Analysis

  • max time kernel
    153s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 11:38

General

  • Target

    3bc8067cd621a60877b12ac3f7d7f89041c0092bcbf7f98db702dcdd9b952d9d.exe

  • Size

    601KB

  • MD5

    073fb4541c1a33551d8f2c2fe42748ce

  • SHA1

    cbd5280b3b8d6fc188209bf899c7f250e5c34b87

  • SHA256

    3bc8067cd621a60877b12ac3f7d7f89041c0092bcbf7f98db702dcdd9b952d9d

  • SHA512

    c1112c7fb7f262fa59b8e524a636c30983e0049253d58cdb49f4132548f0216adcb156a4793595f2a46644e234a6625e31b278d4522be6ba94669c1ac264904a

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdS:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AM

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\3bc8067cd621a60877b12ac3f7d7f89041c0092bcbf7f98db702dcdd9b952d9d.exe
    "C:\Users\Admin\AppData\Local\Temp\3bc8067cd621a60877b12ac3f7d7f89041c0092bcbf7f98db702dcdd9b952d9d.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:2024
    • C:\Users\Admin\AppData\Local\Temp\n2649\s2649.exe
      "C:\Users\Admin\AppData\Local\Temp\n2649\s2649.exe" 9488c121b624d9308ef7bb4eGjbn06aNbO6noxkKz46F5nttTa7sZRgp5EeCu80uFDB1D1gm6QPJJlyq+2Po2yvRZ6bgdVi/bNPK5bNaJKqnpeZsPxJSBJ/npi/5CuAS7CSajZskTwwSUtg1PbNBko8bxUJHtClvIJKxv9cO0PvHbcRm/+9Gcm5fHrsona8= /v "C:\Users\Admin\AppData\Local\Temp\3bc8067cd621a60877b12ac3f7d7f89041c0092bcbf7f98db702dcdd9b952d9d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n2649\s2649.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1756-62-0x000007FEF3EF0000-0x000007FEF4913000-memory.dmp

    Filesize

    10.1MB

  • memory/1756-63-0x000007FEEDE40000-0x000007FEEEED6000-memory.dmp

    Filesize

    16.6MB

  • memory/1756-64-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/1756-65-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

    Filesize

    8KB

  • memory/1756-66-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/1756-67-0x000007FEECFB0000-0x000007FEEDE3F000-memory.dmp

    Filesize

    14.6MB

  • memory/1756-68-0x000007FEF3C00000-0x000007FEF3EEA000-memory.dmp

    Filesize

    2.9MB

  • memory/1756-69-0x0000000000AD6000-0x0000000000AF5000-memory.dmp

    Filesize

    124KB

  • memory/2024-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

    Filesize

    8KB