Analysis

  • max time kernel
    82s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 22:16

General

  • Target

    db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe

  • Size

    512KB

  • MD5

    e5fa279781277b1da5d9e8c6cb50171b

  • SHA1

    e0705e78a04a5bc75b7e9a770b53b19c788b6a50

  • SHA256

    db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25

  • SHA512

    c8a85b2b678a714b821fc158d7ec3b61114340d52a75218e24e8a7e8b3682a0299ffe8b72a70c87c74c5e5c35ecb631f1ec72393564b23590ef28c3d40e99d6b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4S:0+h9OY70z+warul3E4S

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\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe
    "C:\Users\Admin\AppData\Local\Temp\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.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:1356
    • C:\Users\Admin\AppData\Local\Temp\n6249\s6253.exe
      "C:\Users\Admin\AppData\Local\Temp\n6249\s6253.exe" 7a2f8d237e94baae36f98e4e5XEgqwdAMLDz6Q97orpG7RZOoJwaRqrp7lcX5i5LRWITtYjpYunb667paaNTpoSMzdA2IZI2PUs4fUli5caeJ7bqXK5H9ERrn3nTtYJS8cuoXA36j8LvUz5x/p39uGkireQY4hmxxcK8eI+ucfjN5QVN /v "C:\Users\Admin\AppData\Local\Temp\db53e191016652f72f4a742d38a2b99ca3cbb22ec9d163699e65306667d6ce25.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n6249\s6253.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/832-62-0x000007FEF39D0000-0x000007FEF43F3000-memory.dmp

    Filesize

    10.1MB

  • memory/832-63-0x000007FEF2930000-0x000007FEF39C6000-memory.dmp

    Filesize

    16.6MB

  • memory/832-64-0x0000000000C66000-0x0000000000C85000-memory.dmp

    Filesize

    124KB

  • memory/832-65-0x000007FEEE640000-0x000007FEEF4CF000-memory.dmp

    Filesize

    14.6MB

  • memory/832-66-0x000007FEEE350000-0x000007FEEE63A000-memory.dmp

    Filesize

    2.9MB

  • memory/832-67-0x0000000000C66000-0x0000000000C85000-memory.dmp

    Filesize

    124KB

  • memory/1356-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

    Filesize

    8KB