Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    10/02/2025, 09:43

General

  • Target

    SecuriteInfo.com.Win32.Evo-gen.11987.12492.exe

  • Size

    4.1MB

  • MD5

    9be0995781ad8571cf04d56205dfe9cf

  • SHA1

    55d0d08c91d3379c19ee82408a9e6c4940c4eab7

  • SHA256

    7d38d224cc842dcfd817854fcc19e85749aedf0dbf9000493cf5ab8b2406b581

  • SHA512

    c5c3ab30ab1fb7c2dec56d8033fd20076bfd32bb62e882c773b7f436a01592f1b00fa704a486d4768320f038f8ad5cc4236fd266ccfbc48dfad97747b2eb6597

  • SSDEEP

    98304:DI40wOeHPyfqn0ottV6xWnkodxQPyX4l5+y+nsr37o/fOX:DI40Seqn0oTWWnBx8bMsrLo/m

Malware Config

Extracted

Family

gcleaner

C2

185.156.73.73

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Gcleaner family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.11987.12492.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.11987.12492.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
      2⤵
      • Downloads MZ/PE file
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HIG00EVV\service[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • \Users\Admin\AppData\Local\Temp\Fde3e9JSDVwGCJdZu\Y-Cleaner.exe

    Filesize

    987KB

    MD5

    f49d1aaae28b92052e997480c504aa3b

    SHA1

    a422f6403847405cee6068f3394bb151d8591fb5

    SHA256

    81e31780a5f2078284b011c720261797eb8dd85e1b95a657dbce7ac31e9df1f0

    SHA512

    41f715eea031fd8d7d3a22d88e0199277db2f86be73f830819288c0f0665e81a314be6d356fdc66069cb3f2abf0dd02aaa49ac3732f3f44a533fcec0dfd6f773

  • memory/2600-13-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2600-1-0x0000000077DC0000-0x0000000077DC2000-memory.dmp

    Filesize

    8KB

  • memory/2600-2-0x0000000000E11000-0x000000000106C000-memory.dmp

    Filesize

    2.4MB

  • memory/2600-3-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2600-4-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2600-5-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2600-6-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2600-0-0x0000000000E10000-0x000000000194A000-memory.dmp

    Filesize

    11.2MB

  • memory/2936-8-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2936-12-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2936-17-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2936-22-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2936-10-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2936-7-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2936-40-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB