Analysis

  • max time kernel
    48s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:53

General

  • Target

    5fc260342b20c8765058f74a03704649c121481c770cf4c70102c39c3fd07cb1.exe

  • Size

    512KB

  • MD5

    9dd73a90692aa7805d01ae101bc30295

  • SHA1

    7151c1116b0dab331f6889ff5e3078d56a0b144a

  • SHA256

    5fc260342b20c8765058f74a03704649c121481c770cf4c70102c39c3fd07cb1

  • SHA512

    fe4d41c254499de368ab514d0878f28ee1bcd39ae161dab1b9ba2e8d2bde5069e8304dec68e56198fae5822ce07c174174523b1141317341b206a77f46a079d3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4T:0+h9OY70z+warul3E4T

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\5fc260342b20c8765058f74a03704649c121481c770cf4c70102c39c3fd07cb1.exe
    "C:\Users\Admin\AppData\Local\Temp\5fc260342b20c8765058f74a03704649c121481c770cf4c70102c39c3fd07cb1.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:1696
    • C:\Users\Admin\AppData\Local\Temp\n7579\s7579.exe
      "C:\Users\Admin\AppData\Local\Temp\n7579\s7579.exe" 88c7b1f01011ad9be5defc06Y71K2Zf4cSuPwmWStHsTGJujwIAfX8Zv6Ierd6OALlVy8o7w7hSs9bakePe8XNhFYGbmgP4pelAELswfbw/akjPlHNKK+NhFXXHiVK7e2b5ue5rvbVoZhj3PoOMTPXifHcuD3TgaOFIJGHeUkI5SKbLv /v "C:\Users\Admin\AppData\Local\Temp\5fc260342b20c8765058f74a03704649c121481c770cf4c70102c39c3fd07cb1.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7579\s7579.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1688-62-0x000007FEF4930000-0x000007FEF5353000-memory.dmp

    Filesize

    10.1MB

  • memory/1688-63-0x000007FEEE160000-0x000007FEEF1F6000-memory.dmp

    Filesize

    16.6MB

  • memory/1688-64-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

    Filesize

    8KB

  • memory/1688-65-0x0000000000BD6000-0x0000000000BF5000-memory.dmp

    Filesize

    124KB

  • memory/1688-66-0x000007FEEF2A0000-0x000007FEF012F000-memory.dmp

    Filesize

    14.6MB

  • memory/1688-67-0x000007FEF3E50000-0x000007FEF413A000-memory.dmp

    Filesize

    2.9MB

  • memory/1688-68-0x0000000000BD6000-0x0000000000BF5000-memory.dmp

    Filesize

    124KB

  • memory/1696-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB