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Analysis

  • max time kernel
    168s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:38

General

  • Target

    14c123ff2a9809d741344757adc6f074744caadbebe4c432cc30bcdb46965c81.exe

  • Size

    512KB

  • MD5

    35dbe4613b0de5f00ed7fe8508adc6a7

  • SHA1

    4cdc2cc52220f4c1ac87b061a02bfb5b255b1fde

  • SHA256

    14c123ff2a9809d741344757adc6f074744caadbebe4c432cc30bcdb46965c81

  • SHA512

    eeb6cc9f11d4f514bedcfd87a998316c597cc008ac279d4bd4be84634c3535a874f202630326c8290394afac0216563035a873212e8e0cc8864c475f035973fc

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4b:0+h9OY70z+warul3E4b

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\14c123ff2a9809d741344757adc6f074744caadbebe4c432cc30bcdb46965c81.exe
    "C:\Users\Admin\AppData\Local\Temp\14c123ff2a9809d741344757adc6f074744caadbebe4c432cc30bcdb46965c81.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:4600
    • C:\Users\Admin\AppData\Local\Temp\n1788\s1788.exe
      "C:\Users\Admin\AppData\Local\Temp\n1788\s1788.exe" 2c934cfbb0345d4fd1d058086rgtmO6VeuTp2FlGMUaVb9q8prCVAGzU/eHC8IFfwZOjYhoL+51L2mAwCxsj8q0UBA+ZV+Ji7ZFxKPSjoUfmPXXvZ5z1kjGHAyauqY5i6IYjLkoVCi3vuG4PkPNrtvvCGUAvKPTPoW/q3vl8YgDKTeE= /v "C:\Users\Admin\AppData\Local\Temp\14c123ff2a9809d741344757adc6f074744caadbebe4c432cc30bcdb46965c81.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:1380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1788\s1788.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1788\s1788.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1380-135-0x00007FFE51EC0000-0x00007FFE528F6000-memory.dmp

    Filesize

    10.2MB

  • memory/1380-136-0x0000000000C9A000-0x0000000000C9F000-memory.dmp

    Filesize

    20KB

  • memory/1380-137-0x0000000000C9A000-0x0000000000C9F000-memory.dmp

    Filesize

    20KB

  • memory/1380-138-0x0000000000C9A000-0x0000000000C9F000-memory.dmp

    Filesize

    20KB