Analysis

  • max time kernel
    27s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:36

General

  • Target

    a006e4c93bbd388a4ca2bbacdb8d9858518a6ee9396e6fdee2e093c7748ad963.dll

  • Size

    172KB

  • MD5

    f266e1b0c44808cb6542f676315bfe97

  • SHA1

    d55e927340b1f03adf3029838b122b9a0408ca86

  • SHA256

    a006e4c93bbd388a4ca2bbacdb8d9858518a6ee9396e6fdee2e093c7748ad963

  • SHA512

    5152d941cf4600f547a2411f1fb4300b1756a1372531823a07e98776c79093563da447f7a38008a38b9a46a625c642a368c86b945653da89aaec555f9fffd734

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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\a006e4c93bbd388a4ca2bbacdb8d9858518a6ee9396e6fdee2e093c7748ad963.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a006e4c93bbd388a4ca2bbacdb8d9858518a6ee9396e6fdee2e093c7748ad963.dll,#1
      2⤵
        PID:848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3640

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/848-115-0x00000000742C0000-0x00000000742F0000-memory.dmp

            Filesize

            192KB

          • memory/848-117-0x00000000032F0000-0x00000000032F6000-memory.dmp

            Filesize

            24KB