Analysis

  • max time kernel
    49s
  • max time network
    118s
  • 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

    5f45f5b471423cc32c7df8a750ce7ac6b882477a52d0d8cf5db22f1d87d9210c.exe

  • Size

    512KB

  • MD5

    84e6f9b385989931b475a91a4089ed0c

  • SHA1

    ae923e57318b97c0b98fc6e8d748069100d12e33

  • SHA256

    5f45f5b471423cc32c7df8a750ce7ac6b882477a52d0d8cf5db22f1d87d9210c

  • SHA512

    bcf94b3cbb62b9ef5be71b70bdec7ec02f96fd5f61d1708d48897d35cc816cd7184e0feaeb85676009581b10e8bca26f148c9f919e55de27e2e2b928b38b6dbd

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\5f45f5b471423cc32c7df8a750ce7ac6b882477a52d0d8cf5db22f1d87d9210c.exe
    "C:\Users\Admin\AppData\Local\Temp\5f45f5b471423cc32c7df8a750ce7ac6b882477a52d0d8cf5db22f1d87d9210c.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:1116
    • C:\Users\Admin\AppData\Local\Temp\n9679\s9679.exe
      "C:\Users\Admin\AppData\Local\Temp\n9679\s9679.exe" 874e3cca47ea4bebec90cb26nLo/saveEISWQ6ANlVF9BKxAz5cFuq7xwBfZPNyrAVFo3z9pC/TrD9oLuxQHapRkrn7gHR5q17WdROvUm80oyzv6fvnP2Os9Yf/YjOW4YdL8pFPvFj4auLyMeWOCA0+LgUjYl1cFJTKZqlcQ7zB7samm /v "C:\Users\Admin\AppData\Local\Temp\5f45f5b471423cc32c7df8a750ce7ac6b882477a52d0d8cf5db22f1d87d9210c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9679\s9679.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1116-54-0x0000000076961000-0x0000000076963000-memory.dmp

    Filesize

    8KB

  • memory/2004-59-0x0000000000000000-mapping.dmp

  • memory/2004-62-0x000007FEF49A0000-0x000007FEF53C3000-memory.dmp

    Filesize

    10.1MB

  • memory/2004-63-0x000007FEF3900000-0x000007FEF4996000-memory.dmp

    Filesize

    16.6MB

  • memory/2004-64-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

    Filesize

    8KB

  • memory/2004-65-0x0000000000836000-0x0000000000855000-memory.dmp

    Filesize

    124KB

  • memory/2004-66-0x000007FEEE790000-0x000007FEEF61F000-memory.dmp

    Filesize

    14.6MB

  • memory/2004-67-0x000007FEF2E20000-0x000007FEF310A000-memory.dmp

    Filesize

    2.9MB

  • memory/2004-68-0x0000000000836000-0x0000000000855000-memory.dmp

    Filesize

    124KB