Analysis

  • max time kernel
    167s
  • max time network
    180s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-08-2024 13:07

General

  • Target

    Scanned Purchase Copy.exe

  • Size

    840KB

  • MD5

    f0ac6e417bcb277b0f77a68d569221e2

  • SHA1

    fe3c587bbc5288889d9af771d27f32588027f51b

  • SHA256

    f8ad0d0ae8b7c856e33237282a0f3ea323ae03b9bb6e058a58a7b22f004a4e3f

  • SHA512

    2dc6d75298f241453020cddd913e962b216918cba87958faf40a33a61e6abbd1833b1ccc93440f0b0c5facbcfad7a02dad1a60050c18e6d800d557d5cc39ecaa

  • SSDEEP

    12288:yX7cSNszmBR4fZrJpRLR22IZwJe3jFPS4YKcw+8VirmaAEO/YZwVct3iS7JC:yX7Gm7wE3jhlYKVafO/Tw7JC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scanned Purchase Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Scanned Purchase Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\Scanned Purchase Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Scanned Purchase Copy.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1480
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:1068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsuAA4B.tmp\System.dll

      Filesize

      12KB

      MD5

      4add245d4ba34b04f213409bfe504c07

      SHA1

      ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

      SHA256

      9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

      SHA512

      1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

    • memory/1480-12-0x00007FFD59EE0000-0x00007FFD5A0E9000-memory.dmp

      Filesize

      2.0MB

    • memory/1480-27-0x00000000004B0000-0x00000000017C7000-memory.dmp

      Filesize

      19.1MB

    • memory/1480-29-0x00007FFD59EE0000-0x00007FFD5A0E9000-memory.dmp

      Filesize

      2.0MB

    • memory/1480-30-0x00000000004B0000-0x00000000017C7000-memory.dmp

      Filesize

      19.1MB

    • memory/1480-31-0x00000000004B0000-0x00000000017C7000-memory.dmp

      Filesize

      19.1MB

    • memory/1480-35-0x00007FFD59EE0000-0x00007FFD5A0E9000-memory.dmp

      Filesize

      2.0MB

    • memory/1480-34-0x00000000004B0000-0x00000000017C7000-memory.dmp

      Filesize

      19.1MB

    • memory/3068-10-0x00007FFD59EE1000-0x00007FFD5A00A000-memory.dmp

      Filesize

      1.2MB

    • memory/3068-11-0x00007FFD59EE0000-0x00007FFD5A0E9000-memory.dmp

      Filesize

      2.0MB