Analysis

  • max time kernel
    44s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 14:44

General

  • Target

    269ce1962c05316b9c9b5b73c23b0599d8da6225d482254ad775af4d3d740f99.exe

  • Size

    512KB

  • MD5

    26912681575362901799b719e404004d

  • SHA1

    f4a326f854b853fe3bd58d835f7de351b9696be6

  • SHA256

    269ce1962c05316b9c9b5b73c23b0599d8da6225d482254ad775af4d3d740f99

  • SHA512

    4098d6ad8fb50665209406308ecf9ddd84c3db16acfe566fecda270584bbde81bbf58fec5a50951255f9b034759b95eafd3d420006c9c8966236a081815779e2

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E44:0+h9OY70z+warul3E44

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\269ce1962c05316b9c9b5b73c23b0599d8da6225d482254ad775af4d3d740f99.exe
    "C:\Users\Admin\AppData\Local\Temp\269ce1962c05316b9c9b5b73c23b0599d8da6225d482254ad775af4d3d740f99.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:2016
    • C:\Users\Admin\AppData\Local\Temp\n4615\s4615.exe
      "C:\Users\Admin\AppData\Local\Temp\n4615\s4615.exe" 8415390f974c03fbcdd43b05hupjRDQn/4SQ7hR/5nn17iWwmtJDxGoaPQBhxfh+ZUTQisglVebum8a7kISyLvXA+Vl4QRZK7lFrzbZjnAznGCKtlme13Z1nlIEEsguGyC0ZFnJLp/90h0XqVks0rer9qOL/PwDZNLK9zqGqI9tVT2Lj /v "C:\Users\Admin\AppData\Local\Temp\269ce1962c05316b9c9b5b73c23b0599d8da6225d482254ad775af4d3d740f99.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4615\s4615.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1924-62-0x000007FEF48A0000-0x000007FEF52C3000-memory.dmp

    Filesize

    10.1MB

  • memory/1924-63-0x000007FEF3800000-0x000007FEF4896000-memory.dmp

    Filesize

    16.6MB

  • memory/1924-64-0x00000000020E6000-0x0000000002105000-memory.dmp

    Filesize

    124KB

  • memory/1924-65-0x000007FEEE5C0000-0x000007FEEF44F000-memory.dmp

    Filesize

    14.6MB

  • memory/1924-66-0x000007FEF2D20000-0x000007FEF300A000-memory.dmp

    Filesize

    2.9MB

  • memory/1924-67-0x00000000020E6000-0x0000000002105000-memory.dmp

    Filesize

    124KB

  • memory/2016-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

    Filesize

    8KB