Analysis

  • max time kernel
    151s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 22:59

General

  • Target

    d7230994cd3404d93b639b07c4a8e082216687fa12f1ca0a30138319e0634179.exe

  • Size

    512KB

  • MD5

    89bfc3f981ea4f8ba023de90f8a4973e

  • SHA1

    bf8186474b1d5404b5d2538e292081833e86a293

  • SHA256

    d7230994cd3404d93b639b07c4a8e082216687fa12f1ca0a30138319e0634179

  • SHA512

    0ebcd1abb54f3c63da1cfc6ec7920611aa0945c86c57bc66bc3208d554eea113c168903adf88b636d9fbc9429ed38cd1c691681ce0937e0232a7c08062101545

  • 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\d7230994cd3404d93b639b07c4a8e082216687fa12f1ca0a30138319e0634179.exe
    "C:\Users\Admin\AppData\Local\Temp\d7230994cd3404d93b639b07c4a8e082216687fa12f1ca0a30138319e0634179.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:1956
    • C:\Users\Admin\AppData\Local\Temp\n8845\s8845.exe
      "C:\Users\Admin\AppData\Local\Temp\n8845\s8845.exe" 6fdae4b82079ced427e4dcbfgRtRZuMyUB3dCfn5t50VK6LwBomoXVNkem2QPiK0/GFAl5Sl1M6FOPVsCQahT3vUwmdJlN32JIqO5VHOKBQqQbmvr8ii9Uz+F0Ip9NVUrHW0wfHy7/di8kR/rZxXJl1NejQBq7fpdGBjGZ7zubzDfIyg /v "C:\Users\Admin\AppData\Local\Temp\d7230994cd3404d93b639b07c4a8e082216687fa12f1ca0a30138319e0634179.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1096

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n8845\s8845.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1096-62-0x000007FEF3A90000-0x000007FEF44B3000-memory.dmp

          Filesize

          10.1MB

        • memory/1096-63-0x000007FEF29F0000-0x000007FEF3A86000-memory.dmp

          Filesize

          16.6MB

        • memory/1096-64-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/1096-65-0x000007FEEE200000-0x000007FEEF08F000-memory.dmp

          Filesize

          14.6MB

        • memory/1096-66-0x000007FEF2700000-0x000007FEF29EA000-memory.dmp

          Filesize

          2.9MB

        • memory/1096-67-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/1096-68-0x00000000009C6000-0x00000000009E5000-memory.dmp

          Filesize

          124KB

        • memory/1956-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

          Filesize

          8KB