Analysis

  • max time kernel
    34s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:23

General

  • Target

    5d243edc8c83f4ba882f82474ec349b9057be3b3bfc97b1a8c87f96c6fbcb7bb.dll

  • Size

    170KB

  • MD5

    664654e23b0df0932536b3c6c7500f30

  • SHA1

    5fde8833fcc8e42a77539bb7aa69a1b1bd1e9530

  • SHA256

    5d243edc8c83f4ba882f82474ec349b9057be3b3bfc97b1a8c87f96c6fbcb7bb

  • SHA512

    0bfa444bc0921b6da38f9833f24bea893a6020298159e3f953145ce17f7202bdcf5d6c673722fee24cbff09b960f7e0d09052858ed1b2cf0a99a43dd6fd1b991

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\5d243edc8c83f4ba882f82474ec349b9057be3b3bfc97b1a8c87f96c6fbcb7bb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d243edc8c83f4ba882f82474ec349b9057be3b3bfc97b1a8c87f96c6fbcb7bb.dll,#1
      2⤵
        PID:3968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3540

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3968-115-0x0000000073990000-0x00000000739C0000-memory.dmp

            Filesize

            192KB

          • memory/3968-117-0x00000000049E0000-0x00000000049E6000-memory.dmp

            Filesize

            24KB