Analysis

  • max time kernel
    145s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 12:35

General

  • Target

    cb97c749a5b76c7b0a3730f4268bef2edc6ba869bf88af0d34752e11de2f594a.exe

  • Size

    618KB

  • MD5

    e62244940a24aa03e40992e128120572

  • SHA1

    156376bbca0d05d32e73f50d1f7a30d82bad1788

  • SHA256

    cb97c749a5b76c7b0a3730f4268bef2edc6ba869bf88af0d34752e11de2f594a

  • SHA512

    7dac58a83894c59e3ff77ae463f98a4c55e976b792b11949cf4d2edd6b7530e33701f05ccd8c3c589ae192d62577fa7a2b085c6c38fbfaef8a1ad787202bfa11

  • SSDEEP

    12288:yKfC2/WC5btCQFxZITbejP27e73Rrx8FkWIGoC3tXkg/DKWO4g8CXdpYiY++:K2/W0NDZ/b6uumGpdXkg/DKWOj8C8iY1

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 5 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\cb97c749a5b76c7b0a3730f4268bef2edc6ba869bf88af0d34752e11de2f594a.exe
    "C:\Users\Admin\AppData\Local\Temp\cb97c749a5b76c7b0a3730f4268bef2edc6ba869bf88af0d34752e11de2f594a.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:1952
    • C:\Users\Admin\AppData\Local\Temp\n6463\s6463.exe
      "C:\Users\Admin\AppData\Local\Temp\n6463\s6463.exe" 5ba1171410a075a8eb95ee79sBzL/fnNTNqj/tUJ6gsdUBJ4/ueAzJpjnN643WMPrBJQqR0zPGVQ9Vu8jq1M0oahY0yNt8vYGN7AkroFXgbh2qYBzAmYzhbBIkX1tMl162af0Jm9y8pQUUGBiaUIPx2kwMLNFJ1HZRJwDb9U2XiJxiyZk8HmymsdwEEviqc= /v "C:\Users\Admin\AppData\Local\Temp\cb97c749a5b76c7b0a3730f4268bef2edc6ba869bf88af0d34752e11de2f594a.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:4528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6463\s6463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n6463\s6463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/4528-135-0x00007FFBD9DC0000-0x00007FFBDA7F6000-memory.dmp

    Filesize

    10.2MB

  • memory/4528-136-0x0000000000E0A000-0x0000000000E0F000-memory.dmp

    Filesize

    20KB

  • memory/4528-137-0x0000000000E0A000-0x0000000000E0F000-memory.dmp

    Filesize

    20KB

  • memory/4528-138-0x0000000000E0A000-0x0000000000E0F000-memory.dmp

    Filesize

    20KB