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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2024, 20:24

General

  • Target

    5_WfHC.dll

  • Size

    180KB

  • MD5

    172e33cda92623f3f9b3213954f52e9e

  • SHA1

    05f886e3a9d32eb725dc4f3128c62a0165bc0506

  • SHA256

    0d9a0d05c7ba4ae81904e64f66235e032ded422aa95de11b8a9691123f911885

  • SHA512

    6020c33d350c062440ceb9f58bfcece422d71f9f1e36dc155c05f20df752a2a7158d5e62d66eb0f857fb2fc968cd1ed25a3f91b7de0bb4615f15af3ba5c0668e

  • SSDEEP

    3072:vqzhtjVkooePHOHX9s/4R1ltAeSKt84r5AMUpbSeS:yuopPu3q/4FCur5AMC2e

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

178.62.205.130:443

45.90.108.123:13786

198.199.98.78:9217

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\5_WfHC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_WfHC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 620
        3⤵
        • Program crash
        PID:1148
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2084 -ip 2084
    1⤵
      PID:4712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2084-0-0x00000000023D0000-0x00000000023D6000-memory.dmp

      Filesize

      24KB

    • memory/2084-1-0x0000000074940000-0x000000007496F000-memory.dmp

      Filesize

      188KB

    • memory/2084-2-0x0000000074940000-0x000000007496F000-memory.dmp

      Filesize

      188KB

    • memory/2084-3-0x00000000023D0000-0x00000000023D6000-memory.dmp

      Filesize

      24KB