Analysis

  • max time kernel
    18s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 10:38

General

  • Target

    65b8090adc789f0bcfa4f91e00bafaa4a31dc7fd7588739afb320489a685164e.dll

  • Size

    162KB

  • MD5

    a957bf63c7eb56762679cdcfb106d0d7

  • SHA1

    64b42a5433e16f0ac8153870595e969da59c2a7b

  • SHA256

    65b8090adc789f0bcfa4f91e00bafaa4a31dc7fd7588739afb320489a685164e

  • SHA512

    5b932fb04e3da7cef2dfa6d93880d403de6c5bb05c176fb56bd26079e4691b40d1d776a39f5f117718c10b9015f448881e9e47a3723686d21dbe28af3bcd45c1

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • 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\65b8090adc789f0bcfa4f91e00bafaa4a31dc7fd7588739afb320489a685164e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\65b8090adc789f0bcfa4f91e00bafaa4a31dc7fd7588739afb320489a685164e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3016-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

    Filesize

    184KB

  • memory/3016-117-0x0000000003180000-0x0000000003186000-memory.dmp

    Filesize

    24KB