Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 16:18

General

  • Target

    c638c2299899aee22932d54ea6fb475035f76a964971a4cb2d42219c73bbb090.dll

  • Size

    171KB

  • MD5

    9c1a2f588aaf55f511c53ab488258f0c

  • SHA1

    2a171f02343a166b082dea2533a36363d3077099

  • SHA256

    c638c2299899aee22932d54ea6fb475035f76a964971a4cb2d42219c73bbb090

  • SHA512

    24db78a4ada0e98a7709514faca5dfc553642823894f0f3b87779e3d35072b281f6a638f4a2240ec5f65b1bbcd789b6e36ce08112c7e856054eb4e283f5864d0

  • SSDEEP

    3072:Ki49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:KH9RVaPEmsdHdbQUbd2H3

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\c638c2299899aee22932d54ea6fb475035f76a964971a4cb2d42219c73bbb090.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c638c2299899aee22932d54ea6fb475035f76a964971a4cb2d42219c73bbb090.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 664
        3⤵
        • Program crash
        PID:4040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3396 -ip 3396
    1⤵
      PID:3408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3396-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB

    • memory/3396-1-0x00000000758F0000-0x0000000075920000-memory.dmp

      Filesize

      192KB

    • memory/3396-2-0x00000000758F0000-0x0000000075920000-memory.dmp

      Filesize

      192KB

    • memory/3396-3-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB