Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:04

General

  • Target

    2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.dll

  • Size

    170KB

  • MD5

    240dfd103373194332a747d53ab86af6

  • SHA1

    c4294849abc2a7240bad18ec3e8ebcd9a8325c3f

  • SHA256

    2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295

  • SHA512

    1fca16aef1b5c6cf196ea94f1b00afc13a65b45aa5a90fdf1ff7c541af0fccf6c89e6d8572208c07c7cda25c9502921c541aa18fdcd2d27713f258f5b3479fb3

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\2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ad58a1f0e12542ae554bfb65394cd43d23e06f0b51fa390823058da6c271295.dll,#1
      2⤵
        PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3804

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4052-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

            Filesize

            192KB

          • memory/4052-117-0x0000000002AE0000-0x0000000002C2A000-memory.dmp

            Filesize

            1.3MB