Analysis

  • max time kernel
    47s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 22:31

General

  • Target

    7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939.exe

  • Size

    116KB

  • MD5

    76e18848693ac0af18f991e8b80541d7

  • SHA1

    8ddd0e6f736414a0cf941af432f9dd847872cd74

  • SHA256

    7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939

  • SHA512

    8fdc84dec4718afaef4c667f1a5bd32024a7f23393c611cbb904c07acd942acfbf4452d672c69c18db08676eafab2d2944522793e2b09046c3a9aca9dcaf918c

  • SSDEEP

    3072:RbupWEDVWBOVbHd1P5OMNjFW64Mm44QvUaqHS7eDEEGBS:RiYaEBOVb3EMNjFWrvht1kS

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939.exe
    "C:\Users\Admin\AppData\Local\Temp\7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\Windows.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows.exe" "Windows.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windows.exe

    Filesize

    116KB

    MD5

    76e18848693ac0af18f991e8b80541d7

    SHA1

    8ddd0e6f736414a0cf941af432f9dd847872cd74

    SHA256

    7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939

    SHA512

    8fdc84dec4718afaef4c667f1a5bd32024a7f23393c611cbb904c07acd942acfbf4452d672c69c18db08676eafab2d2944522793e2b09046c3a9aca9dcaf918c

  • C:\Users\Admin\AppData\Local\Temp\Windows.exe

    Filesize

    116KB

    MD5

    76e18848693ac0af18f991e8b80541d7

    SHA1

    8ddd0e6f736414a0cf941af432f9dd847872cd74

    SHA256

    7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939

    SHA512

    8fdc84dec4718afaef4c667f1a5bd32024a7f23393c611cbb904c07acd942acfbf4452d672c69c18db08676eafab2d2944522793e2b09046c3a9aca9dcaf918c

  • \Users\Admin\AppData\Local\Temp\Windows.exe

    Filesize

    116KB

    MD5

    76e18848693ac0af18f991e8b80541d7

    SHA1

    8ddd0e6f736414a0cf941af432f9dd847872cd74

    SHA256

    7b2ffb70b62a3c0e28528d36d710f4f85a3fbaaab4afd699c8259617c5438939

    SHA512

    8fdc84dec4718afaef4c667f1a5bd32024a7f23393c611cbb904c07acd942acfbf4452d672c69c18db08676eafab2d2944522793e2b09046c3a9aca9dcaf918c

  • memory/944-63-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/944-65-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1824-54-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/1824-55-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1824-61-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB