Analysis

  • max time kernel
    124s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 20:39

General

  • Target

    b05ff3ad0ecb9a0f61069c6fb3d25c65.dll

  • Size

    188KB

  • MD5

    b05ff3ad0ecb9a0f61069c6fb3d25c65

  • SHA1

    2b04c646c3c05325f4c84757f56718ecb9a83766

  • SHA256

    b56f853a1d4835dca32d50e7ea5893d34947e945d022cc820e198f49caac7aa9

  • SHA512

    202823c99a9a57a8fa1da1fd40aa988fb5f5a2abdf7e8f70c6543a06a1f83f54c034e941f55972e5b350583f8c0e2ee3f450d82033ba41a175ede65cd9fa0d1b

  • SSDEEP

    3072:gH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViW57dU:gUua/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 1 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\b05ff3ad0ecb9a0f61069c6fb3d25c65.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b05ff3ad0ecb9a0f61069c6fb3d25c65.dll,#1
      2⤵
        PID:3796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 692
          3⤵
          • Program crash
          PID:1324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3796 -ip 3796
      1⤵
        PID:1812

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3796-0-0x00000000756D0000-0x0000000075700000-memory.dmp

        Filesize

        192KB

      • memory/3796-1-0x0000000002780000-0x0000000002786000-memory.dmp

        Filesize

        24KB