Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 13:08

General

  • Target

    22cdafaa93390d4fe9b9e1a4d87267a4_JaffaCakes118.dll

  • Size

    664KB

  • MD5

    22cdafaa93390d4fe9b9e1a4d87267a4

  • SHA1

    5a4e352b18bdbe9c94f45417d8796d64442e6413

  • SHA256

    9594577308c87de7eabcf43d26efc638a2047f2e78985e7dde17287317d4cfaf

  • SHA512

    62bac44c033ab6d0263bc3ae55587daf7e7e242885ce5c78bd49a578acd2a3a2004641da603793a07f2443dfc5981c3b6b4ba0f7c3ee8db4824b0eb3237fc9f1

  • SSDEEP

    12288:X/0Qzqf0efi48bM+6TFKywVt6PbEYU0eyJTT/Mu9oV01u7oaEPj:P0zhfkn6TFKywvCbEOxDMu9oy9aEPj

Malware Config

Extracted

Family

dridex

Botnet

10222

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\22cdafaa93390d4fe9b9e1a4d87267a4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\22cdafaa93390d4fe9b9e1a4d87267a4_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:1532
  • 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=4152 --field-trial-handle=3016,i,1323102786462900035,7687994236215859601,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1368

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1532-0-0x0000000000400000-0x000000000053C000-memory.dmp
      Filesize

      1.2MB

    • memory/1532-1-0x0000000000400000-0x000000000053C000-memory.dmp
      Filesize

      1.2MB

    • memory/1532-2-0x0000000000400000-0x000000000053C000-memory.dmp
      Filesize

      1.2MB

    • memory/1532-4-0x0000000001090000-0x0000000001091000-memory.dmp
      Filesize

      4KB

    • memory/1532-5-0x0000000000400000-0x000000000053C000-memory.dmp
      Filesize

      1.2MB

    • memory/1532-6-0x0000000000400000-0x000000000053C000-memory.dmp
      Filesize

      1.2MB

    • memory/1532-8-0x0000000001090000-0x0000000001091000-memory.dmp
      Filesize

      4KB