Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-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.

  • 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 12 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⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4940
    • 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:3496
    • 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:3656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QIbeCpV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1440
    • 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:4980

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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 33a971a39e1ab375871e8268dbafcf2200628deee1af837559c94c80cad86106
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_vpi3mosw.qvn.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpi3mosw.qvn.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpDCD3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp
        • Size 1KB
        • SHA256 c6b1843145171968bb8a12581bcc78613e8e8007d4663db4d48f96e1be76d30d
        • MD5 SHA1 SHA512

        memory/3496-24-0x0000000005B10000-0x0000000005B76000-memory.dmp

        memory/3496-23-0x0000000005970000-0x00000000059D6000-memory.dmp

        memory/3496-85-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3496-74-0x0000000007BC0000-0x0000000007BD1000-memory.dmp

        memory/3496-70-0x0000000007FF0000-0x000000000866A000-memory.dmp

        memory/3496-71-0x00000000079B0000-0x00000000079CA000-memory.dmp

        memory/3496-59-0x0000000006C20000-0x0000000006C3E000-memory.dmp

        memory/3496-15-0x0000000002E70000-0x0000000002EA6000-memory.dmp

        memory/3496-16-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3496-18-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3496-17-0x0000000005BD0000-0x00000000061FA000-memory.dmp

        memory/3496-19-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3496-69-0x0000000007870000-0x0000000007914000-memory.dmp

        memory/3496-48-0x0000000006680000-0x00000000066CC000-memory.dmp

        memory/3496-22-0x00000000058D0000-0x00000000058F2000-memory.dmp

        memory/3496-47-0x0000000006660000-0x000000000667E000-memory.dmp

        memory/3496-50-0x0000000075730000-0x000000007577C000-memory.dmp

        memory/3496-27-0x0000000006200000-0x0000000006557000-memory.dmp

        memory/3496-49-0x0000000007830000-0x0000000007864000-memory.dmp

        memory/3656-20-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3656-72-0x00000000071B0000-0x00000000071BA000-memory.dmp

        memory/3656-86-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3656-79-0x0000000007470000-0x0000000007478000-memory.dmp

        memory/3656-25-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3656-77-0x0000000007480000-0x000000000749A000-memory.dmp

        memory/3656-76-0x0000000007380000-0x0000000007395000-memory.dmp

        memory/3656-26-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/3656-75-0x0000000007370000-0x000000000737E000-memory.dmp

        memory/3656-60-0x0000000075730000-0x000000007577C000-memory.dmp

        memory/3656-73-0x00000000073C0000-0x0000000007456000-memory.dmp

        memory/4940-3-0x0000000007590000-0x0000000007622000-memory.dmp

        memory/4940-4-0x0000000007570000-0x000000000757A000-memory.dmp

        memory/4940-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

        memory/4940-10-0x0000000005130000-0x0000000005192000-memory.dmp

        memory/4940-7-0x0000000002A50000-0x0000000002A6A000-memory.dmp

        memory/4940-46-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/4940-8-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

        memory/4940-1-0x0000000000530000-0x00000000005EA000-memory.dmp

        memory/4940-9-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/4940-5-0x0000000007880000-0x000000000791C000-memory.dmp

        memory/4940-2-0x0000000007A60000-0x0000000008006000-memory.dmp

        memory/4940-6-0x0000000074E70000-0x0000000075621000-memory.dmp

        memory/4980-78-0x0000000006BF0000-0x0000000006C40000-memory.dmp

        memory/4980-28-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4980-87-0x0000000006F10000-0x00000000070D2000-memory.dmp