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Analysis

  • max time kernel
    72s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2023, 14:28

General

  • Target

    5b401c1e2d29dc0d4ea552f872adcba2db55e85182cdfc86e955a6b12d580f76.exe

  • Size

    3.9MB

  • MD5

    29d48c1a6adcb603baedeb81ecb746a2

  • SHA1

    65a8cdb82e062ec5bb93465525e8d7b7f7e1761b

  • SHA256

    5b401c1e2d29dc0d4ea552f872adcba2db55e85182cdfc86e955a6b12d580f76

  • SHA512

    3aed36bd734fa90c2ff741af23deef52f17d764a66bd59319ace7193baf1fa44090179e5c907720e112c1741fcf2c25f0d088682ba37c8a93c003512a64b134f

  • SSDEEP

    98304:4LrEGCBmFA+vgV4jjoNEZ2XyvgrpZsMSmI7+RAzI0:4HErBiA464jcNEAXWgrpZsMSD7+h0

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b401c1e2d29dc0d4ea552f872adcba2db55e85182cdfc86e955a6b12d580f76.exe
    "C:\Users\Admin\AppData\Local\Temp\5b401c1e2d29dc0d4ea552f872adcba2db55e85182cdfc86e955a6b12d580f76.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp96B7.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Windows\SysWOW64\timeout.exe
        timeout 5
        3⤵
        • Delays execution with timeout.exe
        PID:4020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp96B7.tmp.bat

    Filesize

    326B

    MD5

    5caaee05881b4e2968943c96cf929ba5

    SHA1

    11eb243c48b440b58d20d702d62e478cad36e704

    SHA256

    eeca99cf84f6225363bcefb7e3cd4d72bc4384bbf596ce228e8b3d5e40189399

    SHA512

    788de9b25ce535ce841ee95796b95de09743c0af441c51912b13e419e17cd2857c9be089f5953c1a7897428a3ec8fd507dd8b3548eb1dc30546a613d60fafe98

  • memory/2176-133-0x0000000000F00000-0x000000000188E000-memory.dmp

    Filesize

    9.6MB

  • memory/2176-136-0x0000000000F00000-0x000000000188E000-memory.dmp

    Filesize

    9.6MB

  • memory/2176-137-0x0000000000F00000-0x000000000188E000-memory.dmp

    Filesize

    9.6MB

  • memory/2176-139-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/2176-140-0x0000000003120000-0x0000000003130000-memory.dmp

    Filesize

    64KB

  • memory/2176-147-0x0000000000F00000-0x000000000188E000-memory.dmp

    Filesize

    9.6MB

  • memory/2176-149-0x0000000000F00000-0x000000000188E000-memory.dmp

    Filesize

    9.6MB