Analysis

  • max time kernel
    223s
  • max time network
    228s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 13:46

General

  • Target

    2a3c4869064b12173d3623158fdcca64c4f169223456ca0b53735ead11c60e97.exe

  • Size

    512KB

  • MD5

    968b7293f40aa1846ff76f703bd04ad3

  • SHA1

    2716f68174eb09c247607ed4ab86065f3a7f5def

  • SHA256

    2a3c4869064b12173d3623158fdcca64c4f169223456ca0b53735ead11c60e97

  • SHA512

    d4b0018851385fa5e3e3e2177e2eb84a18c8ba2bddc14f151e7ff680942564a3b2592adc33467fcf1da2a639226073d298bc3cab5a36db4c780c5cb0fd43984b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4I2:0+h9OY70z+warul3E4I2

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\2a3c4869064b12173d3623158fdcca64c4f169223456ca0b53735ead11c60e97.exe
    "C:\Users\Admin\AppData\Local\Temp\2a3c4869064b12173d3623158fdcca64c4f169223456ca0b53735ead11c60e97.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:1312
    • C:\Users\Admin\AppData\Local\Temp\n1623\s1623.exe
      "C:\Users\Admin\AppData\Local\Temp\n1623\s1623.exe" 6a45b20dd839babd5bf743b19l4EExrZayDPcnnWzvKZBSmcTXAc4tJRXlSqE3YqibI1G0CrnG8heYzXUTHE+2FlRRmk92VBVxqL7myNDrgWlaCLzmBBI4WrtWmPsL4eSjT4oqGpD664TybJRVifjklMSzi9QK4lWqkmbJF4HeH0FTdZ /v "C:\Users\Admin\AppData\Local\Temp\2a3c4869064b12173d3623158fdcca64c4f169223456ca0b53735ead11c60e97.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1623\s1623.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/952-62-0x000007FEF3DC0000-0x000007FEF47E3000-memory.dmp

          Filesize

          10.1MB

        • memory/952-63-0x000007FEF2D20000-0x000007FEF3DB6000-memory.dmp

          Filesize

          16.6MB

        • memory/952-64-0x000007FEFC1B1000-0x000007FEFC1B3000-memory.dmp

          Filesize

          8KB

        • memory/952-65-0x0000000000B66000-0x0000000000B85000-memory.dmp

          Filesize

          124KB

        • memory/952-66-0x000007FEEEA40000-0x000007FEEF8CF000-memory.dmp

          Filesize

          14.6MB

        • memory/952-67-0x000007FEF2A30000-0x000007FEF2D1A000-memory.dmp

          Filesize

          2.9MB

        • memory/952-68-0x0000000000B66000-0x0000000000B85000-memory.dmp

          Filesize

          124KB

        • memory/1312-54-0x0000000075831000-0x0000000075833000-memory.dmp

          Filesize

          8KB