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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 05:15

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 3 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2316
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2256-0-0x0000000010027000-0x00000000103B2000-memory.dmp

    Filesize

    3.5MB

  • memory/2256-1-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/2256-10-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/2256-8-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/2256-6-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/2256-5-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/2256-3-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/2256-11-0x0000000010000000-0x00000000106EB000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-12-0x0000000010000000-0x00000000106EB000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-13-0x0000000010027000-0x00000000103B2000-memory.dmp

    Filesize

    3.5MB

  • memory/2256-14-0x0000000010000000-0x00000000106EB000-memory.dmp

    Filesize

    6.9MB