Analysis

  • max time kernel
    47s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:25

General

  • Target

    7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.exe

  • Size

    512KB

  • MD5

    ba6dfd7cc98439a6642d4eadcbfcc801

  • SHA1

    b092549bb78c55d2ae89bb990bf869ad3a9721b3

  • SHA256

    7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443

  • SHA512

    4793455ca86e05d474fbcd6817861952b8a1a0165d168a7dbf2cace888f6b776b34440a32abd90045518a63188b04060d069985f4e6bbb99ce87c4a324ea1567

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4K:0+h9OY70z+warul3E4K

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\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.exe
    "C:\Users\Admin\AppData\Local\Temp\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.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:1792
    • C:\Users\Admin\AppData\Local\Temp\n3647\s3647.exe
      "C:\Users\Admin\AppData\Local\Temp\n3647\s3647.exe" 1019bad22cfc6b8654edf0397cjlJMKg4LZ+CwA15Va87J8VtPiCc8tUbMNC0GT3Ir1MMOJg4+AGUdNj9Ipge+W89CT0aimuDlyGMSToKEFasrbPTTqW/oeddZwulSEW8hiO1NLD1vhiAp7Y71LpW35S5TK3/SBWoo7ydG9F3PXcqAO7 /v "C:\Users\Admin\AppData\Local\Temp\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:932

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3647\s3647.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/932-62-0x000007FEF35B0000-0x000007FEF3FD3000-memory.dmp

          Filesize

          10.1MB

        • memory/932-63-0x000007FEF2510000-0x000007FEF35A6000-memory.dmp

          Filesize

          16.6MB

        • memory/932-64-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

          Filesize

          8KB

        • memory/932-65-0x0000000000B66000-0x0000000000B85000-memory.dmp

          Filesize

          124KB

        • memory/932-66-0x000007FEED220000-0x000007FEEE0AF000-memory.dmp

          Filesize

          14.6MB

        • memory/932-67-0x000007FEEEE50000-0x000007FEEF13A000-memory.dmp

          Filesize

          2.9MB

        • memory/932-68-0x0000000000B66000-0x0000000000B85000-memory.dmp

          Filesize

          124KB

        • memory/1792-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

          Filesize

          8KB