Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 08:27

General

  • Target
    eJpi6ZTmpkYoC3r.exe
  • Size 1.0MB
  • Sample260629-kctrtag141
  • SHA256 640c7c6ea97dbecc0438cd6d77d4a599e459929f626e2f0b2b4a66dfe1f99b84
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • masslogger

C2
  • https://api.telegram.org/bot8892355596:AAHtCgmCvqpeFMQc0k90TOzvoWYxw-hvnWY/sendMessage?chat_id=6721127118

Attributes
  • exfiltration_mode

    #TGEnabled

  • expire_time_date

    00-00-0000

  • ssl_slate

    False

Signatures

  • Family: MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe
    "C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4816
    • C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe
      "C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe"
      2⤵
        PID:1280
      • C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe
        "C:\Users\Admin\AppData\Local\Temp\eJpi6ZTmpkYoC3r.exe"
        2⤵
        • Modifies Windows Defender DisableAntiSpyware settings
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
          3⤵
          • Disables RegEdit via registry modification
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:5764
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\wmn54kw5sdo.ps1"
      1⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3340
      • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
        "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5816
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1992
        • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
          "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
          3⤵
          • Executes dropped EXE
          PID:1796
        • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
          "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
          3⤵
          • Executes dropped EXE
          PID:3016
        • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
          "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
          3⤵
          • Executes dropped EXE
          PID:4404
        • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
          "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
          3⤵
          • Modifies Windows Defender DisableAntiSpyware settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:4756
          • C:\Windows\SysWOW64\REG.exe
            REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:5712

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 402c779bf04b5871b9d7cb080cef7e5beaf6f85855b677dfbccb776e4ce55b8d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_1kydqpxm.rdr.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kydqpxm.rdr.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          wmn54kw5sdo.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\wmn54kw5sdo.ps1
          • Size 1KB
          • SHA256 df410162a63363a6d8b344d95a9d68466296db5a592d0c7121370ad9ea263ea4
          • MD5 SHA1 SHA512 TLSH

          qjjlVZLrKmTjE.exe

          • Path C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
          • Size 1.0MB
          • SHA256 640c7c6ea97dbecc0438cd6d77d4a599e459929f626e2f0b2b4a66dfe1f99b84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1172-35-0x0000000006A80000-0x0000000006AD0000-memory.dmp

          memory/1172-50-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/1172-49-0x0000000006E40000-0x0000000007002000-memory.dmp

          memory/1172-17-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/1172-14-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/1172-22-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/1992-58-0x0000000005970000-0x0000000005CCB000-memory.dmp

          memory/1992-60-0x0000000006020000-0x000000000606C000-memory.dmp

          memory/1992-61-0x0000000070870000-0x00000000708BC000-memory.dmp

          memory/1992-64-0x00000000070B0000-0x0000000007153000-memory.dmp

          memory/3340-30-0x000001D517860000-0x000001D517882000-memory.dmp

          memory/4816-37-0x0000000070A20000-0x0000000070A6C000-memory.dmp

          memory/4816-40-0x0000000006D50000-0x0000000006D70000-memory.dmp

          memory/4816-19-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/4816-21-0x00000000055D0000-0x0000000005636000-memory.dmp

          memory/4816-20-0x0000000004E50000-0x0000000004EB6000-memory.dmp

          memory/4816-16-0x0000000004F80000-0x00000000055CA000-memory.dmp

          memory/4816-23-0x0000000005690000-0x00000000059EB000-memory.dmp

          memory/4816-48-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/4816-18-0x0000000004DB0000-0x0000000004DD2000-memory.dmp

          memory/4816-29-0x0000000005B90000-0x0000000005BAE000-memory.dmp

          memory/4816-13-0x0000000002330000-0x0000000002366000-memory.dmp

          memory/4816-31-0x0000000005C20000-0x0000000005C6C000-memory.dmp

          memory/4816-12-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/4816-45-0x0000000007150000-0x00000000071E6000-memory.dmp

          memory/4816-44-0x0000000006F50000-0x0000000006F5A000-memory.dmp

          memory/4816-15-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/4816-42-0x0000000007520000-0x0000000007B9C000-memory.dmp

          memory/4816-41-0x0000000006D80000-0x0000000006E23000-memory.dmp

          memory/4816-43-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

          memory/4816-36-0x0000000006140000-0x0000000006176000-memory.dmp

          memory/5364-0-0x00000000743C2000-0x00000000743C3000-memory.dmp

          memory/5364-8-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/5364-9-0x000000000A0C0000-0x000000000A172000-memory.dmp

          memory/5364-10-0x000000000A210000-0x000000000A2AC000-memory.dmp

          memory/5364-7-0x00000000743C2000-0x00000000743C3000-memory.dmp

          memory/5364-24-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/5364-6-0x0000000004B70000-0x0000000004B8E000-memory.dmp

          memory/5364-5-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/5364-4-0x0000000007600000-0x000000000760A000-memory.dmp

          memory/5364-3-0x0000000007630000-0x00000000076C2000-memory.dmp

          memory/5364-2-0x0000000007B50000-0x000000000810A000-memory.dmp

          memory/5364-1-0x0000000000500000-0x0000000000608000-memory.dmp