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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 09:28

General

  • Target

    9d246707c1ec940a2a17803542a9e3e0N.exe

  • Size

    496KB

  • MD5

    9d246707c1ec940a2a17803542a9e3e0

  • SHA1

    08e896d707041260027ddf1e7f428de8401627c5

  • SHA256

    420789ab30b823411f53477fd9fc568392b0b1b96962bbe429e40f93dd4bbcff

  • SHA512

    c923c0efff80002e0447e0c7422dff65e399d6f24848f4b687a23fdc37770136571ee264ee8b5b390e719378783d1fca8dce0fdbe1332a38ee0b15abd200aa5b

  • SSDEEP

    6144:42xvIowx9CSZi+vdXhcVhkdtW0zmIMf5h2gPoFjdz52Wb3/mh7Q/u1PE0e/qHPB+:42hHYEqrvdKX+q5IVL0G2uJCtJw

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\9d246707c1ec940a2a17803542a9e3e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9d246707c1ec940a2a17803542a9e3e0N.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:2980
    • C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe
      "C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe" ins.exe /e 10656963 /u 4d48823a-b8b4-4f4d-b72e-794a5bc06ebe /v "C:\Users\Admin\AppData\Local\Temp\9d246707c1ec940a2a17803542a9e3e0N.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:3500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 4480
      2⤵
      • Program crash
      PID:4488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2980 -ip 2980
    1⤵
      PID:4928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe

      Filesize

      284KB

      MD5

      56c3c0bea17637a46ab6d82507923e75

      SHA1

      de31ef91d7568429b34a00b23c3b2be815417e2a

      SHA256

      b5518025103fc369faed527131b8c09df89f58bad97674388b36291b96cbb13a

      SHA512

      fb3c60e5bf4cf73ea6c101d3a811016a4d30bf467da9f412321d856de1d949bec9a11f3adaf1c7fb0238ddd429759a743de927a8181dd14eb2638ee52677d16c

    • memory/3500-11-0x00007FFA1EB75000-0x00007FFA1EB76000-memory.dmp

      Filesize

      4KB

    • memory/3500-12-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-13-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-14-0x0000000000E10000-0x0000000000E1A000-memory.dmp

      Filesize

      40KB

    • memory/3500-17-0x000000001BA80000-0x000000001BF4E000-memory.dmp

      Filesize

      4.8MB

    • memory/3500-18-0x000000001BFF0000-0x000000001C08C000-memory.dmp

      Filesize

      624KB

    • memory/3500-19-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

      Filesize

      32KB

    • memory/3500-20-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-21-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-22-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-23-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-24-0x000000001D8A0000-0x000000001D902000-memory.dmp

      Filesize

      392KB

    • memory/3500-25-0x000000001FA50000-0x000000001FB8C000-memory.dmp

      Filesize

      1.2MB

    • memory/3500-26-0x00000000200A0000-0x00000000205AE000-memory.dmp

      Filesize

      5.1MB

    • memory/3500-27-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB

    • memory/3500-29-0x00007FFA1E8C0000-0x00007FFA1F261000-memory.dmp

      Filesize

      9.6MB