Analysis

  • max time kernel
    140s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 14:14

General

  • Target

    e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe

  • Size

    200KB

  • MD5

    60f593b820e8dd77f42f8fb903226850

  • SHA1

    ed17887140e1b964a4c675b4dfe3b724bbc718c1

  • SHA256

    e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

  • SHA512

    e244a168788874327ca88d6e5975155144ae7f8fe25216184dab16bfc712a20e6d2906d5eae414c9f755ca8e5d3f401a260aea75c420874d08a4c63f95f138a0

  • SSDEEP

    3072:CN3HC4cyoRRl7KJ0gZHQnLOJMu2a9AOVZePhXogz5+8:CNXCDc0gZGLWMg9DVMpxg

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3492
      • C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
        "C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
          "C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3912
          • C:\Windows\SysWOW64\wmphb32.exe
            "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Windows\SysWOW64\wmphb32.exe
              "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3416
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\wmphb32.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1568
        • C:\Windows\SysWOW64\wmphb32.exe
          C:\Windows\SysWOW64\wmphb32.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\wmphb32.exe
            C:\Windows\SysWOW64\wmphb32.exe
            4⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Maps connected drives based on registry
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4508
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\wmphb32.exe > nul
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmphb32.exe

      Filesize

      200KB

      MD5

      60f593b820e8dd77f42f8fb903226850

      SHA1

      ed17887140e1b964a4c675b4dfe3b724bbc718c1

      SHA256

      e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

      SHA512

      e244a168788874327ca88d6e5975155144ae7f8fe25216184dab16bfc712a20e6d2906d5eae414c9f755ca8e5d3f401a260aea75c420874d08a4c63f95f138a0

    • memory/1996-4-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/1996-0-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/2964-50-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3416-47-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3416-61-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3416-51-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3416-48-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3416-49-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-5-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-43-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-33-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-6-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-3-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3912-1-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4508-59-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4508-64-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4840-53-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/4840-57-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB