Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 05:56

General

  • Target

    48d7a4036a781d23b5dc8d0213056f9ffe346631841fc2743aa4353156fbadc2.dll

  • Size

    162KB

  • MD5

    bc917fd27b95a595dc5eae613cdd8e2b

  • SHA1

    1f3ebc1f341d78583fb3b4e0f8f6aeddbce5f67d

  • SHA256

    48d7a4036a781d23b5dc8d0213056f9ffe346631841fc2743aa4353156fbadc2

  • SHA512

    e2725bf25a455d3a34163ee0c771af10b5e0ac78b458d64e3fb8c31513fecdcf8859b2c328a03a67fe9b56dc0bc46ef19216cbc6d8ab716e45007d9ccece7bab

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\48d7a4036a781d23b5dc8d0213056f9ffe346631841fc2743aa4353156fbadc2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\48d7a4036a781d23b5dc8d0213056f9ffe346631841fc2743aa4353156fbadc2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/352-114-0x0000000000000000-mapping.dmp

  • memory/352-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

    Filesize

    184KB

  • memory/352-117-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB