Analysis

  • max time kernel
    232s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 23:51

General

  • Target

    36614559fb51eaee7249bbf0b0206694ea01b488cdcae9343ca88bc5cab4fd30.exe

  • Size

    512KB

  • MD5

    8524f8a6bc14cc423c1ea34873253cbc

  • SHA1

    0581820942dd585690908798aea0653ce5ab1d05

  • SHA256

    36614559fb51eaee7249bbf0b0206694ea01b488cdcae9343ca88bc5cab4fd30

  • SHA512

    6ba3440ca207013db07eb8d5acf3e8c6dc5e86907a333f20d095bc72ef72db699b366beefaa71e2fe768dc928bdb2d6c69b8829fa7ae2149f148ecd99b7e8a56

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

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\36614559fb51eaee7249bbf0b0206694ea01b488cdcae9343ca88bc5cab4fd30.exe
    "C:\Users\Admin\AppData\Local\Temp\36614559fb51eaee7249bbf0b0206694ea01b488cdcae9343ca88bc5cab4fd30.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:944
    • C:\Users\Admin\AppData\Local\Temp\n2243\s2243.exe
      "C:\Users\Admin\AppData\Local\Temp\n2243\s2243.exe" 01ac75d19154fa749e3ab29f+546hycW2uGrkSmoh2RLbV+LINLy/5VpWiU9QuWt7A1kgsUR22j3XGerd0dYhgWVh2QIhJh/3KQcQexPzD590HpuTxZzyIOOpeHM7uq/GNsL2v61oxUphE8m5N8W9pDOZigrJAYuMTpjq2bnUiHdzK8q /v "C:\Users\Admin\AppData\Local\Temp\36614559fb51eaee7249bbf0b0206694ea01b488cdcae9343ca88bc5cab4fd30.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1592

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2243\s2243.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/944-54-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/1592-62-0x000007FEF3110000-0x000007FEF3B33000-memory.dmp

    Filesize

    10.1MB

  • memory/1592-63-0x000007FEEE010000-0x000007FEEF0A6000-memory.dmp

    Filesize

    16.6MB

  • memory/1592-64-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB

  • memory/1592-65-0x000007FEECAD0000-0x000007FEED95F000-memory.dmp

    Filesize

    14.6MB

  • memory/1592-66-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB

  • memory/1592-67-0x000007FEF22D0000-0x000007FEF25BA000-memory.dmp

    Filesize

    2.9MB

  • memory/1592-68-0x0000000000A76000-0x0000000000A95000-memory.dmp

    Filesize

    124KB