Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 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 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 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⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4628
    • 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:4904
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:216
      • 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:4128
  • 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\2ja5xwtinfp.ps1"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe
      "C:\Users\Admin\AppData\Roaming\qjjlVZLrKmTjE.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4316
      • 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:1448
      • 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:4624
        • 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:4468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        eJpi6ZTmpkYoC3r.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eJpi6ZTmpkYoC3r.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512 TLSH

        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 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 136B
        • SHA256 8473c2316807e44ac2f83b5c52982ff2d3dd1cb2b95cd598624e25ace6e65c6c
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 02c121ea45cabcd633c44db1c404dc17264909e1638ed072bc91c734f25a5a99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2ja5xwtinfp.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\2ja5xwtinfp.ps1
        • Size 1KB
        • SHA256 f2b941ec0ff08a576235d030ec6a70ad175c74f0d447abb0a59fd93e9483952b
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_shiezwvk.ian.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_shiezwvk.ian.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • 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/216-19-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        memory/216-13-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/216-70-0x0000000006AC0000-0x0000000006B10000-memory.dmp

        memory/216-71-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        memory/216-72-0x0000000006E80000-0x0000000007042000-memory.dmp

        memory/1448-85-0x0000000005740000-0x0000000005A94000-memory.dmp

        memory/1448-98-0x0000000007230000-0x0000000007244000-memory.dmp

        memory/1448-97-0x00000000071D0000-0x00000000071E1000-memory.dmp

        memory/1448-96-0x0000000006F20000-0x0000000006FC3000-memory.dmp

        memory/1448-88-0x0000000070980000-0x00000000709CC000-memory.dmp

        memory/1448-87-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

        memory/2512-41-0x0000018BF7710000-0x0000018BF7732000-memory.dmp

        memory/4628-4-0x0000000004730000-0x000000000473A000-memory.dmp

        memory/4628-5-0x00000000072D0000-0x00000000072EE000-memory.dmp

        memory/4628-3-0x0000000007310000-0x0000000007320000-memory.dmp

        memory/4628-6-0x0000000007310000-0x0000000007320000-memory.dmp

        memory/4628-8-0x00000000088B0000-0x000000000894C000-memory.dmp

        memory/4628-2-0x0000000007190000-0x0000000007222000-memory.dmp

        memory/4628-1-0x0000000007660000-0x0000000007C04000-memory.dmp

        memory/4628-0-0x00000000001C0000-0x00000000002C8000-memory.dmp

        memory/4628-7-0x0000000008760000-0x0000000008812000-memory.dmp

        memory/4904-17-0x00000000029B0000-0x00000000029C0000-memory.dmp

        memory/4904-57-0x0000000007490000-0x0000000007533000-memory.dmp

        memory/4904-58-0x0000000007BF0000-0x000000000826A000-memory.dmp

        memory/4904-59-0x00000000075B0000-0x00000000075CA000-memory.dmp

        memory/4904-60-0x0000000007620000-0x000000000762A000-memory.dmp

        memory/4904-61-0x0000000007830000-0x00000000078C6000-memory.dmp

        memory/4904-62-0x00000000077B0000-0x00000000077C1000-memory.dmp

        memory/4904-63-0x00000000077E0000-0x00000000077EE000-memory.dmp

        memory/4904-64-0x00000000077F0000-0x0000000007804000-memory.dmp

        memory/4904-65-0x00000000078F0000-0x000000000790A000-memory.dmp

        memory/4904-66-0x00000000078D0000-0x00000000078D8000-memory.dmp

        memory/4904-56-0x0000000006840000-0x000000000685E000-memory.dmp

        memory/4904-48-0x00000000706A0000-0x00000000706EC000-memory.dmp

        memory/4904-47-0x0000000007250000-0x0000000007282000-memory.dmp

        memory/4904-33-0x0000000006330000-0x000000000637C000-memory.dmp

        memory/4904-32-0x0000000006290000-0x00000000062AE000-memory.dmp

        memory/4904-31-0x0000000005DD0000-0x0000000006124000-memory.dmp

        memory/4904-21-0x00000000052C0000-0x00000000052E2000-memory.dmp

        memory/4904-23-0x0000000005C60000-0x0000000005CC6000-memory.dmp

        memory/4904-22-0x0000000005B40000-0x0000000005BA6000-memory.dmp

        memory/4904-20-0x0000000005360000-0x0000000005988000-memory.dmp

        memory/4904-18-0x00000000029B0000-0x00000000029C0000-memory.dmp

        memory/4904-16-0x0000000002960000-0x0000000002996000-memory.dmp