Analysis

  • max time kernel
    17s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:47

General

  • Target

    1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.dll

  • Size

    172KB

  • MD5

    3babd4c4817cff8e32d3f38b4700213d

  • SHA1

    1dee665e62f8cc818b6ff16a541f34edb9e8aef8

  • SHA256

    1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d

  • SHA512

    9f7ca385ac0386a04300fd8ee229f7e7f70252ae4b6f4e09c59c3a89b304ee3e0a2cb778c4d89af2bd48cd60ce75bf6c5bdca9afb5eae68b1e7ed6f369a42e99

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\1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1146244c5a2d45cfc69873a8d57ee11996849d5cfd90a211c0e722bb8103693d.dll,#1
      2⤵
        PID:3120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1956

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3120-115-0x0000000074300000-0x0000000074330000-memory.dmp

            Filesize

            192KB

          • memory/3120-117-0x0000000002750000-0x0000000002773000-memory.dmp

            Filesize

            140KB