Analysis

  • max time kernel
    17s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    10-06-2021 23:55

General

  • Target

    d5818b728537d6025b20c1905c4647f68db969cf841ad488b4bcd2f93b019a9b.dll

  • Size

    174KB

  • MD5

    09ca51df6a9907ed75bf0a7868125b00

  • SHA1

    70fc3a71a998efa9163e0adf8fc26e63673ac4d1

  • SHA256

    d5818b728537d6025b20c1905c4647f68db969cf841ad488b4bcd2f93b019a9b

  • SHA512

    3ca53ef8ce4194969c617883a1e509215bae8f5073c7a9ffc9f48e6d072f19d6e99821ee3141fd560ae4c7d8616d4bfce97611b16212d73ea82e4ef5bf148fcd

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\d5818b728537d6025b20c1905c4647f68db969cf841ad488b4bcd2f93b019a9b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5818b728537d6025b20c1905c4647f68db969cf841ad488b4bcd2f93b019a9b.dll,#1
      2⤵
        PID:3168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 652
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3948

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3168-114-0x0000000000000000-mapping.dmp

    • memory/3168-115-0x00000000736D0000-0x0000000073700000-memory.dmp

      Filesize

      192KB

    • memory/3168-117-0x0000000000D50000-0x0000000000D56000-memory.dmp

      Filesize

      24KB