Analysis

  • max time kernel
    96s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 13:08

General

  • Target

    2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll

  • Size

    184KB

  • MD5

    d5716158d64dde82bfbebdc0a8f62500

  • SHA1

    2082bcedb9c59a73d4fe5d7598a61c0d579388d0

  • SHA256

    2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449

  • SHA512

    db82ee92d81c2778477209f9c042262c58a339f60c2ea562c61e959b76a1d92b0150d948294a72b300b697c431c226aa1457ce75baada705d9b939b17bd4cee7

  • SSDEEP

    3072:n92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTUrLA:n9NSMOEpQ1Q3ODAr+VA

Malware Config

Extracted

Family

dridex

Botnet

22203

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 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\2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2142bc9f8c9e7fbb9a551d1cde5ac1d4bdcdcec25c3fc2dde63d4d093c5e2449N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 616
        3⤵
        • Program crash
        PID:2672
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
    1⤵
      PID:3844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3672-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB

    • memory/3672-1-0x0000000075130000-0x000000007515F000-memory.dmp

      Filesize

      188KB

    • memory/3672-2-0x0000000075130000-0x000000007515F000-memory.dmp

      Filesize

      188KB

    • memory/3672-3-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB