Analysis

  • max time kernel
    18s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 08:38

General

  • Target

    604c0efe7880e89c4d65bc98a919cf8033cf2252c718ee3993c788599b3c1c8b.dll

  • Size

    158KB

  • MD5

    0fa9240337e64a7847397e54eee02d14

  • SHA1

    3f28cb8c2c8b738c06707d06f0787afb3d816c26

  • SHA256

    604c0efe7880e89c4d65bc98a919cf8033cf2252c718ee3993c788599b3c1c8b

  • SHA512

    4c1556487cc385fa12ec82abe2c3913dda6b071644926f0fb28b1049368ab81ac4bb44f980d3483be009b0e317163f7ce3e7bf8936c14d60d7a8f06b5dacadfb

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\604c0efe7880e89c4d65bc98a919cf8033cf2252c718ee3993c788599b3c1c8b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\604c0efe7880e89c4d65bc98a919cf8033cf2252c718ee3993c788599b3c1c8b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4068-114-0x0000000000000000-mapping.dmp

  • memory/4068-115-0x00000000755E0000-0x000000007560D000-memory.dmp

    Filesize

    180KB

  • memory/4068-117-0x00000000007E0000-0x00000000007E6000-memory.dmp

    Filesize

    24KB