Analysis

  • max time kernel
    27s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 12:55

General

  • Target

    d2524a68c0b6302a88d3ae157fba04e4d3b1881cc3a636f8fa323cf90f3a7a1c.dll

  • Size

    162KB

  • MD5

    29431722d8ca241c3e1f03dd9d6a485e

  • SHA1

    fe516fb408d725ad6a4ba4ebc0737fe6c75c875e

  • SHA256

    d2524a68c0b6302a88d3ae157fba04e4d3b1881cc3a636f8fa323cf90f3a7a1c

  • SHA512

    1a56cb0436b118c1b1fdce917ce0c372b34b6ec9c05d41a4ea342af710f9d6bd431158d8b100b7add54c3eeb21833f3754ad534852d2e6ce07ea5f8fa505b3ed

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\d2524a68c0b6302a88d3ae157fba04e4d3b1881cc3a636f8fa323cf90f3a7a1c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2524a68c0b6302a88d3ae157fba04e4d3b1881cc3a636f8fa323cf90f3a7a1c.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4052

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4052-115-0x0000000074260000-0x000000007428E000-memory.dmp

    Filesize

    184KB

  • memory/4052-117-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB