Analysis

  • max time kernel
    146s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:18

General

  • Target

    1f0bc077a7bd3b16bc1c08e35cf8c8c4529f74377aacf92e1d4a770e8040eff4.exe

  • Size

    601KB

  • MD5

    14ddd4235e2417db3fea2d368b5de207

  • SHA1

    e1d9ab9cc2c285be18e4ec2243bcdf763b198cba

  • SHA256

    1f0bc077a7bd3b16bc1c08e35cf8c8c4529f74377aacf92e1d4a770e8040eff4

  • SHA512

    7ac3f22baa669f20dec12a6481e0e1bd659332e644c58c54390c7d60c163a6b3158186055be5c7f45c91f22734f8a6af090116554760fcf72c11fac50ffa818b

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdl:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AD

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\1f0bc077a7bd3b16bc1c08e35cf8c8c4529f74377aacf92e1d4a770e8040eff4.exe
    "C:\Users\Admin\AppData\Local\Temp\1f0bc077a7bd3b16bc1c08e35cf8c8c4529f74377aacf92e1d4a770e8040eff4.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:2028
    • C:\Users\Admin\AppData\Local\Temp\n1892\s1892.exe
      "C:\Users\Admin\AppData\Local\Temp\n1892\s1892.exe" f380b827e23b942902626988XH39mK9aNJYDjPjAfwVbzFVKoqorPsjWEId5L/lcn/DnYc6F3NUe1j0AdR+bwl9JLEVFPVf4iZmTZqWH0fFKFDbJ7DPYjmV11sdb3WF8dfPHPC2QFkCLXR5zsDCG4M+ZyXzkUvqbjpKu4Gg4n35RdUwUxkvQ1tDRKE5n0A== /v "C:\Users\Admin\AppData\Local\Temp\1f0bc077a7bd3b16bc1c08e35cf8c8c4529f74377aacf92e1d4a770e8040eff4.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1892\s1892.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/532-62-0x000007FEF4150000-0x000007FEF4B73000-memory.dmp

    Filesize

    10.1MB

  • memory/532-63-0x000007FEF2E70000-0x000007FEF3F06000-memory.dmp

    Filesize

    16.6MB

  • memory/532-64-0x0000000000636000-0x0000000000655000-memory.dmp

    Filesize

    124KB

  • memory/532-65-0x000007FEEE1F0000-0x000007FEEF07F000-memory.dmp

    Filesize

    14.6MB

  • memory/532-66-0x000007FEEFAF0000-0x000007FEEFDDA000-memory.dmp

    Filesize

    2.9MB

  • memory/532-67-0x0000000000636000-0x0000000000655000-memory.dmp

    Filesize

    124KB

  • memory/532-68-0x0000000000636000-0x0000000000655000-memory.dmp

    Filesize

    124KB

  • memory/2028-54-0x0000000075531000-0x0000000075533000-memory.dmp

    Filesize

    8KB