Analysis

  • max time kernel
    151s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 01:22

General

  • Target

    ead6db403d064e07bd263fc6ba3628b0ef9985db8e38645157cf95d75c6aa9b2.exe

  • Size

    512KB

  • MD5

    7ce4d7476ff811798948b11abe4dbb09

  • SHA1

    033b277281bbc34cada581571fa77c5c97fda875

  • SHA256

    ead6db403d064e07bd263fc6ba3628b0ef9985db8e38645157cf95d75c6aa9b2

  • SHA512

    e1df682cf95f72c0170b616d4dfaee6009aa94dd68709eb32e6abfb0869e1e7d9d3fc5557d8e3b3e096dc0ae0eeaa58535e08ce291010ebea49879aaf709844c

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4t:0+h9OY70z+warul3E4t

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\ead6db403d064e07bd263fc6ba3628b0ef9985db8e38645157cf95d75c6aa9b2.exe
    "C:\Users\Admin\AppData\Local\Temp\ead6db403d064e07bd263fc6ba3628b0ef9985db8e38645157cf95d75c6aa9b2.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:4376
    • C:\Users\Admin\AppData\Local\Temp\n2635\s2635.exe
      "C:\Users\Admin\AppData\Local\Temp\n2635\s2635.exe" 2280f2c231d0b51beb4abba7MqIr2qhsUmi1oeDzaO65HTsgx//kmqBV15DyPMj+CyjHPw+y2DpyagqwnQXyWKRHM6yXWEIU6mvGDaTgix4NmvmNtN1b7jgAYVKVyXSOFdmERv8n9KbuUfo8R27AFUwCz2r+Mb6yvleje0LrNBKiDONQ /v "C:\Users\Admin\AppData\Local\Temp\ead6db403d064e07bd263fc6ba3628b0ef9985db8e38645157cf95d75c6aa9b2.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:3756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2635\s2635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2635\s2635.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3756-135-0x00007FFB731E0000-0x00007FFB73C16000-memory.dmp

    Filesize

    10.2MB

  • memory/3756-136-0x00000000009BA000-0x00000000009BF000-memory.dmp

    Filesize

    20KB

  • memory/3756-137-0x00000000009BA000-0x00000000009BF000-memory.dmp

    Filesize

    20KB

  • memory/3756-138-0x00000000009BA000-0x00000000009BF000-memory.dmp

    Filesize

    20KB