Analysis

  • max time kernel
    25s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-06-2021 23:02

General

  • Target

    c6d1e8b7ff95852fe139e74fd6f1b31282d5e97e491fb3a1778cb9df86d8cbc8.dll

  • Size

    170KB

  • MD5

    30288419cdecc7f0691793e795909c3d

  • SHA1

    beca726eb6d7caa44034caecafe949712d04084e

  • SHA256

    c6d1e8b7ff95852fe139e74fd6f1b31282d5e97e491fb3a1778cb9df86d8cbc8

  • SHA512

    1aea4811ad7e50eeff1d5025a420131a78ef720c83b8443f9482312c7881257ec010b19d1381e62b478e092d1ba695817b2292e5d8f3150a8653c1d95a2a65b9

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6d1e8b7ff95852fe139e74fd6f1b31282d5e97e491fb3a1778cb9df86d8cbc8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6d1e8b7ff95852fe139e74fd6f1b31282d5e97e491fb3a1778cb9df86d8cbc8.dll,#1
      2⤵
        PID:1136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1464

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1136-114-0x0000000000000000-mapping.dmp

    • memory/1136-115-0x0000000074160000-0x0000000074190000-memory.dmp

      Filesize

      192KB

    • memory/1136-117-0x0000000002DD0000-0x0000000002DF3000-memory.dmp

      Filesize

      140KB