Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 18:38

General

  • Target
    Draft BL - Bill Of Lading - PTPS01250538.scr.exe
  • Size 494KB
  • Sample240530-w92dpshc55
  • SHA256 e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe"
      2⤵
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe"
        2⤵
        • Checks computer location settings
        • Drops startup file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:64
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Draft BL - Bill Of Lading - PTPS01250538.scr.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1096
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Draft BL - Bill Of Lading - PTPS01250538.scr.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1600
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2216
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3204
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4180,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
      1⤵
        PID:804

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Draft BL - Bill Of Lading - PTPS01250538.scr.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Draft BL - Bill Of Lading - PTPS01250538.scr.exe.log
            • Size 1KB
            • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
            • MD5 SHA1 SHA512

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 3a6548a1595164ec163ead534b287bdbebe9ab0b376deff892f3d5ca39ba79e1
            • MD5 SHA1 SHA512 SSDEEP

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 0f8ab19c1f6bb2434171ca8456ec9a9e8f849bc68f84e73a38ff440b41d538db
            • MD5 SHA1 SHA512 SSDEEP

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 bed75726ad6da76284dca21b043c715a9fff3204cd964b8141fcc2c69ad59fe2
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_3q2nimne.b2k.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3q2nimne.b2k.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            memory/64-128-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/64-14-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/64-127-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/64-129-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/64-10-0x0000000000400000-0x0000000000414000-memory.dmp

            memory/464-6-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/464-13-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/464-7-0x0000000007B70000-0x0000000007B88000-memory.dmp

            memory/464-9-0x0000000007970000-0x00000000079C6000-memory.dmp

            memory/464-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

            memory/464-8-0x0000000005630000-0x0000000005640000-memory.dmp

            memory/464-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

            memory/464-5-0x0000000005390000-0x000000000542C000-memory.dmp

            memory/464-3-0x0000000005130000-0x00000000051C2000-memory.dmp

            memory/464-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

            memory/464-1-0x00000000006D0000-0x0000000000752000-memory.dmp

            memory/1096-33-0x0000000006890000-0x00000000068DC000-memory.dmp

            memory/1096-53-0x0000000007D50000-0x0000000007D64000-memory.dmp

            memory/1096-31-0x0000000006210000-0x0000000006564000-memory.dmp

            memory/1096-34-0x0000000007770000-0x00000000077A2000-memory.dmp

            memory/1096-35-0x00000000711B0000-0x00000000711FC000-memory.dmp

            memory/1096-45-0x00000000079B0000-0x00000000079CE000-memory.dmp

            memory/1096-46-0x00000000079D0000-0x0000000007A73000-memory.dmp

            memory/1096-47-0x0000000008150000-0x00000000087CA000-memory.dmp

            memory/1096-48-0x0000000007B10000-0x0000000007B2A000-memory.dmp

            memory/1096-49-0x0000000007B80000-0x0000000007B8A000-memory.dmp

            memory/1096-50-0x0000000007D90000-0x0000000007E26000-memory.dmp

            memory/1096-51-0x0000000007D10000-0x0000000007D21000-memory.dmp

            memory/1096-52-0x0000000007D40000-0x0000000007D4E000-memory.dmp

            memory/1096-32-0x00000000067E0000-0x00000000067FE000-memory.dmp

            memory/1096-54-0x0000000007E50000-0x0000000007E6A000-memory.dmp

            memory/1096-55-0x0000000007E30000-0x0000000007E38000-memory.dmp

            memory/1096-58-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/1096-18-0x0000000005F60000-0x0000000005F82000-memory.dmp

            memory/1096-26-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/1096-17-0x00000000058E0000-0x0000000005F08000-memory.dmp

            memory/1096-19-0x0000000006000000-0x0000000006066000-memory.dmp

            memory/1096-16-0x0000000074F40000-0x00000000756F0000-memory.dmp

            memory/1096-20-0x00000000061A0000-0x0000000006206000-memory.dmp

            memory/1096-15-0x0000000002ED0000-0x0000000002F06000-memory.dmp

            memory/1600-70-0x00000000711B0000-0x00000000711FC000-memory.dmp

            memory/2216-91-0x00000000711B0000-0x00000000711FC000-memory.dmp

            memory/3204-112-0x00000000711B0000-0x00000000711FC000-memory.dmp