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Analysis

  • max time kernel
    44s
  • max time network
    102s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 09:01

General

  • Target

    7d4984c482bc5a52da4e76aa39939ddc0f7a684ed1816e49333c5f0b023dd4a8.exe

  • Size

    601KB

  • MD5

    b13f98a26162103486925f4480878718

  • SHA1

    50a8988f32a8fb8e9a9b9b287060654972258218

  • SHA256

    7d4984c482bc5a52da4e76aa39939ddc0f7a684ed1816e49333c5f0b023dd4a8

  • SHA512

    166cefc790debbfd09f4c61ddf9d32a5b23ad128dd15f6e0915bf9ec3bb95ec9f9417033a3cd7e145d353622cff17ae21828b35217a70614430087d96aa0e04a

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdk:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4A6

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\7d4984c482bc5a52da4e76aa39939ddc0f7a684ed1816e49333c5f0b023dd4a8.exe
    "C:\Users\Admin\AppData\Local\Temp\7d4984c482bc5a52da4e76aa39939ddc0f7a684ed1816e49333c5f0b023dd4a8.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:1896
    • C:\Users\Admin\AppData\Local\Temp\n8853\s8853.exe
      "C:\Users\Admin\AppData\Local\Temp\n8853\s8853.exe" 3ca44b568b372b97f0d01d8bhMT+08DNmy620jHWmbpGD7OtvwyuotrHVgeCxmCSaaAX1oNfdme/mhtN4oT3gEd4m4fGgW2szCV/4+NeZnGVFmEx3HJg2x6I8KhnTMYbhUpPjKjBM+LEZO0SgW+xeEUnOXsuSyawxp1L7aZmHirSh3g+5qLTDB9K8RepdRM= /v "C:\Users\Admin\AppData\Local\Temp\7d4984c482bc5a52da4e76aa39939ddc0f7a684ed1816e49333c5f0b023dd4a8.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • C:\Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • \Users\Admin\AppData\Local\Temp\n8853\s8853.exe

    Filesize

    349KB

    MD5

    f42490846128abad3a6504a02c9ef12c

    SHA1

    017da52f785d1385ee7fd9a5bcb2550096166385

    SHA256

    19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

    SHA512

    983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

  • memory/1896-54-0x0000000076181000-0x0000000076183000-memory.dmp

    Filesize

    8KB

  • memory/1940-62-0x000007FEF4990000-0x000007FEF53B3000-memory.dmp

    Filesize

    10.1MB

  • memory/1940-63-0x000007FEF36B0000-0x000007FEF4746000-memory.dmp

    Filesize

    16.6MB

  • memory/1940-64-0x0000000001DE6000-0x0000000001E05000-memory.dmp

    Filesize

    124KB

  • memory/1940-65-0x000007FEEE830000-0x000007FEEF6BF000-memory.dmp

    Filesize

    14.6MB

  • memory/1940-66-0x000007FEF2690000-0x000007FEF297A000-memory.dmp

    Filesize

    2.9MB

  • memory/1940-67-0x0000000001DE6000-0x0000000001E05000-memory.dmp

    Filesize

    124KB