Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 02:18

General

  • Target

    b013ab90ee5a6497548044065ce6357d.dll

  • Size

    188KB

  • MD5

    b013ab90ee5a6497548044065ce6357d

  • SHA1

    bfd8fb8f307e48bc37e5765fbb944d8c947f731a

  • SHA256

    bc3ae0b6d5f1eabe5e3a631830562af26ea4f60cb6f0d12fc8f2b50a33d709ac

  • SHA512

    6b5712a9586742501c7541ca779414e76d9ea6e7e403116d7ce3c5eece3b01e42c07d62f0a0f5b1f8ec8e9fa76905900154588c770864923ba4046f0b9d805a8

  • SSDEEP

    3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoTo:zzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b013ab90ee5a6497548044065ce6357d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b013ab90ee5a6497548044065ce6357d.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 300
        3⤵
        • Program crash
        PID:2588

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2288-0-0x0000000074570000-0x00000000745A0000-memory.dmp

    Filesize

    192KB

  • memory/2288-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2288-2-0x0000000074570000-0x00000000745A0000-memory.dmp

    Filesize

    192KB