Analysis

  • max time kernel
    20s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 23:25

General

  • Target

    40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll

  • Size

    160KB

  • MD5

    2227147d5649a3336f8b87d2527583e9

  • SHA1

    3a64aca5be508536298eb8a92b24caad7a5ba6aa

  • SHA256

    40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb

  • SHA512

    1d584bd296ffd78fa5e59a76005af5dcc3e94401d94f2afcb0ec0d8864f9530d6c229bc70dfa2523171ef107c01204cc2443d040b5e558395743da91fb8531d6

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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\40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\40a1b18b90e9a541923bb425e0d94ed68a568d64c9ddc7c3de490afec543fffb.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3220-114-0x0000000000000000-mapping.dmp

  • memory/3220-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

    Filesize

    184KB

  • memory/3220-117-0x0000000001000000-0x00000000010AE000-memory.dmp

    Filesize

    696KB