Analysis

  • max time kernel
    63s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 15:41

General

  • Target

    52ee9d66e386804b0ec0ca8e967ea88ef25ad28ae4c3427173f8e4ba2a4214c0.exe

  • Size

    601KB

  • MD5

    c2425e969fe5b378522d37a36958a29e

  • SHA1

    d71f251e69dac722f95190856dd43c41867fbaf8

  • SHA256

    52ee9d66e386804b0ec0ca8e967ea88ef25ad28ae4c3427173f8e4ba2a4214c0

  • SHA512

    f49c2bcb0930815e5b29542ed8ee4d480b496af5309673dba392de07b9918edc93235c366ed15ee869c974beb1e353093e397c1551af1846d89fc312996cd6e7

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdh: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\52ee9d66e386804b0ec0ca8e967ea88ef25ad28ae4c3427173f8e4ba2a4214c0.exe
    "C:\Users\Admin\AppData\Local\Temp\52ee9d66e386804b0ec0ca8e967ea88ef25ad28ae4c3427173f8e4ba2a4214c0.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:1788
    • C:\Users\Admin\AppData\Local\Temp\n1781\s1781.exe
      "C:\Users\Admin\AppData\Local\Temp\n1781\s1781.exe" b7c01bc4c4fa3f50f5593de8yw1t6Tca0r56RnrLiLovBmR2RnnRraHkWGU+XvojOI6g+hdMQAjLVKNjpUIw6OvDfDd75yrAvbxf/BA3pMLGTahOBOVGzlJ4btuQJtjUPJrYWfma7FiTjOdkGfkWyeaAv4WvNN9gSlkgOPU81+TmDity2kyx/GGOdLmQH9I= /v "C:\Users\Admin\AppData\Local\Temp\52ee9d66e386804b0ec0ca8e967ea88ef25ad28ae4c3427173f8e4ba2a4214c0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n1781\s1781.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1628-62-0x000007FEF3BC0000-0x000007FEF45E3000-memory.dmp

    Filesize

    10.1MB

  • memory/1628-63-0x000007FEF2B20000-0x000007FEF3BB6000-memory.dmp

    Filesize

    16.6MB

  • memory/1628-64-0x0000000000B56000-0x0000000000B75000-memory.dmp

    Filesize

    124KB

  • memory/1628-65-0x000007FEEE4D0000-0x000007FEEF35F000-memory.dmp

    Filesize

    14.6MB

  • memory/1628-66-0x000007FEF2830000-0x000007FEF2B1A000-memory.dmp

    Filesize

    2.9MB

  • memory/1628-67-0x0000000000B56000-0x0000000000B75000-memory.dmp

    Filesize

    124KB

  • memory/1788-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

    Filesize

    8KB