Analysis

  • max time kernel
    93s
  • max time network
    145s
  • 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 16:15

General

  • Target

    c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll

  • Size

    162KB

  • MD5

    50dc3508e5d16deb993e7632ca1a9ad7

  • SHA1

    9e192ea5a2da62f65807cd51b00f4dd47c7e412a

  • SHA256

    c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b

  • SHA512

    71a839b58620087a13d0805479eb68196bd03736b403207034f75e2e782db141c646363df49c2ced3f382955edb4b2d63de9ecb5ad295178e7cc555edcdc435a

  • SSDEEP

    3072:3esl4+VdlY+01jb5SA5hg9PTEfPa1x+pq0KbuFicLJL:74+VZQpt5hyPsa1ekiEyL

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

203.114.109.124:443

82.165.145.100:6601

94.177.255.18:8172

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 1 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\c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 720
        3⤵
        • Program crash
        PID:4704
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4380 -ip 4380
    1⤵
      PID:668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4380-0-0x0000000010000000-0x000000001002D000-memory.dmp

      Filesize

      180KB

    • memory/4380-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

      Filesize

      24KB