Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 22:30

General

  • Target

    40407d8d73e4260d692949a296912337.exe

  • Size

    403KB

  • MD5

    40407d8d73e4260d692949a296912337

  • SHA1

    b5a5895468b343433edd0346eacd740fb7c2bcb2

  • SHA256

    22fb95adecfa503b4c542ba974b5422da6f84989c0f397237ed3abd0b88a25fb

  • SHA512

    5490b0f7c3169c5f22c71b49b211194c47404f9e0fe95efb102ad6a1448ff88ebd636eea5bf82d969dd4814f08f557da92a1b5ba98384cc30c9251f11221f4f5

  • SSDEEP

    12288:fh2plJgBGqDi2ETR5iAUrswqPoFRRkngZ3wstvo:fkyB1DiNTXiHEAFRCgqsNo

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40407d8d73e4260d692949a296912337.exe
    "C:\Users\Admin\AppData\Local\Temp\40407d8d73e4260d692949a296912337.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\n7201\s7201.exe
      "C:\Users\Admin\AppData\Local\Temp\n7201\s7201.exe" ins.exe /h d62580.api.socdn.com /e 8030519 /u 5193805b-c284-4f85-b972-26465bc06f2f /v "C:\Users\Admin\AppData\Local\Temp\40407d8d73e4260d692949a296912337.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

  • C:\Users\Admin\AppData\Local\Temp\Cab147C.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar148F.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\n7201\s7201.exe

    Filesize

    288KB

    MD5

    13b3e3bb0757730a2442c8149381b458

    SHA1

    a2763fbed796d85942b68135a9da3879ab013782

    SHA256

    1c2576369f51175b1a71ac298e1caa0bd47adc30cb9aee10be9b3e464919ed6c

    SHA512

    32482cf75cbee6b366318896861839a20c854eeac41ce08fa0d1c0af765ff7596f52f7c164dd99c48bd899a7eeeae7119b92c62962a8a19022498fd8316af899

  • memory/1724-85-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-83-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

    Filesize

    9.6MB

  • memory/1724-23-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

    Filesize

    9.6MB

  • memory/1724-88-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

    Filesize

    9.6MB

  • memory/1724-77-0x0000000000930000-0x000000000093A000-memory.dmp

    Filesize

    40KB

  • memory/1724-24-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-79-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-78-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-87-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-86-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-82-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-80-0x0000000000950000-0x00000000009D0000-memory.dmp

    Filesize

    512KB

  • memory/1724-84-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

    Filesize

    9.6MB

  • memory/2212-81-0x00000000025C0000-0x00000000025D0000-memory.dmp

    Filesize

    64KB

  • memory/2212-5-0x00000000025C0000-0x00000000025D0000-memory.dmp

    Filesize

    64KB

  • memory/2212-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2212-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB