Analysis

  • max time kernel
    128s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2025, 13:33

General

  • Target
    110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe
  • Size 562KB
  • Sample250509-qtte9seq2x
  • SHA256 110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    2025-04-27

  • host_password

    DELTAGOLF

  • host_port

    25

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.multisecure.co.id

  • ssl_slate

    True

Signatures

  • MassLogger

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

  • Masslogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • 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 3 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe
    "C:\Users\Admin\AppData\Local\Temp\110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5528
    • 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\110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sLwGSrIpgGer.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4764
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sLwGSrIpgGer" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDEF6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4864
    • C:\Users\Admin\AppData\Local\Temp\110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe
      "C:\Users\Admin\AppData\Local\Temp\110962df85578b3a3d46ff96d15966c0365f885f087ef21928e605fa7aa164cb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_3jtb2dsd.2cx.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3jtb2dsd.2cx.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpDEF6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDEF6.tmp
        • Size 1KB
        • SHA256 7a6f79b6116754778c64d9e90dadd33f657ecfad1a352b7a740192bef1d87cc8
        • MD5 SHA1 SHA512

        memory/2572-48-0x00000000071E0000-0x0000000007212000-memory.dmp

        memory/2572-47-0x0000000006060000-0x00000000060AC000-memory.dmp

        memory/2572-83-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/2572-75-0x00000000075E0000-0x0000000007676000-memory.dmp

        memory/2572-46-0x0000000006010000-0x000000000602E000-memory.dmp

        memory/2572-71-0x00000000079A0000-0x000000000801A000-memory.dmp

        memory/2572-72-0x0000000007360000-0x000000000737A000-memory.dmp

        memory/2572-50-0x00000000713B0000-0x00000000713FC000-memory.dmp

        memory/2572-68-0x0000000006600000-0x000000000661E000-memory.dmp

        memory/2572-15-0x0000000002730000-0x0000000002766000-memory.dmp

        memory/2572-16-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/2572-18-0x0000000005240000-0x0000000005868000-memory.dmp

        memory/2572-19-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/2572-17-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/2572-20-0x0000000004F70000-0x0000000004F92000-memory.dmp

        memory/2572-21-0x0000000005870000-0x00000000058D6000-memory.dmp

        memory/2572-22-0x00000000058E0000-0x0000000005946000-memory.dmp

        memory/2572-70-0x0000000007220000-0x00000000072C3000-memory.dmp

        memory/2572-32-0x0000000005B10000-0x0000000005E64000-memory.dmp

        memory/4764-73-0x0000000007B00000-0x0000000007B0A000-memory.dmp

        memory/4764-80-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

        memory/4764-79-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

        memory/4764-78-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

        memory/4764-77-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

        memory/4764-49-0x00000000713B0000-0x00000000713FC000-memory.dmp

        memory/4764-76-0x0000000007C90000-0x0000000007CA1000-memory.dmp

        memory/5008-74-0x0000000006230000-0x0000000006280000-memory.dmp

        memory/5008-84-0x00000000065F0000-0x00000000067B2000-memory.dmp

        memory/5008-34-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/5528-10-0x0000000002E10000-0x0000000002E72000-memory.dmp

        memory/5528-7-0x0000000005A30000-0x0000000005A4A000-memory.dmp

        memory/5528-6-0x0000000005840000-0x00000000058DC000-memory.dmp

        memory/5528-8-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

        memory/5528-5-0x00000000056E0000-0x00000000056EA000-memory.dmp

        memory/5528-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

        memory/5528-9-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/5528-3-0x0000000005550000-0x00000000055E2000-memory.dmp

        memory/5528-2-0x0000000005A60000-0x0000000006004000-memory.dmp

        memory/5528-1-0x0000000000AC0000-0x0000000000B52000-memory.dmp

        memory/5528-4-0x0000000074E20000-0x00000000755D0000-memory.dmp

        memory/5528-45-0x0000000074E20000-0x00000000755D0000-memory.dmp