Analysis

  • max time kernel
    150s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 07:55

General

  • Target

    5a97a5719b19cc251bfe8aa7e7ddf5b6b820c2e8c2e172fd60213a24bf93ecbd.exe

  • Size

    512KB

  • MD5

    0d882aad1916f8fa897b361d3e6c2051

  • SHA1

    2c43e95540b82ae7eec651f3ca1ce1f35667b2da

  • SHA256

    5a97a5719b19cc251bfe8aa7e7ddf5b6b820c2e8c2e172fd60213a24bf93ecbd

  • SHA512

    3db2924b5c3dbe0a88ba293eb720a0acf7ab89dd8b903b9454e96add3d16a814d9d6bed758c349c93ecd242dbf00a5597516755e693b09b24d594200337b8045

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

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\5a97a5719b19cc251bfe8aa7e7ddf5b6b820c2e8c2e172fd60213a24bf93ecbd.exe
    "C:\Users\Admin\AppData\Local\Temp\5a97a5719b19cc251bfe8aa7e7ddf5b6b820c2e8c2e172fd60213a24bf93ecbd.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:1976
    • C:\Users\Admin\AppData\Local\Temp\n2252\s2252.exe
      "C:\Users\Admin\AppData\Local\Temp\n2252\s2252.exe" 31d6a23b8c1ec3bb059d8d34rTyZfo2X2hDlBfZa60j/Pe43y2h/RqIJ/GFut/7uYzbO1Samef3rI0zCjSZhnQfb4I9bPvCkSQMk3JuD5oUlUAtazyp5p7g1bKnHl5TzQZYQrdkIEgYGkl6ThnzRC9Z67BhF2kOFc++uSyIf9IppifiF /v "C:\Users\Admin\AppData\Local\Temp\5a97a5719b19cc251bfe8aa7e7ddf5b6b820c2e8c2e172fd60213a24bf93ecbd.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:4120

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2252\s2252.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2252\s2252.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/4120-135-0x00007FF8CC8F0000-0x00007FF8CD326000-memory.dmp

          Filesize

          10.2MB

        • memory/4120-136-0x00000000011DA000-0x00000000011DF000-memory.dmp

          Filesize

          20KB