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Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:17

General

  • Target

    a924257058d90fc66d2166658130e1259e2cda19944b3066322528debd72ffea.exe

  • Size

    512KB

  • MD5

    af6c5f7306cc871f886c13ee82a0808b

  • SHA1

    6afdf9d5226bde7c292616b3836a30e51b836093

  • SHA256

    a924257058d90fc66d2166658130e1259e2cda19944b3066322528debd72ffea

  • SHA512

    e5c122ed6d1898bc1d041ee7ae652ff634087e944e6fcc39adbff3461e5329404a5d8967cd09c2c92f87dac2f87cb68ca6a8aa18fbcbad2b1f6ed7a6621fd4df

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4z:0+h9OY70z+warul3E4z

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\a924257058d90fc66d2166658130e1259e2cda19944b3066322528debd72ffea.exe
    "C:\Users\Admin\AppData\Local\Temp\a924257058d90fc66d2166658130e1259e2cda19944b3066322528debd72ffea.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:1908
    • C:\Users\Admin\AppData\Local\Temp\n2239\s2239.exe
      "C:\Users\Admin\AppData\Local\Temp\n2239\s2239.exe" 7847344f1950f506f9bfb324SsGdDxBjznMpb+pGzyS8cZnqn1P6t7IJ6Ar1/oDEv4fgkFntuKGw8xQO4gsZ3+l+mbVeY5I63WfuylxJjT1l4dAfAfxPqbiPprgyaOnKhBjBqr4y1ma7M+jnz/OdmqiicOJ9D9DC1rulnYiwrP/tnQHZ /v "C:\Users\Admin\AppData\Local\Temp\a924257058d90fc66d2166658130e1259e2cda19944b3066322528debd72ffea.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2239\s2239.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1048-62-0x000007FEF3FB0000-0x000007FEF49D3000-memory.dmp

    Filesize

    10.1MB

  • memory/1048-63-0x000007FEF2F10000-0x000007FEF3FA6000-memory.dmp

    Filesize

    16.6MB

  • memory/1048-64-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp

    Filesize

    8KB

  • memory/1048-66-0x0000000000AB6000-0x0000000000AD5000-memory.dmp

    Filesize

    124KB

  • memory/1048-65-0x000007FEEE2F0000-0x000007FEEF17F000-memory.dmp

    Filesize

    14.6MB

  • memory/1048-67-0x000007FEF2430000-0x000007FEF271A000-memory.dmp

    Filesize

    2.9MB

  • memory/1048-68-0x0000000000AB6000-0x0000000000AD5000-memory.dmp

    Filesize

    124KB

  • memory/1908-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB