Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 09:33

General

  • Target

    22bc5e57055b2f119391570dcfd89471b639b1c45c1b2fa4b6601716f28e3972.dll

  • Size

    162KB

  • MD5

    aba9a08bb1586033a229819d5680d482

  • SHA1

    ceff208160f3c21bce97ff17dad6b9ab328a9651

  • SHA256

    22bc5e57055b2f119391570dcfd89471b639b1c45c1b2fa4b6601716f28e3972

  • SHA512

    485b522c374eb25e43a65987914ff8e32541add3c48a6053907b5bc6425b5a60dcaa9f53ddc6b8fa7ea200ac449cbc6e40648e4cd93e5b91495c0c8495062053

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\22bc5e57055b2f119391570dcfd89471b639b1c45c1b2fa4b6601716f28e3972.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\22bc5e57055b2f119391570dcfd89471b639b1c45c1b2fa4b6601716f28e3972.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3892-114-0x0000000000000000-mapping.dmp

  • memory/3892-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

    Filesize

    184KB

  • memory/3892-117-0x0000000003350000-0x0000000003356000-memory.dmp

    Filesize

    24KB