Analysis

  • max time kernel
    89s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 06:57

General

  • Target

    d50a7ab3e138f50e3a1b8ea958f94f781d57461ed85a0b9372428c62cda603a0.exe

  • Size

    512KB

  • MD5

    f1ca00cec49c92c39e34abbf1d3439df

  • SHA1

    c7832ebfdbd3e8f7554fa79c2aa7ded8d694459d

  • SHA256

    d50a7ab3e138f50e3a1b8ea958f94f781d57461ed85a0b9372428c62cda603a0

  • SHA512

    e557b25e7477c39f0fc9106d4264fbb49754dcec0f1122f1988b19e8e7910a3fc1d5f9d35dd225894077f147e4bf7146052b4143062de0f852f4f4e508bd2ce3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4I:0+h9OY70z+warul3E4I

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d50a7ab3e138f50e3a1b8ea958f94f781d57461ed85a0b9372428c62cda603a0.exe
    "C:\Users\Admin\AppData\Local\Temp\d50a7ab3e138f50e3a1b8ea958f94f781d57461ed85a0b9372428c62cda603a0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\n7429\s7429.exe
      "C:\Users\Admin\AppData\Local\Temp\n7429\s7429.exe" db5155a401476085de6d6f1cRlEtwObTIjwjRDhPomZuLu4/slGnwbGzK8KBUzxtD7fXDOHkex1s4k3rHqV7ZrKzL2x4A8KKHTSELBoSgqNHkP4rmiNWE0E08u/KzpmFprvg17K3QZMq8IKkxIqUoFJCb0q6DRc7uwkewvK6E8/3vcwU /v "C:\Users\Admin\AppData\Local\Temp\d50a7ab3e138f50e3a1b8ea958f94f781d57461ed85a0b9372428c62cda603a0.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3888

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7429\s7429.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n7429\s7429.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/3888-135-0x00007FFDDEAE0000-0x00007FFDDF516000-memory.dmp

          Filesize

          10.2MB

        • memory/3888-136-0x000000000169A000-0x000000000169F000-memory.dmp

          Filesize

          20KB

        • memory/3888-137-0x000000000169A000-0x000000000169F000-memory.dmp

          Filesize

          20KB

        • memory/3888-138-0x000000000169A000-0x000000000169F000-memory.dmp

          Filesize

          20KB