Analysis

  • max time kernel
    23s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-06-2021 03:11

General

  • Target

    9fa06baf2855be823f528845437489c8ac4939ffa3ed05f1e9a584f5c567efb6.dll

  • Size

    174KB

  • MD5

    18c6eb627071649fad3d0805d5579ba3

  • SHA1

    2dca277dd385d81c2c8f5a9d2b10116f22e73174

  • SHA256

    9fa06baf2855be823f528845437489c8ac4939ffa3ed05f1e9a584f5c567efb6

  • SHA512

    b2a79d88ea8c0b7e8c580666c6ae03b6cb0a5d39d964160a7144aa31d786690dd54619a50d3fb4169de45271372beb30d63bdcc24b27ac8f131c5932a5c7d73f

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\9fa06baf2855be823f528845437489c8ac4939ffa3ed05f1e9a584f5c567efb6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fa06baf2855be823f528845437489c8ac4939ffa3ed05f1e9a584f5c567efb6.dll,#1
      2⤵
        PID:1500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -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/1500-114-0x0000000000000000-mapping.dmp
    • memory/1500-115-0x0000000074310000-0x0000000074340000-memory.dmp
      Filesize

      192KB

    • memory/1500-117-0x0000000002FD0000-0x0000000002FD6000-memory.dmp
      Filesize

      24KB