Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 16:00

General

  • Target

    ab907c7f461d850c3e174a47acbde9e0N.exe

  • Size

    490KB

  • MD5

    ab907c7f461d850c3e174a47acbde9e0

  • SHA1

    2eb799041805ec7e8de0d2347cbd95527ff55530

  • SHA256

    3236c8f5d603fbfb3c6e448dd966dca641fb60ef68ae128f6b3640f04b67aea4

  • SHA512

    7a5cd7f4d644b3962cf53d32670e145c69322c6e4fd3a48b7150cf26253dfbcabc0a4ab9b9ea7fec94141a4f8c9f8dab0303886164abdc2182136e35b7884e10

  • SSDEEP

    6144:LxCL8ow3omoizDbeRIDVp0zm2kdtA5KMco7PoFjdz53WbX7A/mXuH20uPr/MHPEN:LxczaFz3bewMRT56KDsY1uJCyxG

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\ab907c7f461d850c3e174a47acbde9e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ab907c7f461d850c3e174a47acbde9e0N.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:1804
    • C:\Users\Admin\AppData\Local\Temp\n3057\s3057.exe
      "C:\Users\Admin\AppData\Local\Temp\n3057\s3057.exe" ins.exe /e 12740290 /u 5280fe20-efa8-4c56-acec-17bc0a000013 /v "C:\Users\Admin\AppData\Local\Temp\ab907c7f461d850c3e174a47acbde9e0N.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:212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 4468
      2⤵
      • Program crash
      PID:636
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1804 -ip 1804
    1⤵
      PID:4692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n3057\s3057.exe

      Filesize

      284KB

      MD5

      56c3c0bea17637a46ab6d82507923e75

      SHA1

      de31ef91d7568429b34a00b23c3b2be815417e2a

      SHA256

      b5518025103fc369faed527131b8c09df89f58bad97674388b36291b96cbb13a

      SHA512

      fb3c60e5bf4cf73ea6c101d3a811016a4d30bf467da9f412321d856de1d949bec9a11f3adaf1c7fb0238ddd429759a743de927a8181dd14eb2638ee52677d16c

    • memory/212-11-0x00007FFA3B5F5000-0x00007FFA3B5F6000-memory.dmp

      Filesize

      4KB

    • memory/212-12-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-13-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-14-0x00000000012F0000-0x00000000012FA000-memory.dmp

      Filesize

      40KB

    • memory/212-17-0x000000001C330000-0x000000001C7FE000-memory.dmp

      Filesize

      4.8MB

    • memory/212-18-0x000000001BD50000-0x000000001BDEC000-memory.dmp

      Filesize

      624KB

    • memory/212-19-0x00000000012D0000-0x00000000012D8000-memory.dmp

      Filesize

      32KB

    • memory/212-20-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-21-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-22-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-23-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-24-0x000000001DA30000-0x000000001DA92000-memory.dmp

      Filesize

      392KB

    • memory/212-25-0x0000000020160000-0x000000002029C000-memory.dmp

      Filesize

      1.2MB

    • memory/212-26-0x00000000207B0000-0x0000000020CBE000-memory.dmp

      Filesize

      5.1MB

    • memory/212-27-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB

    • memory/212-29-0x00007FFA3B340000-0x00007FFA3BCE1000-memory.dmp

      Filesize

      9.6MB