Analysis

  • max time kernel
    19s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:18

General

  • Target

    7218ffe333c5bc8026c0f6fa8b98821d8d26d8dd322c95359556d1b70aa21e27.dll

  • Size

    170KB

  • MD5

    3a6df949e5d7d9e43982ef494d8bf850

  • SHA1

    df3eaafa40b45014fd28eef73ff66a993151a9ed

  • SHA256

    7218ffe333c5bc8026c0f6fa8b98821d8d26d8dd322c95359556d1b70aa21e27

  • SHA512

    3e5b077677fddce52bfcf4204d32e40866ca74430a78396071212add797a1b9ecd3d189dff55dbc7b38e497835aa7b9a25af4f33035be3aeca84051b959cd7a5

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\7218ffe333c5bc8026c0f6fa8b98821d8d26d8dd322c95359556d1b70aa21e27.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7218ffe333c5bc8026c0f6fa8b98821d8d26d8dd322c95359556d1b70aa21e27.dll,#1
      2⤵
        PID:3224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 688
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1520

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3224-115-0x0000000073660000-0x0000000073690000-memory.dmp

            Filesize

            192KB

          • memory/3224-117-0x0000000000930000-0x0000000000936000-memory.dmp

            Filesize

            24KB