Analysis

  • max time kernel
    49s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:18

General

  • Target

    d109bbdf4f01ca4263309b07a458ab8b12c0cd812302d9ce8d9c80d09f825b20.exe

  • Size

    512KB

  • MD5

    de11a62f3704a76f4b43500b6c061822

  • SHA1

    99b76f21ee7e33a5a0228c7d01095eca19d15d8a

  • SHA256

    d109bbdf4f01ca4263309b07a458ab8b12c0cd812302d9ce8d9c80d09f825b20

  • SHA512

    fd08ade3f99c895941af94deed1aceb352932433fbe110988e049a334cd0ae3ec9e55163f9f117cc81c0263a260cc6b646266ffd7468d5025c531b830da8149b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4u:0+h9OY70z+warul3E4u

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\d109bbdf4f01ca4263309b07a458ab8b12c0cd812302d9ce8d9c80d09f825b20.exe
    "C:\Users\Admin\AppData\Local\Temp\d109bbdf4f01ca4263309b07a458ab8b12c0cd812302d9ce8d9c80d09f825b20.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:960
    • C:\Users\Admin\AppData\Local\Temp\n535\s535.exe
      "C:\Users\Admin\AppData\Local\Temp\n535\s535.exe" 2328d294737b720fc60f7606NGZZhoPDwX14VpQvTeoRfLmKXs8+6ErroTbm2UBjKD8H4wLvbNkbpXaTW2SBiVhD2gz8cRxKibgbvwkIoIAFJJdovz5sRnQAqDkxknEEwate3t1zAVdr3kjPeADhTdKfBQ43munY5FObe2XsFxysXLwu /v "C:\Users\Admin\AppData\Local\Temp\d109bbdf4f01ca4263309b07a458ab8b12c0cd812302d9ce8d9c80d09f825b20.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n535\s535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB

  • memory/1376-62-0x000007FEF4650000-0x000007FEF5073000-memory.dmp

    Filesize

    10.1MB

  • memory/1376-63-0x000007FEF35B0000-0x000007FEF4646000-memory.dmp

    Filesize

    16.6MB

  • memory/1376-64-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

    Filesize

    8KB

  • memory/1376-65-0x0000000001F66000-0x0000000001F85000-memory.dmp

    Filesize

    124KB

  • memory/1376-66-0x000007FEEDC20000-0x000007FEEEAAF000-memory.dmp

    Filesize

    14.6MB

  • memory/1376-67-0x000007FEF2AD0000-0x000007FEF2DBA000-memory.dmp

    Filesize

    2.9MB

  • memory/1376-68-0x0000000001F66000-0x0000000001F85000-memory.dmp

    Filesize

    124KB