Analysis

  • max time kernel
    27s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 13:56

General

  • Target

    7f95d0cfea4d754bbee1b9c62819ee29a491bb26d9569ad7b0c20f392d26e012.exe

  • Size

    601KB

  • MD5

    b73b1cda86a6aea28665e91f69a46c52

  • SHA1

    9b0ecc732651c928555076f8ecd2d4ef315a9781

  • SHA256

    7f95d0cfea4d754bbee1b9c62819ee29a491bb26d9569ad7b0c20f392d26e012

  • SHA512

    40f775957c6da94a5d19497d16a4c9f112512765e4487bebe20aeb37c3454db30eb2bb836a45a80ae1ffc9d2078c372b09357da32288c2eaa83dabf53ec8434f

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdO:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AU

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f95d0cfea4d754bbee1b9c62819ee29a491bb26d9569ad7b0c20f392d26e012.exe
    "C:\Users\Admin\AppData\Local\Temp\7f95d0cfea4d754bbee1b9c62819ee29a491bb26d9569ad7b0c20f392d26e012.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\n740\s740.exe
      "C:\Users\Admin\AppData\Local\Temp\n740\s740.exe" 3d51b723b6950a39fd7332288qbN8/ZxFcJMMP/46X8jtJwZcxzCOu2VfLt3PQrT/0EgABaZDee17wDqmIUWo9xucER8ctFJQiYN21b5PExKS8GgI1PEYELTbg9+n7isUPMhPsa4H2q9DNZ5wiTwIuzDQvye9KII4BaZVSZaUP57wfvjISFw2ALE8LaKt24= /v "C:\Users\Admin\AppData\Local\Temp\7f95d0cfea4d754bbee1b9c62819ee29a491bb26d9569ad7b0c20f392d26e012.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n740\s740.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1168-62-0x000007FEF4010000-0x000007FEF4A33000-memory.dmp

    Filesize

    10.1MB

  • memory/1168-63-0x000007FEF2F70000-0x000007FEF4006000-memory.dmp

    Filesize

    16.6MB

  • memory/1168-64-0x0000000001FD6000-0x0000000001FF5000-memory.dmp

    Filesize

    124KB

  • memory/1168-65-0x000007FEED910000-0x000007FEEE79F000-memory.dmp

    Filesize

    14.6MB

  • memory/1168-66-0x000007FEF2050000-0x000007FEF233A000-memory.dmp

    Filesize

    2.9MB

  • memory/1168-67-0x0000000001FD6000-0x0000000001FF5000-memory.dmp

    Filesize

    124KB

  • memory/1172-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB