Analysis

  • max time kernel
    44s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:06

General

  • Target

    bc22ad4ed9f0857aad34f28ba4f1f68b0355fae6785dd760b10d77704625895f.exe

  • Size

    512KB

  • MD5

    ba6318f733f839ca7e8d63835058b6ec

  • SHA1

    d3ed5245fb6f36cea0c76f33fbb9f123d8c395c2

  • SHA256

    bc22ad4ed9f0857aad34f28ba4f1f68b0355fae6785dd760b10d77704625895f

  • SHA512

    6c5bb2842735e616028cd76761a3cdb7596ad1ac6bc3c3c66b2ff48dd01ab16e9d34065bc40aa3e31deab9f0abfe82f93dcec3758f080938f8d330becfce87a3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4u:0+h9OY70z+warul3E4u

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\bc22ad4ed9f0857aad34f28ba4f1f68b0355fae6785dd760b10d77704625895f.exe
    "C:\Users\Admin\AppData\Local\Temp\bc22ad4ed9f0857aad34f28ba4f1f68b0355fae6785dd760b10d77704625895f.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:1468
    • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe
      "C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe" abeb1770ad2859553d3627a5OtiVFbnvKhsohdHp4lvZqi135G9JE4ytNIOKi9lpzqOHReX8zP8bbLh72LMu995u5G/Rq+jxfr96EkECnDKNBz1tJnB0d0e5bM+Q7Jp++y785Kg94roetZ0r7dLncfl8C4AD9yN0flcBbqi0p3Ex8b9i /v "C:\Users\Admin\AppData\Local\Temp\bc22ad4ed9f0857aad34f28ba4f1f68b0355fae6785dd760b10d77704625895f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1152

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1152-62-0x000007FEF49D0000-0x000007FEF53F3000-memory.dmp

          Filesize

          10.1MB

        • memory/1152-63-0x000007FEF2C50000-0x000007FEF3CE6000-memory.dmp

          Filesize

          16.6MB

        • memory/1152-64-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp

          Filesize

          8KB

        • memory/1152-65-0x0000000002096000-0x00000000020B5000-memory.dmp

          Filesize

          124KB

        • memory/1152-66-0x000007FEEE4E0000-0x000007FEEF36F000-memory.dmp

          Filesize

          14.6MB

        • memory/1152-67-0x0000000002096000-0x00000000020B5000-memory.dmp

          Filesize

          124KB

        • memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

          Filesize

          8KB