Analysis

  • max time kernel
    130s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2025, 14:04

General

  • Target
    SPECIFICATIONS.exe
  • Size 730KB
  • Sample250425-rdccgstyax
  • SHA256 861b9d85f642873dd0f034f6f946e3791c4cf94c6687527320d26a2f217fa04c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • masslogger

C2
  • https://api.telegram.org/bot7941278366:AAEaNerdR3ysFFfS8NCqw2mTvSoiCyVYGqE/sendMessage?chat_id=6623091671

Attributes
  • exfiltration_mode

    #TGEnabled

  • expire_time_date

    2025-06-05

  • ssl_slate

    False

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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe
    "C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • 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\SPECIFICATIONS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QIbeCpV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QIbeCpV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF11.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4664
    • C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe
      "C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.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:2532

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        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 5623d0964058bd61ea0ce4058bea44e50e031871fbffd192e929f7af94adb70d
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_u2kpxuot.cao.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u2kpxuot.cao.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpFF11.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpFF11.tmp
        • Size 1KB
        • SHA256 37377c5a2e2edeab2d362eaf67c6930d187fdf3f6420afdbd8ebdc175d78937e
        • MD5 SHA1 SHA512

        memory/1536-8-0x000000007483E000-0x000000007483F000-memory.dmp

        memory/1536-2-0x0000000007C20000-0x00000000081C4000-memory.dmp

        memory/1536-6-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/1536-7-0x0000000007960000-0x000000000797A000-memory.dmp

        memory/1536-1-0x00000000007E0000-0x000000000089A000-memory.dmp

        memory/1536-9-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/1536-10-0x0000000005520000-0x0000000005582000-memory.dmp

        memory/1536-5-0x00000000079B0000-0x0000000007A4C000-memory.dmp

        memory/1536-0-0x000000007483E000-0x000000007483F000-memory.dmp

        memory/1536-4-0x0000000002BB0000-0x0000000002BBA000-memory.dmp

        memory/1536-48-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/1536-3-0x0000000007750000-0x00000000077E2000-memory.dmp

        memory/2532-91-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

        memory/2532-88-0x00000000068C0000-0x0000000006910000-memory.dmp

        memory/2532-27-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/5256-16-0x00000000057A0000-0x0000000005DC8000-memory.dmp

        memory/5256-75-0x0000000007910000-0x000000000792A000-memory.dmp

        memory/5256-15-0x0000000005010000-0x0000000005046000-memory.dmp

        memory/5256-17-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/5256-89-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/5256-18-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/5256-79-0x0000000007B40000-0x0000000007B4E000-memory.dmp

        memory/5256-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/5256-49-0x00000000065E0000-0x00000000065FE000-memory.dmp

        memory/5256-50-0x0000000006B70000-0x0000000006BBC000-memory.dmp

        memory/5256-77-0x0000000007B90000-0x0000000007C26000-memory.dmp

        memory/5256-52-0x00000000750B0000-0x00000000750FC000-memory.dmp

        memory/5256-51-0x00000000075B0000-0x00000000075E2000-memory.dmp

        memory/6024-80-0x0000000007380000-0x0000000007394000-memory.dmp

        memory/6024-81-0x0000000007480000-0x000000000749A000-memory.dmp

        memory/6024-22-0x0000000004E70000-0x0000000004E92000-memory.dmp

        memory/6024-74-0x0000000007790000-0x0000000007E0A000-memory.dmp

        memory/6024-76-0x00000000071C0000-0x00000000071CA000-memory.dmp

        memory/6024-53-0x00000000750B0000-0x00000000750FC000-memory.dmp

        memory/6024-78-0x0000000007340000-0x0000000007351000-memory.dmp

        memory/6024-25-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/6024-73-0x0000000007020000-0x00000000070C3000-memory.dmp

        memory/6024-82-0x0000000007460000-0x0000000007468000-memory.dmp

        memory/6024-72-0x00000000063A0000-0x00000000063BE000-memory.dmp

        memory/6024-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/6024-90-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/6024-23-0x0000000005010000-0x0000000005076000-memory.dmp

        memory/6024-28-0x0000000074830000-0x0000000074FE0000-memory.dmp

        memory/6024-24-0x0000000005700000-0x0000000005766000-memory.dmp

        memory/6024-26-0x00000000057F0000-0x0000000005B44000-memory.dmp