Analysis

  • max time kernel
    19s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 07:48

General

  • Target

    8024ceaa5b044c75889bf625eb08b0d164505343c760758014a60d427c75d9b3.dll

  • Size

    162KB

  • MD5

    98cb5deaa0abe23f0b82ddcfccf5d57b

  • SHA1

    cd9cb88e888b9c69382c79a97d5f3266d523b042

  • SHA256

    8024ceaa5b044c75889bf625eb08b0d164505343c760758014a60d427c75d9b3

  • SHA512

    b70b6a62461b1d23e6570f1f6634f07d8ce0be2e8c98fc85ce5061f144df8d4f71126d745fea5edcdb21bfef0d63ffe8c55dd561d9857e3e390b57c9e9e2380a

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\8024ceaa5b044c75889bf625eb08b0d164505343c760758014a60d427c75d9b3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8024ceaa5b044c75889bf625eb08b0d164505343c760758014a60d427c75d9b3.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3972-115-0x00000000742B0000-0x00000000742DE000-memory.dmp

    Filesize

    184KB

  • memory/3972-117-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

    Filesize

    24KB