Analysis

  • max time kernel
    76s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:40

General

  • Target

    7bae1bbcdd3c76efebf535cdb6035c433dd13aec3d3b224a147a7aa441955377.exe

  • Size

    512KB

  • MD5

    60cfdc932b319785de28536299d7b02b

  • SHA1

    cb79fdd75b6f64edf5bb43066e7436d5a531e7c4

  • SHA256

    7bae1bbcdd3c76efebf535cdb6035c433dd13aec3d3b224a147a7aa441955377

  • SHA512

    88e4c4a386fa27ed9a5dd4ebb53b7d207b9cc27116be4c79fb68bd682e8ed3cbaba2266f53bad9fe973a91b6a668ee5cdb4ab1308a2689140ba465bbf0928582

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4H:0+h9OY70z+warul3E4H

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\7bae1bbcdd3c76efebf535cdb6035c433dd13aec3d3b224a147a7aa441955377.exe
    "C:\Users\Admin\AppData\Local\Temp\7bae1bbcdd3c76efebf535cdb6035c433dd13aec3d3b224a147a7aa441955377.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:816
    • C:\Users\Admin\AppData\Local\Temp\n3203\s3203.exe
      "C:\Users\Admin\AppData\Local\Temp\n3203\s3203.exe" 4d319313be69fce5853b4ab6QwDG6a3PuieC2D+nsLlNuqPkE53JU+CXuHdC7047sbPRE3PCI91fTbX1y58iVqMDYI06KS0O3gnm6Z/hO7HUXYw6VMH90DJN8zkZ6AESLAzv0whdJFhuvAAGEle/O/YPHLgGbXaAGEGh2NJK0BZK7yT1 /v "C:\Users\Admin\AppData\Local\Temp\7bae1bbcdd3c76efebf535cdb6035c433dd13aec3d3b224a147a7aa441955377.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3203\s3203.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/816-54-0x0000000076711000-0x0000000076713000-memory.dmp

    Filesize

    8KB

  • memory/952-62-0x000007FEF4A00000-0x000007FEF5423000-memory.dmp

    Filesize

    10.1MB

  • memory/952-63-0x000007FEF3720000-0x000007FEF47B6000-memory.dmp

    Filesize

    16.6MB

  • memory/952-64-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB

  • memory/952-65-0x000007FEEE460000-0x000007FEEF2EF000-memory.dmp

    Filesize

    14.6MB

  • memory/952-66-0x000007FEF2C00000-0x000007FEF2EEA000-memory.dmp

    Filesize

    2.9MB

  • memory/952-67-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB