Analysis

  • max time kernel
    123s
  • max time network
    226s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:56

General

  • Target

    935ced8a92cf3c798e27491bb331415a8201cb900df2a337eeb7257d9cd44c18.exe

  • Size

    512KB

  • MD5

    248cb9c0e5a0a4b31aae56e48fae8655

  • SHA1

    bbf0614f9bcc3b3b638054cb0df7376f7b6d0c67

  • SHA256

    935ced8a92cf3c798e27491bb331415a8201cb900df2a337eeb7257d9cd44c18

  • SHA512

    293016014f738c512a4634bedf15f0797a2b7b3d307e1d932a594df976059bb3941a51035f46eb3082facdf1572e06afed69ca6de16ca598b57fdfdd85a9075a

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4c:0+h9OY70z+warul3E4c

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\935ced8a92cf3c798e27491bb331415a8201cb900df2a337eeb7257d9cd44c18.exe
    "C:\Users\Admin\AppData\Local\Temp\935ced8a92cf3c798e27491bb331415a8201cb900df2a337eeb7257d9cd44c18.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:1348
    • C:\Users\Admin\AppData\Local\Temp\n97\s103.exe
      "C:\Users\Admin\AppData\Local\Temp\n97\s103.exe" 829258174079dd05905580daDIFh6wnXxi7BUZ8SqA5F7e2DW7lpINK6bYGLOawy8wxFDqvP3Y3SObaE2TNEVYzW4q1ysXoAO5jTehTEk+F1T6QnnqVwVpz1k0gqBf8Q02ctHrq3ELXUBTjx9AoOkcJO93a2mm/F0655sSQgkMc436kh /v "C:\Users\Admin\AppData\Local\Temp\935ced8a92cf3c798e27491bb331415a8201cb900df2a337eeb7257d9cd44c18.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n97\s103.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1188-59-0x0000000000000000-mapping.dmp

  • memory/1188-62-0x000007FEF3C50000-0x000007FEF4673000-memory.dmp

    Filesize

    10.1MB

  • memory/1188-63-0x000007FEF2BB0000-0x000007FEF3C46000-memory.dmp

    Filesize

    16.6MB

  • memory/1188-64-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/1188-65-0x000007FEEDFE0000-0x000007FEEEE6F000-memory.dmp

    Filesize

    14.6MB

  • memory/1188-66-0x000007FEEF260000-0x000007FEEF54A000-memory.dmp

    Filesize

    2.9MB

  • memory/1188-67-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/1348-54-0x0000000075C31000-0x0000000075C33000-memory.dmp

    Filesize

    8KB