Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 10:41

General

  • Target

    5d208d77cea20c7ab100c35262a20d10ede144c704ca6997ee810b0132511d04.exe

  • Size

    601KB

  • MD5

    6a1ce25430be73a375a8a199ad12e95a

  • SHA1

    79168dcacf68846d7fe240f061b05a16bf895b64

  • SHA256

    5d208d77cea20c7ab100c35262a20d10ede144c704ca6997ee810b0132511d04

  • SHA512

    8db41306f98fbe3d6528f571404bb77ca0038d95c6767627e4527cd1c5219f67bced622ba211393f8feab5cce37dc61b25287c6826d53b7da54395d9f22f8543

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdu:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4Ao

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\5d208d77cea20c7ab100c35262a20d10ede144c704ca6997ee810b0132511d04.exe
    "C:\Users\Admin\AppData\Local\Temp\5d208d77cea20c7ab100c35262a20d10ede144c704ca6997ee810b0132511d04.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:812
    • C:\Users\Admin\AppData\Local\Temp\n1083\s1083.exe
      "C:\Users\Admin\AppData\Local\Temp\n1083\s1083.exe" 1394861d9e2d627ae52b2a59uhHnbNLxRXZ8O82ppvON7wctOmAn+sIdWknXADcNAUe2F3FYOcUos5f7pFeTZ2dC3AvMUBHkTnyPQZK7Lv9GBzXbT/wF6lkFDhbY/INI6D61Bqf5dYIW4NqlxdPofUCaGCHe+5nbBfLAk42cQ/3hEEygLKiNfroLakSSo3I= /v "C:\Users\Admin\AppData\Local\Temp\5d208d77cea20c7ab100c35262a20d10ede144c704ca6997ee810b0132511d04.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1083\s1083.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/812-54-0x0000000075131000-0x0000000075133000-memory.dmp

    Filesize

    8KB

  • memory/1932-62-0x000007FEF3D10000-0x000007FEF4733000-memory.dmp

    Filesize

    10.1MB

  • memory/1932-63-0x000007FEF2A30000-0x000007FEF3AC6000-memory.dmp

    Filesize

    16.6MB

  • memory/1932-64-0x0000000002216000-0x0000000002235000-memory.dmp

    Filesize

    124KB

  • memory/1932-65-0x0000000002216000-0x0000000002235000-memory.dmp

    Filesize

    124KB

  • memory/1932-66-0x000007FEEDDF0000-0x000007FEEEC7F000-memory.dmp

    Filesize

    14.6MB

  • memory/1932-67-0x000007FEF1F50000-0x000007FEF223A000-memory.dmp

    Filesize

    2.9MB

  • memory/1932-68-0x0000000002216000-0x0000000002235000-memory.dmp

    Filesize

    124KB