Analysis

  • max time kernel
    141s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 03:35

General

  • Target

    2ad88b77551488cce9e7b33a6f6af6bc_JaffaCakes118.dll

  • Size

    920KB

  • MD5

    2ad88b77551488cce9e7b33a6f6af6bc

  • SHA1

    3ffe54dd18132fb8fae311c5c6d7ce0250ff5cef

  • SHA256

    b6bd8479ef5943eaf26efdcda11ab09bf0569ad2295ba905fc0901511ca7c286

  • SHA512

    5500d544187da7d097f91297d9c86350aca2a36ec82ff6652b1fb95ae7e89e1862c27545c86ec41166237ee9abd66374c5bd4a39a5a0ef16340d004dda45d982

  • SSDEEP

    24576:ftWfnaVoffEQmyO378WTkvEKT9Hgce1BHbonCm:luaq34yDWTkvvT9HgdbonC

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

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\2ad88b77551488cce9e7b33a6f6af6bc_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ad88b77551488cce9e7b33a6f6af6bc_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:4928
  • 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 --field-trial-handle=3856,i,4226873509039249198,15952596839998010243,262144 --variations-seed-version --mojo-platform-channel-handle=4584 /prefetch:8
    1⤵
      PID:404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4928-1-0x00000000753C0000-0x0000000075501000-memory.dmp

      Filesize

      1.3MB

    • memory/4928-2-0x00000000754A5000-0x00000000754A9000-memory.dmp

      Filesize

      16KB

    • memory/4928-3-0x00000000753C0000-0x0000000075501000-memory.dmp

      Filesize

      1.3MB

    • memory/4928-4-0x00000000753C0000-0x0000000075501000-memory.dmp

      Filesize

      1.3MB