Analysis

  • max time kernel
    46s
  • 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 11:39

General

  • Target

    67207a9933691e2494f83d188164aaa654b5c4d1157544e9d2e1299249c3d397.exe

  • Size

    512KB

  • MD5

    998ba00a19b2aff51fc429bd1321cc02

  • SHA1

    d1f6e26e128813cc223e29eab4d7dba6991e9998

  • SHA256

    67207a9933691e2494f83d188164aaa654b5c4d1157544e9d2e1299249c3d397

  • SHA512

    2d490df4398869fa66d76daa2734ad6ec963224598b924a8e455daf4e6019a18393550db99c56281cfc5be5dce323a47e4b2ff42c6498d81a457fb53b158c744

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4O:0+h9OY70z+warul3E4O

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\67207a9933691e2494f83d188164aaa654b5c4d1157544e9d2e1299249c3d397.exe
    "C:\Users\Admin\AppData\Local\Temp\67207a9933691e2494f83d188164aaa654b5c4d1157544e9d2e1299249c3d397.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:1500
    • C:\Users\Admin\AppData\Local\Temp\n5501\s5501.exe
      "C:\Users\Admin\AppData\Local\Temp\n5501\s5501.exe" 6cf1508d994c523fb7c2e649v9S3XowkJiVhcX7bGivWScxRpmcf55gFXulkhoi0ODa36gjBbUPSpQheOK/wEd08FBRKJUU/w/7EmpzYp5fAYU0qqvimtuuTJfyTJlwfNfp+opIOSHtATm/x2SvGHudwh3PO3UEXB/fRtMCn/cGZjCRJ /v "C:\Users\Admin\AppData\Local\Temp\67207a9933691e2494f83d188164aaa654b5c4d1157544e9d2e1299249c3d397.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5501\s5501.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1500-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

    Filesize

    8KB

  • memory/1716-59-0x0000000000000000-mapping.dmp

  • memory/1716-62-0x000007FEF4310000-0x000007FEF4D33000-memory.dmp

    Filesize

    10.1MB

  • memory/1716-63-0x000007FEF2590000-0x000007FEF3626000-memory.dmp

    Filesize

    16.6MB

  • memory/1716-64-0x0000000002016000-0x0000000002035000-memory.dmp

    Filesize

    124KB

  • memory/1716-65-0x000007FEEE150000-0x000007FEEEFDF000-memory.dmp

    Filesize

    14.6MB

  • memory/1716-66-0x000007FEF3830000-0x000007FEF3B1A000-memory.dmp

    Filesize

    2.9MB

  • memory/1716-67-0x0000000002016000-0x0000000002035000-memory.dmp

    Filesize

    124KB