Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 16:22

General

  • Target

    e218fe0c05e9fa45164f3d67b40496c6.dll

  • Size

    188KB

  • MD5

    e218fe0c05e9fa45164f3d67b40496c6

  • SHA1

    f4e53a312f660fdc8f26d1e92aa365bceedfaa60

  • SHA256

    baed8da594986eef6cedfd5aad74df1696659f298633fc339bff10bab6b6fd1d

  • SHA512

    f48fc9eca0bb2c7bb270df9827b7ecfbf932fafa1825475f05707493ca5f8504500c8cb6dcf0cd04120b748a3355c372a0f4b2721ce6ff3e3bbdc604e4e43864

  • SSDEEP

    3072:iH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWs7dU:iUua/Pv7YNhRIEZDeXVpAxtMsxK

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e218fe0c05e9fa45164f3d67b40496c6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e218fe0c05e9fa45164f3d67b40496c6.dll,#1
      2⤵
        PID:2772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 696
          3⤵
          • Program crash
          PID:1916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2772 -ip 2772
      1⤵
        PID:1412

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2772-0-0x0000000074FF0000-0x0000000075020000-memory.dmp
        Filesize

        192KB

      • memory/2772-1-0x0000000000BD0000-0x0000000000BD6000-memory.dmp
        Filesize

        24KB

      • memory/2772-2-0x0000000074FF0000-0x0000000075020000-memory.dmp
        Filesize

        192KB