Analysis

  • max time kernel
    17s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    10-06-2021 22:50

General

  • Target

    6e55ab79e0a14740041f56c7db73e134944440c38406c38fd5fd0c9800972a54.dll

  • Size

    163KB

  • MD5

    df73b66b18f35ff68a262275a2f6e6d8

  • SHA1

    613aae3c1a7beb2f00da74c3c6495df2c8b54355

  • SHA256

    6e55ab79e0a14740041f56c7db73e134944440c38406c38fd5fd0c9800972a54

  • SHA512

    a704f237f454860772b69b504d315fa0bb2ac83a9d79f4e01f1b05393ac45ed59dbfbffb0df109d84650e8052ebaf7f305539e8dcb54471ed2918aef77ac6a5d

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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\6e55ab79e0a14740041f56c7db73e134944440c38406c38fd5fd0c9800972a54.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e55ab79e0a14740041f56c7db73e134944440c38406c38fd5fd0c9800972a54.dll,#1
      2⤵
        PID:1884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 712
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3644

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1884-114-0x0000000000000000-mapping.dmp

    • memory/1884-115-0x0000000010000000-0x000000001002E000-memory.dmp

      Filesize

      184KB

    • memory/1884-117-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB