Analysis

  • max time kernel
    90s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 12:35

General

  • Target

    3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll

  • Size

    184KB

  • MD5

    81e4d7bfd581bc851c8bb4c151f3ff10

  • SHA1

    5340625b2f50825b5596ffc7986091800491012a

  • SHA256

    3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3

  • SHA512

    487d82967f5a05f2b995b00b564eb6cfdc0d206db9c7365eab05f6cb54d4b91d6e02113f7d9f01a02a5c2fb182a971ae883920974a2700e6538060d53b333bd5

  • SSDEEP

    3072:vJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jla//2uFrSc:8fYOX+wTScR/Xzku9LVwiuG

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 620
        3⤵
        • Program crash
        PID:2904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
    1⤵
      PID:2408

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1236-0-0x0000000074D80000-0x0000000074DAF000-memory.dmp

            Filesize

            188KB

          • memory/1236-2-0x0000000000600000-0x0000000000606000-memory.dmp

            Filesize

            24KB

          • memory/1236-3-0x0000000074D80000-0x0000000074DAF000-memory.dmp

            Filesize

            188KB