7816267f5cee32cc0
MD5 08e2e64e40b296aa251c39fab1ff17b2
SHA1 85906fc87d974af520f65a18dfbf8a619c72bca6
SHA512 c805c99f512c24e3eee2676b03fee7ce956c2ee581c9304a56af62490872f67a27d48a56ba8f8ff01e22db76ee59f491a228373d276c1034ff5a43110b98634b
SSDEEP 1536:1y5RNMXv673LyB8aRo3dFITZgY6t5NqU3+/UHGc5NE:cRNMXv673faRo3je6taUFm2NE
TLSH
T154533A12A18455F3E7752930B4C73B79AEAFA43525C42A962F73EE7C58A7423B43C306
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2156-11-0x0000000010000000-0x0000000010012000-memory.dmp

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