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Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 07:51

General

  • Target

    73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe

  • Size

    21KB

  • MD5

    4fa9e799040df3b7131e264b32a8cfd6

  • SHA1

    770c5c1d01677afca31515a9a9bbe520f41a1060

  • SHA256

    73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349

  • SHA512

    64dc76b9cc0dd42094db0621d369c252e7e06f431f5ee2d5d5a8041db544700f89897aea4f9c031da7a62156b2835b311a6c56d1e6a359083576b8719f9b8f18

  • SSDEEP

    384:OGLvGoN8npeUWozguegkwZNDI3ku6ZRpesDuxqQ:Xvinpe3tgkmdEl0LKxx

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
    "C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANAA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4240
    • C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
      C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4236

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe.log

    Filesize

    1KB

    MD5

    e87e48b105757e1c7563d1c719059733

    SHA1

    28a3f2b2e0672da2b531f4757d2b20b53032dafc

    SHA256

    0aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461

    SHA512

    bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968

  • memory/4236-143-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/4240-138-0x00000000062F0000-0x0000000006356000-memory.dmp

    Filesize

    408KB

  • memory/4240-136-0x0000000005A20000-0x0000000006048000-memory.dmp

    Filesize

    6.2MB

  • memory/4240-137-0x0000000006280000-0x00000000062E6000-memory.dmp

    Filesize

    408KB

  • memory/4240-139-0x0000000006980000-0x000000000699E000-memory.dmp

    Filesize

    120KB

  • memory/4240-140-0x00000000081C0000-0x000000000883A000-memory.dmp

    Filesize

    6.5MB

  • memory/4240-141-0x0000000006E70000-0x0000000006E8A000-memory.dmp

    Filesize

    104KB

  • memory/4240-135-0x00000000053B0000-0x00000000053E6000-memory.dmp

    Filesize

    216KB

  • memory/4972-132-0x00000000003E0000-0x00000000003EC000-memory.dmp

    Filesize

    48KB

  • memory/4972-133-0x0000000005B40000-0x0000000005B62000-memory.dmp

    Filesize

    136KB