Analysis

  • max time kernel
    144s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 19:35

General

  • Target

    37e550e833ef4681b290ed330a62dea1.dll

  • Size

    188KB

  • MD5

    37e550e833ef4681b290ed330a62dea1

  • SHA1

    58f3a3693bdddaf78da99175c655c76be2b7c1dc

  • SHA256

    a5be075d6f86ee564bb4ce0e2c232df887dfa7f7e6b682feca17657283436622

  • SHA512

    2b69ec5a7980437a2f400852bee95bc4e8e82abd52b3d91978cbb0d8650f432cdc5c64ac7dc675f36b32ab0c45ca81a258dbdc46d4a816e41a271a31cd0c188a

  • SSDEEP

    3072:vA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:vzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 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\37e550e833ef4681b290ed330a62dea1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\37e550e833ef4681b290ed330a62dea1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 308
        3⤵
        • Program crash
        PID:2796

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2856-0-0x0000000074D90000-0x0000000074DC0000-memory.dmp

    Filesize

    192KB

  • memory/2856-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB