Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 09:07

General

  • Target

    66be9eba2ddc2c513b9860c9a491e8c4_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    66be9eba2ddc2c513b9860c9a491e8c4

  • SHA1

    8a59570fbf2441cfbcced45a0459bd30d445b1a8

  • SHA256

    14d8a0f62cf7a5ab97225126450f1dc77b7df0254d7c61ee1f97273168766c94

  • SHA512

    868066fea05d79b639bb2e7dc6e363e72a1adddd6102599c2f833e8b3be232315dd3b82dce74330e8b80881bf6d2624f710f0332af724778881b9c2454433937

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E47:0+h9OY70z+warul3E47

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66be9eba2ddc2c513b9860c9a491e8c4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\66be9eba2ddc2c513b9860c9a491e8c4_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\n4908\s4908.exe
      "C:\Users\Admin\AppData\Local\Temp\n4908\s4908.exe" e4e5b6109a87a3a7938158755kcqeSUoLIwvEzvc4gXFaASzAVvA4aKuNSwTNyEGaol1niJupeanIU5wIWP0YJC2yzefJVNmiC21ZYxaLFciS13HV7GSDLWMXU1MLGx0N6oz1Mtbfs1oXnP93nYijI3vd0s889XF7pJo2KmLG2+HcE/I /v "C:\Users\Admin\AppData\Local\Temp\66be9eba2ddc2c513b9860c9a491e8c4_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4908\s4908.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1420-12-0x00007FF841935000-0x00007FF841936000-memory.dmp

    Filesize

    4KB

  • memory/1420-13-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-29-0x000000001BC00000-0x000000001BC12000-memory.dmp

    Filesize

    72KB

  • memory/1420-32-0x000000001C750000-0x000000001CC1E000-memory.dmp

    Filesize

    4.8MB

  • memory/1420-33-0x000000001CC20000-0x000000001CCBC000-memory.dmp

    Filesize

    624KB

  • memory/1420-34-0x000000001CDA0000-0x000000001CE02000-memory.dmp

    Filesize

    392KB

  • memory/1420-35-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-36-0x000000001CD70000-0x000000001CD78000-memory.dmp

    Filesize

    32KB

  • memory/1420-37-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-38-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-39-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-40-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB

  • memory/1420-41-0x0000000020710000-0x0000000020C1E000-memory.dmp

    Filesize

    5.1MB

  • memory/1420-42-0x0000000020D60000-0x0000000020E9C000-memory.dmp

    Filesize

    1.2MB

  • memory/1420-44-0x00007FF841680000-0x00007FF842021000-memory.dmp

    Filesize

    9.6MB