Analysis

  • max time kernel
    96s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:28

General

  • Target

    9bdd4a23387cbb7c24494c5a6d5259716ecde3df5d7400f4e2af45d4aac0dcad.exe

  • Size

    512KB

  • MD5

    8a9b632f7ef6f7c250ec997a4f51ddfe

  • SHA1

    537c39230fb2afaabb020857bca33f1c762f3740

  • SHA256

    9bdd4a23387cbb7c24494c5a6d5259716ecde3df5d7400f4e2af45d4aac0dcad

  • SHA512

    eb497e7d87010d3a9cd18b4e3e8eeb35aa50675189bda2478a5575a88783e1aa0f52f638785e58a07ad7cd054080530d075c4f9be5e9605a50717fad5e68f7f4

  • 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\9bdd4a23387cbb7c24494c5a6d5259716ecde3df5d7400f4e2af45d4aac0dcad.exe
    "C:\Users\Admin\AppData\Local\Temp\9bdd4a23387cbb7c24494c5a6d5259716ecde3df5d7400f4e2af45d4aac0dcad.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:2020
    • C:\Users\Admin\AppData\Local\Temp\n679\s679.exe
      "C:\Users\Admin\AppData\Local\Temp\n679\s679.exe" ac40daa79f9dab4a1e60e30ernmcjKJhKZesXJA8H0sAk478cpLB2jtgoRm1Ftxuvd0gF53uUIM77g4kD25P0TGsPj0CA8hP8+J/BizV8DirUQejX9ekjJsjVEPKRPAqRwZFN5AjDP1YpevyXEjyvzfNFmDdOrIwSH1N6FVTN98T6ECY /v "C:\Users\Admin\AppData\Local\Temp\9bdd4a23387cbb7c24494c5a6d5259716ecde3df5d7400f4e2af45d4aac0dcad.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n679\s679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1188-62-0x000007FEF4130000-0x000007FEF4B53000-memory.dmp

    Filesize

    10.1MB

  • memory/1188-63-0x000007FEF2E50000-0x000007FEF3EE6000-memory.dmp

    Filesize

    16.6MB

  • memory/1188-64-0x000007FEFBB11000-0x000007FEFBB13000-memory.dmp

    Filesize

    8KB

  • memory/1188-65-0x0000000000C56000-0x0000000000C75000-memory.dmp

    Filesize

    124KB

  • memory/1188-66-0x000007FEEE400000-0x000007FEEF28F000-memory.dmp

    Filesize

    14.6MB

  • memory/1188-67-0x000007FEF24E0000-0x000007FEF27CA000-memory.dmp

    Filesize

    2.9MB

  • memory/1188-68-0x0000000000C56000-0x0000000000C75000-memory.dmp

    Filesize

    124KB

  • memory/2020-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

    Filesize

    8KB