Analysis

  • max time kernel
    230s
  • max time network
    314s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 04:33

General

  • Target

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15.exe

  • Size

    96KB

  • MD5

    8c990f3189ed94e92a88fcf4131974aa

  • SHA1

    c45ea00192197809060202c742c15f0bcb705527

  • SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

  • SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • SSDEEP

    1536:ZuqNAOCxiH8SWttzZQeCLSQ3pRX7ZlojgWYevDCvbSgBvUICk9:8qfCxjSsFQeVQZRX7ZlEgWqmwvUIh9

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15.exe
    "C:\Users\Admin\AppData\Local\Temp\5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Users\Admin\AppData\Local\Temp\5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15.exe
      "C:\Users\Admin\AppData\Local\Temp\5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15.exe"
      2⤵
      • Modifies firewall policy service
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:784
      • C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe
        "C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe
          "C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe"
          4⤵
          • Executes dropped EXE
          PID:608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe

    Filesize

    96KB

    MD5

    8c990f3189ed94e92a88fcf4131974aa

    SHA1

    c45ea00192197809060202c742c15f0bcb705527

    SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

    SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe

    Filesize

    96KB

    MD5

    8c990f3189ed94e92a88fcf4131974aa

    SHA1

    c45ea00192197809060202c742c15f0bcb705527

    SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

    SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • C:\Users\Admin\M-1-52-5782-8752-5245\winsvc.exe

    Filesize

    96KB

    MD5

    8c990f3189ed94e92a88fcf4131974aa

    SHA1

    c45ea00192197809060202c742c15f0bcb705527

    SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

    SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • \Users\Admin\M-1-52-5782-8752-5245\winsvc.exe

    Filesize

    96KB

    MD5

    8c990f3189ed94e92a88fcf4131974aa

    SHA1

    c45ea00192197809060202c742c15f0bcb705527

    SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

    SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • \Users\Admin\M-1-52-5782-8752-5245\winsvc.exe

    Filesize

    96KB

    MD5

    8c990f3189ed94e92a88fcf4131974aa

    SHA1

    c45ea00192197809060202c742c15f0bcb705527

    SHA256

    5fff5bebd8ce790410cac14557e79ad760957e67d0c01767ffd90e7abcf3fb15

    SHA512

    998cbc0ff127b586390439034eba1cd6e6bf377fef8040d91d24906efaf5ced16f17e51801d2730b4151eae1f9fe205afbb5fc01c8ad4f399b56299c3c96e42c

  • memory/520-65-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/520-54-0x00000000757C1000-0x00000000757C3000-memory.dmp

    Filesize

    8KB

  • memory/608-85-0x0000000000403FDC-mapping.dmp

  • memory/784-68-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-63-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-64-0x0000000000403FDC-mapping.dmp

  • memory/784-69-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-62-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-61-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-60-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-58-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-56-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/784-55-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1108-72-0x0000000000000000-mapping.dmp

  • memory/1108-87-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB