Analysis

  • max time kernel
    71s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 09:58

General

  • Target

    394ef8e4999d11e89f2b2f288ba91aa052d4551ac7eee553c4cabd7fa97750d9.exe

  • Size

    601KB

  • MD5

    d2a022c4ea889e28c2c8ff74308986eb

  • SHA1

    ec7bf881c1737200b8788b1f9d280f20e21efb25

  • SHA256

    394ef8e4999d11e89f2b2f288ba91aa052d4551ac7eee553c4cabd7fa97750d9

  • SHA512

    771d1097a5c105bb40007e13e57ba4b7628b78b954746feb1d24c4e2f280bd1993f976b78631243483ef629143740c4e45649ced52cf454eafce73ae4c67ae13

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdf:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4At

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\394ef8e4999d11e89f2b2f288ba91aa052d4551ac7eee553c4cabd7fa97750d9.exe
    "C:\Users\Admin\AppData\Local\Temp\394ef8e4999d11e89f2b2f288ba91aa052d4551ac7eee553c4cabd7fa97750d9.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:1572
    • C:\Users\Admin\AppData\Local\Temp\n7230\s7230.exe
      "C:\Users\Admin\AppData\Local\Temp\n7230\s7230.exe" 6191d012939cf9c2b441919evZ6mWXYwe7XAXIlI3Dhm9CqnJKbE5xFEqkmQSvKzuyGUJUby2KSWtc+5Bp/DUB0jkUuPArPYPo5JBF3/9RXl1nRnp7amt2UaNo2UkSRcZadO1l8R1HdBs8VAgs4DM87dF5PMhJGMns0KvqUNeh5vcTij5fYemZBAke8cJCc= /v "C:\Users\Admin\AppData\Local\Temp\394ef8e4999d11e89f2b2f288ba91aa052d4551ac7eee553c4cabd7fa97750d9.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n7230\s7230.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1572-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

    Filesize

    8KB

  • memory/1784-62-0x000007FEF3A90000-0x000007FEF44B3000-memory.dmp

    Filesize

    10.1MB

  • memory/1784-63-0x000007FEF29F0000-0x000007FEF3A86000-memory.dmp

    Filesize

    16.6MB

  • memory/1784-64-0x0000000000B26000-0x0000000000B45000-memory.dmp

    Filesize

    124KB

  • memory/1784-65-0x0000000000B26000-0x0000000000B45000-memory.dmp

    Filesize

    124KB

  • memory/1784-66-0x000007FEEE200000-0x000007FEEF08F000-memory.dmp

    Filesize

    14.6MB

  • memory/1784-67-0x000007FEF2700000-0x000007FEF29EA000-memory.dmp

    Filesize

    2.9MB

  • memory/1784-68-0x0000000000B26000-0x0000000000B45000-memory.dmp

    Filesize

    124KB