Analysis

  • max time kernel
    25s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-06-2021 03:11

General

  • Target

    0d4b187ac597946a403f6870d9984b473566df4c29f9053ccf124dc3e05dc732.dll

  • Size

    174KB

  • MD5

    66306b1e141c06a53ba2b285c8153405

  • SHA1

    4d85fcf2bbe9c2726acbe69335ec3c029725cfd1

  • SHA256

    0d4b187ac597946a403f6870d9984b473566df4c29f9053ccf124dc3e05dc732

  • SHA512

    99793258632d75d9b7999208353a72b6b921a2bc0fbc34f88e9e95432485faedbe2a6526b571f21633b175e22861c41a1596a684e2ecd694a21cc78c09aa8150

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.128.220.64:30333

45.79.91.89:9987

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\0d4b187ac597946a403f6870d9984b473566df4c29f9053ccf124dc3e05dc732.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d4b187ac597946a403f6870d9984b473566df4c29f9053ccf124dc3e05dc732.dll,#1
      2⤵
        PID:1256
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 644
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2208

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1256-114-0x0000000000000000-mapping.dmp
    • memory/1256-115-0x00000000735F0000-0x0000000073620000-memory.dmp
      Filesize

      192KB

    • memory/1256-117-0x0000000000E60000-0x0000000000E66000-memory.dmp
      Filesize

      24KB