Analysis

  • max time kernel
    61s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29/03/2021, 13:41

General

  • Target
    g38ufhf.zip.dll
  • Size 360KB
  • Sample210329-rhmlgxpvss
  • SHA256 1e553da2063c5773de05bd541cf8a3ec1bdd8d7153003b18b53f2a45c61df6c5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 10444

C2
  • 210.65.244.176:443

  • 37.34.58.210:6601

  • 77.220.64.141:5037

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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\g38ufhf.zip.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\g38ufhf.zip.dll
      2⤵
        PID:640

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/640-3-0x00000000737D0000-0x000000007380D000-memory.dmp

          memory/640-4-0x00000000737D0000-0x000000007380D000-memory.dmp

          memory/640-5-0x00000000002B0000-0x00000000002B1000-memory.dmp