Resubmissions

22-12-2024 05:26

241222-f44c4svqcy 10

22-12-2024 05:18

241222-fzr5aavqhp 10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-12-2024 05:26

General

  • Target

    GF.dll

  • Size

    6.9MB

  • MD5

    c6e29164ff238c1f3a538722c7ab9871

  • SHA1

    8e3c981e9dcd9d71c2128811652b4a62acd2622b

  • SHA256

    4848cd7fd555e5551d94a1b8df19d19a9cf65727c0d8badbe2457516ee19ead7

  • SHA512

    f9e736d37d83ad38255e22ec282ca6d137471a640981f5bcd039d04ddd3151e4036920d3d182230d1f442f8410ebdc4dc8ef95f7264450a517c4fa9ad3308a31

  • SSDEEP

    196608:2r05756bdjFOVhF22yMRTvBmmzIzCMRo:2FdjUVhacB1sJRo

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2880-0-0x0000000010027000-0x00000000103B2000-memory.dmp

    Filesize

    3.5MB

  • memory/2880-1-0x0000000000700000-0x0000000000701000-memory.dmp

    Filesize

    4KB

  • memory/2880-2-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/2880-3-0x0000000010000000-0x00000000106EB000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-4-0x0000000010027000-0x00000000103B2000-memory.dmp

    Filesize

    3.5MB

  • memory/2880-5-0x0000000010000000-0x00000000106EB000-memory.dmp

    Filesize

    6.9MB