Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 06:31

General

  • Target

    7feb22f336fc32fb3c2487819d2498852c86e718131616e1845c58f0194b796b.exe

  • Size

    1.8MB

  • MD5

    0cb9c5794efa4164f6679a671c5098ce

  • SHA1

    101002003df4af61d9e8f79473f254d8ed9bad55

  • SHA256

    7feb22f336fc32fb3c2487819d2498852c86e718131616e1845c58f0194b796b

  • SHA512

    2b141f19feb436f6b6b7b086f4dbda4a0a68088311e069c8db99f6dfb054fc388a03ca5a3a0bb96b790c76a6b22b66df6536a95d78325fd239fea63acbcfce47

  • SSDEEP

    49152:fQkuSJnhtNj8vTCBKt5fHOcizQ9kHtb2Bf1e5vEP:4W1NAYKaQCHtb2VY+P

Malware Config

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
  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7feb22f336fc32fb3c2487819d2498852c86e718131616e1845c58f0194b796b.exe
    "C:\Users\Admin\AppData\Local\Temp\7feb22f336fc32fb3c2487819d2498852c86e718131616e1845c58f0194b796b.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 1804
      2⤵
      • Program crash
      PID:3348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1148 -ip 1148
    1⤵
      PID:952

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/1148-15-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-6-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-17-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/1148-4-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-18-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-7-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-11-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1148-20-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-2-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/1148-3-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-0-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-21-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-1-0x0000000076F64000-0x0000000076F66000-memory.dmp

      Filesize

      8KB

    • memory/1148-23-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-28-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-39-0x0000000000400000-0x0000000000C4E000-memory.dmp

      Filesize

      8.3MB

    • memory/1148-41-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB