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Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 05:36

General

  • Target

    f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe

  • Size

    496KB

  • MD5

    a75f4e9f42dcfdbb0142daec7d86261c

  • SHA1

    acd55d6988f7a4cdc66eddfc782ab72c89ecffee

  • SHA256

    f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92

  • SHA512

    a9e4f716acf53e8e38bf638e6bdf3e5910a0079734488dcbfa4dbf24246e75005da9e823b42b1873b3b82f6000b97cee20b10f8e59d5c678f7cbcb40fa0f8eed

  • SSDEEP

    12288:Clzo33HHzk1uxJZCr2vxtl2uw1TVdsovFjW+1:Clzo33HHzpf8C/l299VdlFj91

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
    "C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe
      "C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe" ins.exe /e11738482 /u51938065-e47c-4b97-bfda-2a105bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 4480
      2⤵
      • Program crash
      PID:4188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1288 -ip 1288
    1⤵
      PID:3440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe

      Filesize

      275KB

      MD5

      316287c0010874356127dd8b7bc17896

      SHA1

      0939ad854954393f052f5ba64b6c4b8e03a8866b

      SHA256

      69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

      SHA512

      1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

    • memory/4480-11-0x00007FFEDE525000-0x00007FFEDE526000-memory.dmp

      Filesize

      4KB

    • memory/4480-12-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-13-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-14-0x000000001B760000-0x000000001B76A000-memory.dmp

      Filesize

      40KB

    • memory/4480-17-0x000000001BEC0000-0x000000001C38E000-memory.dmp

      Filesize

      4.8MB

    • memory/4480-18-0x000000001C430000-0x000000001C4CC000-memory.dmp

      Filesize

      624KB

    • memory/4480-19-0x0000000001360000-0x0000000001368000-memory.dmp

      Filesize

      32KB

    • memory/4480-20-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-21-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-22-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-23-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-24-0x000000001FCD0000-0x000000001FD32000-memory.dmp

      Filesize

      392KB

    • memory/4480-25-0x0000000020340000-0x000000002047C000-memory.dmp

      Filesize

      1.2MB

    • memory/4480-26-0x0000000020990000-0x0000000020E9E000-memory.dmp

      Filesize

      5.1MB

    • memory/4480-27-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-28-0x00007FFEDE525000-0x00007FFEDE526000-memory.dmp

      Filesize

      4KB

    • memory/4480-29-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-30-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB

    • memory/4480-32-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

      Filesize

      9.6MB