Analysis

  • max time kernel
    52s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 16:48

General

  • Target

    aff4da12f957c306d9ca509da821fa7ca01d9fbb06affd35cba619471f397474.exe

  • Size

    512KB

  • MD5

    fd0d0f01efd17c9b8d7b9fea15f4c362

  • SHA1

    e8e6b00ddc1ebc8c7cef2cd872b9ecd94c6c1e6e

  • SHA256

    aff4da12f957c306d9ca509da821fa7ca01d9fbb06affd35cba619471f397474

  • SHA512

    0aa771d00d9e5eba34c3134f66a4fe24c5f9e9b512466fd1ece998da9f56264ed6535095775cfd2cb4f53ac3bc5bad8cd69d473094d6f34cd7f8d565793ff3e5

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4N:0+h9OY70z+warul3E4N

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\aff4da12f957c306d9ca509da821fa7ca01d9fbb06affd35cba619471f397474.exe
    "C:\Users\Admin\AppData\Local\Temp\aff4da12f957c306d9ca509da821fa7ca01d9fbb06affd35cba619471f397474.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:1752
    • C:\Users\Admin\AppData\Local\Temp\n6929\s6929.exe
      "C:\Users\Admin\AppData\Local\Temp\n6929\s6929.exe" 777f320edc86829cd958dfafJUcTHxEAl977CRsGgctS5sZZ1YECSJXSDBYf9u9X6alxfQsvqhdPhbOhQFb/ikepTscs2xC+wQTFXdDiMjctDvG/idMzj5XLS4RmUy84E5z8SsutnfdpomLv3rnVhVY0wOMALSyHv0pCquuJS4b1+/52 /v "C:\Users\Admin\AppData\Local\Temp\aff4da12f957c306d9ca509da821fa7ca01d9fbb06affd35cba619471f397474.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n6929\s6929.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1520-62-0x000007FEF31B0000-0x000007FEF3BD3000-memory.dmp

          Filesize

          10.1MB

        • memory/1520-63-0x000007FEF2110000-0x000007FEF31A6000-memory.dmp

          Filesize

          16.6MB

        • memory/1520-64-0x0000000001EC6000-0x0000000001EE5000-memory.dmp

          Filesize

          124KB

        • memory/1520-65-0x000007FEED980000-0x000007FEEE80F000-memory.dmp

          Filesize

          14.6MB

        • memory/1520-66-0x000007FEF1E20000-0x000007FEF210A000-memory.dmp

          Filesize

          2.9MB

        • memory/1520-67-0x0000000001EC6000-0x0000000001EE5000-memory.dmp

          Filesize

          124KB

        • memory/1752-54-0x0000000075111000-0x0000000075113000-memory.dmp

          Filesize

          8KB