Analysis

  • max time kernel
    17s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:42

General

  • Target

    18eaa7876abeb4b97615384bd038179966d08f54e298094404bb87fca0bdb623.dll

  • Size

    170KB

  • MD5

    853183cbfdb22e86122e17a96a0a1b13

  • SHA1

    62cd576c75f4e2d0497603df7dbc471f5fdc63c6

  • SHA256

    18eaa7876abeb4b97615384bd038179966d08f54e298094404bb87fca0bdb623

  • SHA512

    b2107f4f2fdd783641064237bf0b15ee2c3f8f479573c96d5ebdd35a44127c7352e6695f99580ee15c42daf39b2169d862dbc8ffaba9eaff157d7d8974ccbb65

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\18eaa7876abeb4b97615384bd038179966d08f54e298094404bb87fca0bdb623.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\18eaa7876abeb4b97615384bd038179966d08f54e298094404bb87fca0bdb623.dll,#1
      2⤵
        PID:3188
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1124

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3188-115-0x00000000739D0000-0x0000000073A00000-memory.dmp

            Filesize

            192KB

          • memory/3188-117-0x00000000009E0000-0x0000000000A03000-memory.dmp

            Filesize

            140KB