Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 18:23

General

  • Target

    b2cd2c22221755b113a114ef98e73658.dll

  • Size

    188KB

  • MD5

    b2cd2c22221755b113a114ef98e73658

  • SHA1

    eeaaa202b63f6867b08f6d1e4b21920d9d2652da

  • SHA256

    0ddede617411a1d3d90d09c58e04f39863d87940bf89faf5cdf387aa84982d7b

  • SHA512

    b6ce69d2667dc4895911ecb986bd3030b488f3999f3fbfd4b3796101c8cdb2bc277d169133a2812535c5e7244a0a3dbcb1d8cc37b46c28ca2fede0fbbe3e688d

  • SSDEEP

    3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo/o:SzIqATVfQeV2FZalKq6jtGJWuTmd

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\b2cd2c22221755b113a114ef98e73658.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2cd2c22221755b113a114ef98e73658.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 308
        3⤵
        • Program crash
        PID:2012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2980-0-0x00000000753B0000-0x00000000753E0000-memory.dmp

    Filesize

    192KB

  • memory/2980-1-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB