Analysis

  • max time kernel
    168s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 14:15

General

  • Target

    d3749c50361b2167f10efd6261dc4dae30fbcbb429380ba1256880b2f7ccf2e1.exe

  • Size

    512KB

  • MD5

    1b102d721f4c1476a93b9433e1b03bab

  • SHA1

    68112f718c20623ec327af9f9031b2eb9b427e8a

  • SHA256

    d3749c50361b2167f10efd6261dc4dae30fbcbb429380ba1256880b2f7ccf2e1

  • SHA512

    3bfd229585acfa63fc675388be393c81ba337879ba8dfeb44c3f8d9321d959d554e5d7356bfad0e4cb9e938b35a7bb1d153795bb3dbb4b81754fc776b9805a46

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4n:0+h9OY70z+warul3E4n

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 3 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\d3749c50361b2167f10efd6261dc4dae30fbcbb429380ba1256880b2f7ccf2e1.exe
    "C:\Users\Admin\AppData\Local\Temp\d3749c50361b2167f10efd6261dc4dae30fbcbb429380ba1256880b2f7ccf2e1.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:4684
    • C:\Users\Admin\AppData\Local\Temp\n2512\s2512.exe
      "C:\Users\Admin\AppData\Local\Temp\n2512\s2512.exe" 8e601e59a433f3fd94e49811KBMa79HTnuQ9BO+CkXA9lSnkGk0UddHkAp6AjpzIBgSgxghb/COrbWWrTamHIeMXXCvv3C+FBO18uZTIVKhRfsEcPsJviO/y2el8OcECm/iVOUSLIdk5VO1EAVUFYU70zq5lUXCBJ8I3EeswfbBschb1 /v "C:\Users\Admin\AppData\Local\Temp\d3749c50361b2167f10efd6261dc4dae30fbcbb429380ba1256880b2f7ccf2e1.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:212

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2512\s2512.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2512\s2512.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/212-135-0x000000001C0E0000-0x000000001CB16000-memory.dmp

          Filesize

          10.2MB

        • memory/212-136-0x0000000000BCA000-0x0000000000BCF000-memory.dmp

          Filesize

          20KB

        • memory/212-137-0x0000000000BCA000-0x0000000000BCF000-memory.dmp

          Filesize

          20KB

        • memory/212-138-0x0000000000BCA000-0x0000000000BCF000-memory.dmp

          Filesize

          20KB