781f81b657c710ab53eb61e846a6d1995c9e453816fb0690331fe91c6ed8bd8b

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/10/2026, 23:56

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General

Target
jaffacakes118_Trojan.Win32.Agent.vbok.dll
Size 426KB
Sample261015-3za74atwhy
SHA256 781f81b657c710ab53eb61e846a6d1995c9e453816fb0690331fe91c6ed8bd8b
MD5 f6dcd66462276bcb6a1d396beaacdb12
SHA1 20342cc8b40b9232a5c54d6d5dc03a6fb45349c4
SHA512 155e6ab9a6184655d7d815f8705d8d3fef5a3c074f4864bac49ec8047989f8ceadb9fe508cddfda8266cf74395f6fa57b5b2ba11723120d6db6b3cf134ffefc5
SSDEEP 6144:81pT9UYkzlHX/cXfhq/dwzHm/GwQeeaQeeA3QeesQeeABQeehQee5EhjkV1VGoMs:cpT9UY6NvcXfhkdlYhj+LjBrQ736
TLSH
T122947E51EA654422C0FD673E054B537972BAAE018ED2C38B5DA8363F3E736D847216CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4848-0-0x0000000075680000-0x00000000756F3000-memory.dmp	vmprotect
behavioral2/memory/4848-1-0x0000000075680000-0x00000000756F3000-memory.dmp	vmprotect

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5460 wrote to memory of 4848	5460	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.vbok.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.vbok.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4848

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

Replay Monitor

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Downloads

memory/4848-0-0x0000000075680000-0x00000000756F3000-memory.dmp

Download

memory/4848-1-0x0000000075680000-0x00000000756F3000-memory.dmp