Analysis

  • max time kernel
    87s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 22:50

General

  • Target

    36f0d830b563525e8be57804ce0b663914d830ba5fd5d9ebdcc6779b81c33d79.exe

  • Size

    512KB

  • MD5

    17a38d3ca32e93ebeb65920bf4beb02a

  • SHA1

    8b7cefa568060e2986a08a3df3a36dfb7b3fbaa1

  • SHA256

    36f0d830b563525e8be57804ce0b663914d830ba5fd5d9ebdcc6779b81c33d79

  • SHA512

    15506babd6f2b6fa73255939ae73f5029473acf150ca543e73e34b1cf2ee89f5d3873cdfd09607b208ec87cf9e6b6cf1e4c997966210f69633eb1e02b8387013

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4m:0+h9OY70z+warul3E4m

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\36f0d830b563525e8be57804ce0b663914d830ba5fd5d9ebdcc6779b81c33d79.exe
    "C:\Users\Admin\AppData\Local\Temp\36f0d830b563525e8be57804ce0b663914d830ba5fd5d9ebdcc6779b81c33d79.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:888
    • C:\Users\Admin\AppData\Local\Temp\n4838\s4838.exe
      "C:\Users\Admin\AppData\Local\Temp\n4838\s4838.exe" 8419dbb27e79f4a3622212e7n+uML09SyeQxt9efoUlHk0xOhixwOuqba0OUS93BhTyb0orT8izNVMchjTkPP25SUAb57t1+MtHxOtchrt3PqZitasZz7ebDTitY9L1pxnh8UxqDv2dwOceBZE2zE2csrFXaB0AENQt2CfoxikFiqvbJ /v "C:\Users\Admin\AppData\Local\Temp\36f0d830b563525e8be57804ce0b663914d830ba5fd5d9ebdcc6779b81c33d79.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4838\s4838.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/444-62-0x000007FEF4A00000-0x000007FEF5423000-memory.dmp

    Filesize

    10.1MB

  • memory/444-63-0x000007FEF3720000-0x000007FEF47B6000-memory.dmp

    Filesize

    16.6MB

  • memory/444-64-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB

  • memory/444-65-0x000007FEEED00000-0x000007FEEFB8F000-memory.dmp

    Filesize

    14.6MB

  • memory/444-66-0x000007FEF2DB0000-0x000007FEF309A000-memory.dmp

    Filesize

    2.9MB

  • memory/444-67-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB

  • memory/444-68-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB

  • memory/888-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB