Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 13:15

General

  • Target

    PO-1124-0018-TTR-ASP1..20adet0191621.exe

  • Size

    773KB

  • MD5

    4b393b41e5b7bdd02e481816bec9ff4a

  • SHA1

    35b60bdfa5130cc88b508f4fee9c226a2277517b

  • SHA256

    b71fb82589e3532a9390352bc87f7c2edc2cd7fae723fe203500350a31559e17

  • SHA512

    28ae160172d1d13a8b56dac51dd38f44c1cbf2c4755300d34adfc5c5638ee2375bc7cf8b29e8173933f0f3e672cd2e8e8469fa341e3356a0c7e34153e08ac0e3

  • SSDEEP

    12288:ipdY9shQgZCnoCKpJTH7uag0rQ8Vt7W68RNkBXKU5YYyTAo187Ce6m05/W:WdhlyzKrHSaVrQ8i6UkxKVaSR7m05/

Malware Config

Extracted

Family

vipkeylogger

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 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 1 IoCs

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

  • Suspicious use of SetThreadContext 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.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:3560
    • 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\PO-1124-0018-TTR-ASP1..20adet0191621.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3264
    • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.exe"
      2⤵
        PID:3160
      • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018-TTR-ASP1..20adet0191621.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1456

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m5u1tkng.1um.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1456-63-0x00000000073C0000-0x00000000078EC000-memory.dmp

      Filesize

      5.2MB

    • memory/1456-62-0x0000000006B60000-0x0000000006BB0000-memory.dmp

      Filesize

      320KB

    • memory/1456-61-0x0000000006CC0000-0x0000000006E82000-memory.dmp

      Filesize

      1.8MB

    • memory/1456-47-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3264-30-0x0000000005B30000-0x0000000005B7C000-memory.dmp

      Filesize

      304KB

    • memory/3264-32-0x000000006F530000-0x000000006F57C000-memory.dmp

      Filesize

      304KB

    • memory/3264-60-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-57-0x00000000070E0000-0x00000000070E8000-memory.dmp

      Filesize

      32KB

    • memory/3264-56-0x0000000007100000-0x000000000711A000-memory.dmp

      Filesize

      104KB

    • memory/3264-55-0x0000000007000000-0x0000000007014000-memory.dmp

      Filesize

      80KB

    • memory/3264-11-0x00000000021B0000-0x00000000021E6000-memory.dmp

      Filesize

      216KB

    • memory/3264-12-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-14-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-13-0x0000000004E50000-0x0000000005478000-memory.dmp

      Filesize

      6.2MB

    • memory/3264-15-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-16-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

      Filesize

      136KB

    • memory/3264-18-0x0000000004DE0000-0x0000000004E46000-memory.dmp

      Filesize

      408KB

    • memory/3264-17-0x0000000004D70000-0x0000000004DD6000-memory.dmp

      Filesize

      408KB

    • memory/3264-19-0x0000000005480000-0x00000000057D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3264-54-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

      Filesize

      56KB

    • memory/3264-29-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

      Filesize

      120KB

    • memory/3264-53-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

      Filesize

      68KB

    • memory/3264-33-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-52-0x0000000007040000-0x00000000070D6000-memory.dmp

      Filesize

      600KB

    • memory/3264-31-0x0000000006060000-0x0000000006092000-memory.dmp

      Filesize

      200KB

    • memory/3264-44-0x0000000006040000-0x000000000605E000-memory.dmp

      Filesize

      120KB

    • memory/3264-43-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3264-45-0x0000000006CB0000-0x0000000006D53000-memory.dmp

      Filesize

      652KB

    • memory/3264-46-0x0000000007410000-0x0000000007A8A000-memory.dmp

      Filesize

      6.5MB

    • memory/3264-51-0x0000000006E30000-0x0000000006E3A000-memory.dmp

      Filesize

      40KB

    • memory/3264-48-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

      Filesize

      104KB

    • memory/3560-50-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3560-4-0x00000000053D0000-0x00000000053DA000-memory.dmp

      Filesize

      40KB

    • memory/3560-6-0x0000000005660000-0x000000000567E000-memory.dmp

      Filesize

      120KB

    • memory/3560-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/3560-5-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3560-10-0x0000000007410000-0x00000000074AC000-memory.dmp

      Filesize

      624KB

    • memory/3560-9-0x0000000006DE0000-0x0000000006E6E000-memory.dmp

      Filesize

      568KB

    • memory/3560-8-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3560-7-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/3560-3-0x00000000053F0000-0x0000000005482000-memory.dmp

      Filesize

      584KB

    • memory/3560-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

      Filesize

      5.6MB

    • memory/3560-1-0x0000000000900000-0x00000000009C8000-memory.dmp

      Filesize

      800KB