Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 14:50

General

  • Target

    проверка.exe

  • Size

    102KB

  • MD5

    58174445e23753c941d39dc0453ac348

  • SHA1

    40e3a9047c49cbae6818297adcd03896d28364c2

  • SHA256

    1e5034d37e7751fb4039157219aee679bf76a8d3b0185a86c0d2255477a58171

  • SHA512

    523ef9adae27b83d87166be13e87944d3816cad08103b65ae2c964bf8828c0c949030e9e967d56b2bf40bba5b9466f8e4d21ccc220892c5f9365e2dd221fe072

  • SSDEEP

    1536:oBFpc8Z5dGYzabvawh+/C6vSX/QOcy/WPPqUs/uoDjSBSc7UtYVL:oa85dGCabvaw4/moOcy/R/1W0cgteL

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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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:2956
    • 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:3040
    • 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:1728
    • 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:2552
    • 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:2556
    • 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:2976
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /delete /f /tn "Delta"
      2⤵
        PID:2128
      • C:\Windows\system32\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp.bat""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:2980
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {D38C6D4A-022A-4AF3-880A-9F1E578D1C82} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Users\Admin\AppData\Roaming\Delta.exe
        C:\Users\Admin\AppData\Roaming\Delta.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:892
      • C:\Users\Admin\AppData\Roaming\Delta.exe
        C:\Users\Admin\AppData\Roaming\Delta.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp.bat

      Filesize

      168B

      MD5

      259eff594d45d2875d77353537a74305

      SHA1

      f025e57dd34d6b29c4b1408cbd6f65b423e88e25

      SHA256

      6da6d3c453dab23d89ac8ba9393869058b89991f89bcf9b10410f694021e15ad

      SHA512

      894434c26b25769f2fa4c6fac6b01d32bbdfa07227dce446c6f72a9219aece2da55981daec7b0ca4024828b39dbba546feeb279c2caacb6d9f8cac7b0325b3c1

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

      Filesize

      102KB

      MD5

      58174445e23753c941d39dc0453ac348

      SHA1

      40e3a9047c49cbae6818297adcd03896d28364c2

      SHA256

      1e5034d37e7751fb4039157219aee679bf76a8d3b0185a86c0d2255477a58171

      SHA512

      523ef9adae27b83d87166be13e87944d3816cad08103b65ae2c964bf8828c0c949030e9e967d56b2bf40bba5b9466f8e4d21ccc220892c5f9365e2dd221fe072

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

      Filesize

      7KB

      MD5

      277227b9261d4007356661ded33fa58e

      SHA1

      d5dd033d733778491234ca36d120d0a0ac3809ba

      SHA256

      c314be394551104a5fb498c3542afe1324b6dd265eec373d46f5a346da3363b9

      SHA512

      4e8de59c43ed1b8fa8b93e5e60bdfe17925f794d918c0c302690915b2b9d9f684321003ef18083722e0ec23e0181e56dd003b43da25274f00e605ae17e32a856

    • \??\PIPE\srvsvc

      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • memory/448-40-0x0000000000CF0000-0x0000000000D10000-memory.dmp

      Filesize

      128KB

    • memory/892-37-0x0000000000170000-0x0000000000190000-memory.dmp

      Filesize

      128KB

    • memory/1728-14-0x000000001B680000-0x000000001B962000-memory.dmp

      Filesize

      2.9MB

    • memory/1728-15-0x00000000028E0000-0x00000000028E8000-memory.dmp

      Filesize

      32KB

    • memory/2956-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

      Filesize

      4KB

    • memory/2956-31-0x000000001B350000-0x000000001B3D0000-memory.dmp

      Filesize

      512KB

    • memory/2956-32-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

      Filesize

      4KB

    • memory/2956-33-0x000000001B350000-0x000000001B3D0000-memory.dmp

      Filesize

      512KB

    • memory/2956-1-0x0000000001160000-0x0000000001180000-memory.dmp

      Filesize

      128KB

    • memory/3040-8-0x0000000002340000-0x0000000002348000-memory.dmp

      Filesize

      32KB

    • memory/3040-7-0x000000001B670000-0x000000001B952000-memory.dmp

      Filesize

      2.9MB

    • memory/3040-6-0x0000000002A80000-0x0000000002B00000-memory.dmp

      Filesize

      512KB