Analysis

  • max time kernel
    146s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 11:00

General

  • Target

    проверка.exe

  • Size

    99KB

  • MD5

    db27649bfb89f40ec3ff301541c598f5

  • SHA1

    a16885dd0b352e970c45bad6a691e155f9ccc8f1

  • SHA256

    45814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb

  • SHA512

    3b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb

  • SSDEEP

    1536:loZp0RHDlFZDCFb/AZ+bF5n5GGKx6wwOfRJ9PpP/UA/uoDjSBSc7UtYVL:Q4pFZyLAZ+bF55GSOn9Pdb1W0cgteL

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes
  • Install_directory

    %AppData%

  • install_file

    Delta.exe

Signatures

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\проверка.exe
    "C:\Users\Admin\AppData\Local\Temp\проверка.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2304
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1200
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {83A03422-93CE-4946-92C5-A5AF384EA10B} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:320
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Delta.exe

    Filesize

    99KB

    MD5

    db27649bfb89f40ec3ff301541c598f5

    SHA1

    a16885dd0b352e970c45bad6a691e155f9ccc8f1

    SHA256

    45814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb

    SHA512

    3b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    1e98caa85d5fb8e16f4d19c8d41d61ea

    SHA1

    08f9632e262ea612ebeb395db5d19ca2770ac933

    SHA256

    c53f8d1e966d4a8f7ae292d825bef6e9bc4d528bc0a138aa818effba6b1f0290

    SHA512

    07505f09994a2df133c56e11664221ee2f390c505d21308fcdd2b1b2f307ae917facbfa1f4c31c0001e15c598aec268432e432643f540230ed4a1a86a13da4a0

  • memory/320-36-0x0000000000F90000-0x0000000000FB0000-memory.dmp

    Filesize

    128KB

  • memory/2044-39-0x0000000000FB0000-0x0000000000FD0000-memory.dmp

    Filesize

    128KB

  • memory/2496-14-0x000000001B570000-0x000000001B852000-memory.dmp

    Filesize

    2.9MB

  • memory/2496-15-0x0000000002250000-0x0000000002258000-memory.dmp

    Filesize

    32KB

  • memory/2520-7-0x000000001B820000-0x000000001BB02000-memory.dmp

    Filesize

    2.9MB

  • memory/2520-8-0x0000000001E80000-0x0000000001E88000-memory.dmp

    Filesize

    32KB

  • memory/2520-6-0x0000000002C00000-0x0000000002C80000-memory.dmp

    Filesize

    512KB

  • memory/2840-30-0x000000001A690000-0x000000001A710000-memory.dmp

    Filesize

    512KB

  • memory/2840-31-0x000007FEF52E3000-0x000007FEF52E4000-memory.dmp

    Filesize

    4KB

  • memory/2840-32-0x000000001A690000-0x000000001A710000-memory.dmp

    Filesize

    512KB

  • memory/2840-0-0x000007FEF52E3000-0x000007FEF52E4000-memory.dmp

    Filesize

    4KB

  • memory/2840-1-0x0000000000BB0000-0x0000000000BD0000-memory.dmp

    Filesize

    128KB