Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2024 19:15

General

  • Target

    5bbf2d831f817a323f6bbf416b1e4632_JaffaCakes118.dll

  • Size

    608KB

  • MD5

    5bbf2d831f817a323f6bbf416b1e4632

  • SHA1

    908e424daffbbde151d05c8cf7e2d68e354f9601

  • SHA256

    69c72415fa806454ce8a3f29ca16292789c3f7ea7b68fe0610e08979119a43be

  • SHA512

    a89ac0442f68be0c864d609c6c177399fef9f43caf62075af0610923cb7c0b79a22e88a3104211c24f7e428f197986ebf517b6db49d6723e4410e04eb1e73c6b

  • SSDEEP

    12288:RZGQdqOGBaJqydLqQSeCqsVK8kPRGO35N9mVuzXc6:RZ0kWjeCVVK8kP9N9o6

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Blocklisted process makes network request 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bbf2d831f817a323f6bbf416b1e4632_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bbf2d831f817a323f6bbf416b1e4632_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:1396
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=776 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1396-0-0x0000000000400000-0x0000000000534000-memory.dmp

      Filesize

      1.2MB

    • memory/1396-2-0x0000000000400000-0x0000000000534000-memory.dmp

      Filesize

      1.2MB

    • memory/1396-4-0x0000000000F70000-0x0000000000F71000-memory.dmp

      Filesize

      4KB

    • memory/1396-5-0x0000000000400000-0x0000000000534000-memory.dmp

      Filesize

      1.2MB

    • memory/1396-7-0x0000000000F70000-0x0000000000F71000-memory.dmp

      Filesize

      4KB