Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 21:04

General

  • Target

    7dffb4d62fbc51e0908bd909733ec293.dll

  • Size

    174KB

  • MD5

    7dffb4d62fbc51e0908bd909733ec293

  • SHA1

    fecfcac87bb791163ed48f7882263bd8a6654dc8

  • SHA256

    36330ee3c38ae53b19a77429e8b13c005735c93b764c0c195ee8fa5da8668017

  • SHA512

    bc8d2aa03a4664ed94c704ec61f62c3a1f3cc019dccbd38b51ea101401916b8d45542704bfea49f8fb798b861421a07949c1afe69218508920d6204702128c0c

  • SSDEEP

    3072:ZolIRLWS5rOfQ326KRrXV2h2+lMNnTZuFw7Qz+Bf1QmeQmuv5K0N+VbU:+lIRLW1m27rXVs2+SNnTZrUz+B9vpvXN

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

46.55.222.10:443

104.248.178.90:4664

173.212.243.155:7002

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dffb4d62fbc51e0908bd909733ec293.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dffb4d62fbc51e0908bd909733ec293.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 224
        3⤵
        • Program crash
        PID:1640

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2320-0-0x0000000075300000-0x0000000075330000-memory.dmp

    Filesize

    192KB

  • memory/2320-1-0x0000000000160000-0x0000000000166000-memory.dmp

    Filesize

    24KB

  • memory/2320-2-0x0000000075300000-0x0000000075330000-memory.dmp

    Filesize

    192KB