5fb611fa9df2068efaf3a7ac39085455a2e308a3f80360f847ce76a2e403c0ac

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 10:46

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General

Target
jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe
Size 485KB
Sample261014-mt8cmsbx8v
SHA256 5fb611fa9df2068efaf3a7ac39085455a2e308a3f80360f847ce76a2e403c0ac
MD5 0561cd9dda6dedcc9e6da843ac4638fa
SHA1 dcad647a957c6035556f94948f203cda09698c27
SHA512 6f8da3a5952b4b9275c571911a9666b62b4d9d3a767a537e8e9270d71038b313935c7e030479fcda1e96b78fa0805b87a8a4b3f7f34049f43dfccf47bcbbc7a3
SSDEEP 12288:eHcaqfk439IqLJd4ymAe/8dASYRa7GvX3cXvz/Ac:qcZfp39IqLJ0AjGPcXF
TLSH
T154B41201F784D077D8648A300DFAB174A238FC33BDA4A65E2B51759D2DB4691AC36F2E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000\Control Panel\International\Geo\Nation	jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe

Executes dropped EXE 2 IoCs

pid	Process
4260	juy.exe
2660	juy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4260 set thread context of 2660	4260	juy.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	juy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juy.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2660	juy.exe
2660	juy.exe
2660	juy.exe
2660	juy.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4260	juy.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 4260	4820	jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe	87
PID 4260 wrote to memory of 2660	4260	juy.exe	89
PID 4260 wrote to memory of 2660	4260	juy.exe	89
PID 4260 wrote to memory of 2660	4260	juy.exe	89
PID 4260 wrote to memory of 2660	4260	juy.exe	89
PID 2660 wrote to memory of 3372	2660	juy.exe	56
PID 2660 wrote to memory of 3372	2660	juy.exe	56
PID 2660 wrote to memory of 3372	2660	juy.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3372
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKrypt.wojo.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Users\Admin\AppData\Local\Temp\juy.exe
    "C:\Users\Admin\AppData\Local\Temp\juy.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - C:\Users\Admin\AppData\Local\Temp\juy.exe
      "C:\Users\Admin\AppData\Local\Temp\juy.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2660

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

juy.exe

Path C:\Users\Admin\AppData\Local\Temp\juy.exe
Size 442KB
SHA256 feed131f589b9928fd22b6af0ea30fcedb2d3bb538e49c38146c448fb839b701
MD5 ed1262bc773a7739bebc6255756657c8
SHA1 c18bc947d21c8ff28e5048b3cdba27a63dd16d66
SHA512 b7998d007ae86c96aecab31d6e6f01fcbc9c13b27cf5ada8bfe7a1033b196561c06073651988399415a6fc4fe27f170446d872e19ed41f20ad22e528a2240175
SSDEEP 12288:q37qcaqfWU39IEfJd4akAeZ8dAGYRa7GvXIu0/i:KZf539IEfJgABGwO
TLSH
T16AA42360F244703EF2E9AA707F62D2B0617DBC63A4D41B4F9915F1E80BB69B06939734
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2660-21-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/2660-22-0x0000000000400000-0x0000000000408960-memory.dmp

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memory/2660-18-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/3372-25-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

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memory/3372-26-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

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memory/4260-12-0x0000000000400000-0x0000000000550000-memory.dmp

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memory/4260-13-0x0000000000400000-0x0000000000550000-memory.dmp

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memory/4260-15-0x0000000000401000-0x0000000000527000-memory.dmp

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memory/4260-24-0x0000000000400000-0x0000000000550000-memory.dmp

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memory/4820-14-0x0000000000400000-0x0000000000426000-memory.dmp

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