Analysis

  • max time kernel
    37s
  • max time network
    48s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 18:07

General

  • Target

    c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll

  • Size

    154KB

  • MD5

    0d0c637ac3309fcee6e50d35fc1a36ac

  • SHA1

    8cd1d00614ed7c07f3332a92d69328861a085235

  • SHA256

    c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36

  • SHA512

    33ddc596341dd249211a4a44c1d77fc0e4c05523322a185407768fe996fd091426e42f5300348057deacde281da98f452b6fac82c0f82e19b7ec32b3c9c79e9f

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3008-114-0x0000000000000000-mapping.dmp

  • memory/3008-115-0x0000000073530000-0x000000007355D000-memory.dmp

    Filesize

    180KB

  • memory/3008-117-0x0000000002A40000-0x0000000002A46000-memory.dmp

    Filesize

    24KB