Analysis

  • max time kernel
    67s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 00:34

General

  • Target

    608ead25a9974b86ffe967ac8c4f0f3e1487ea7263726d84a162d56cb241db69.exe

  • Size

    512KB

  • MD5

    3e5b65ef8ae00f2a3401baae6bbbe7a9

  • SHA1

    2934051181b9eac8b29290f19fa1ac806d9e7c61

  • SHA256

    608ead25a9974b86ffe967ac8c4f0f3e1487ea7263726d84a162d56cb241db69

  • SHA512

    a89a1140d2818805ddcefd6c13b015cae174b438b6aa565df83963e9d22bc9ec246f37b514c13d73b3e0626cb8182e3ea361b3a07c4beebb332ad35ef401657a

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4C:0+h9OY70z+warul3E4C

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\608ead25a9974b86ffe967ac8c4f0f3e1487ea7263726d84a162d56cb241db69.exe
    "C:\Users\Admin\AppData\Local\Temp\608ead25a9974b86ffe967ac8c4f0f3e1487ea7263726d84a162d56cb241db69.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:3548
    • C:\Users\Admin\AppData\Local\Temp\n6581\s6581.exe
      "C:\Users\Admin\AppData\Local\Temp\n6581\s6581.exe" bbbbed3f0e1b5cf2eb2a1352aUq9+e7iH6/skyBXgfTbBahCJEM2gYQfWrY93K1ipqC0qFuCXyG+nXC/YugJauyhXLdFSq6UUTKBcdt1mLDLzra9JztLsqoDXKW7ZmWQD6NBHLhHMHyIeTBY5kYHuHTMvo3fl6lSydirnKXh50Bm/9c4 /v "C:\Users\Admin\AppData\Local\Temp\608ead25a9974b86ffe967ac8c4f0f3e1487ea7263726d84a162d56cb241db69.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:4844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6581\s6581.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6581\s6581.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4844-135-0x00007FFDB4E00000-0x00007FFDB5836000-memory.dmp

    Filesize

    10.2MB

  • memory/4844-136-0x0000000000A8A000-0x0000000000A8F000-memory.dmp

    Filesize

    20KB

  • memory/4844-137-0x0000000000A8A000-0x0000000000A8F000-memory.dmp

    Filesize

    20KB