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Analysis

  • max time kernel
    103s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 01:42

General

  • Target

    e316869f8a0197ba487a84e0aa9c3becdc240d780c6cfe555243b32725ab7401.exe

  • Size

    512KB

  • MD5

    7aa159c1f6ca5d3b7ffc90f80252ecb0

  • SHA1

    3ba42d692a48dd7756aee6b8bd619fcccb8a21cf

  • SHA256

    e316869f8a0197ba487a84e0aa9c3becdc240d780c6cfe555243b32725ab7401

  • SHA512

    fdb0e7449997e66c0f070f1bffeb4db77849d244ab715d8ff90a52d7ba56de8129d28f6c751168b70aaf68e8465d8ea391e8b504c6d74136d6eb8f440609e5bf

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4P:0+h9OY70z+warul3E4P

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e316869f8a0197ba487a84e0aa9c3becdc240d780c6cfe555243b32725ab7401.exe
    "C:\Users\Admin\AppData\Local\Temp\e316869f8a0197ba487a84e0aa9c3becdc240d780c6cfe555243b32725ab7401.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\n615\s615.exe
      "C:\Users\Admin\AppData\Local\Temp\n615\s615.exe" 1872723e315ffca8d805f41fVA7VrPbbfq1y1IpsNZgCzsZA2D2t7iOoI9yUttvg5zo63xUNx7axwHCf7/jzt0AiiPj43ASb2koXyz5I59BZ28HPL/ct/S3D17qFtYHlDOQeKDAzbRAYtoBwV9h93l6gR9NGnYQoqHoQnUSbImjHenhy /v "C:\Users\Admin\AppData\Local\Temp\e316869f8a0197ba487a84e0aa9c3becdc240d780c6cfe555243b32725ab7401.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n615\s615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n615\s615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1016-135-0x00007FF87C250000-0x00007FF87CC86000-memory.dmp

    Filesize

    10.2MB

  • memory/1016-136-0x0000000000E6A000-0x0000000000E6F000-memory.dmp

    Filesize

    20KB

  • memory/1016-137-0x0000000000E6A000-0x0000000000E6F000-memory.dmp

    Filesize

    20KB