Analysis

  • max time kernel
    118s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 06:41

General

  • Target

    PI.02_30TH# TSSL-MX-062824.exe

  • Size

    684KB

  • MD5

    07f6ab2cc7e02e5b7eb3a1c1df9feb81

  • SHA1

    b1b285b06f48639161e5496a7faac584ac8542e7

  • SHA256

    d843feb33765df99f544515b6bcdffea27cb47a5a14f3b9ae50114b09fb6581d

  • SHA512

    562fa48f630061d0abe95896bd4580eae4b7af07c81f28cc042e5d3f59d7c5bbb13431032ff56863d483697157bb75b7bd5cc9b9368fd54e948d03ec75f8110b

  • SSDEEP

    12288:gJLdutCi+h12jplguYFeg3XbIaVCNfO5Rz9Z9cWqv8l58bQbn:gJLQCiVjplMbz8NOBD9ms2I

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7331041604:AAE-Us7UbUFSJts_TZoHHXgsfP7KSC7d5do/sendMessage?chat_id=7422462541

Signatures

  • VIPKeylogger

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

  • 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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.exe
    "C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.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:3144
    • 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\PI.02_30TH# TSSL-MX-062824.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4644
    • C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.exe
      "C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.exe"
      2⤵
        PID:3992
      • C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.exe
        "C:\Users\Admin\AppData\Local\Temp\PI.02_30TH# TSSL-MX-062824.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:920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PI.02_30TH# TSSL-MX-062824.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3d0hkoms.2q1.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/920-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/920-23-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/920-65-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/920-64-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/920-63-0x00000000072D0000-0x00000000077FC000-memory.dmp

      Filesize

      5.2MB

    • memory/920-62-0x0000000006A70000-0x0000000006AC0000-memory.dmp

      Filesize

      320KB

    • memory/920-61-0x0000000006BD0000-0x0000000006D92000-memory.dmp

      Filesize

      1.8MB

    • memory/920-15-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-4-0x0000000004F30000-0x0000000004F3A000-memory.dmp

      Filesize

      40KB

    • memory/3144-2-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3144-1-0x00000000002C0000-0x0000000000372000-memory.dmp

      Filesize

      712KB

    • memory/3144-14-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-5-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-6-0x0000000005320000-0x0000000005332000-memory.dmp

      Filesize

      72KB

    • memory/3144-7-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

      Filesize

      4KB

    • memory/3144-8-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

      Filesize

      4KB

    • memory/3144-10-0x000000000B270000-0x000000000B30C000-memory.dmp

      Filesize

      624KB

    • memory/3144-9-0x0000000008A20000-0x0000000008AAC000-memory.dmp

      Filesize

      560KB

    • memory/3144-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp

      Filesize

      584KB

    • memory/4644-37-0x0000000070A00000-0x0000000070A4C000-memory.dmp

      Filesize

      304KB

    • memory/4644-51-0x0000000007880000-0x000000000788A000-memory.dmp

      Filesize

      40KB

    • memory/4644-22-0x0000000005CC0000-0x0000000005D26000-memory.dmp

      Filesize

      408KB

    • memory/4644-34-0x00000000064E0000-0x00000000064FE000-memory.dmp

      Filesize

      120KB

    • memory/4644-35-0x0000000006510000-0x000000000655C000-memory.dmp

      Filesize

      304KB

    • memory/4644-19-0x0000000005620000-0x0000000005C48000-memory.dmp

      Filesize

      6.2MB

    • memory/4644-36-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

      Filesize

      200KB

    • memory/4644-47-0x0000000006AE0000-0x0000000006AFE000-memory.dmp

      Filesize

      120KB

    • memory/4644-48-0x00000000074F0000-0x0000000007593000-memory.dmp

      Filesize

      652KB

    • memory/4644-49-0x0000000007E50000-0x00000000084CA000-memory.dmp

      Filesize

      6.5MB

    • memory/4644-50-0x0000000007800000-0x000000000781A000-memory.dmp

      Filesize

      104KB

    • memory/4644-21-0x0000000005C50000-0x0000000005CB6000-memory.dmp

      Filesize

      408KB

    • memory/4644-52-0x0000000007A80000-0x0000000007B16000-memory.dmp

      Filesize

      600KB

    • memory/4644-53-0x0000000007A00000-0x0000000007A11000-memory.dmp

      Filesize

      68KB

    • memory/4644-54-0x0000000007A30000-0x0000000007A3E000-memory.dmp

      Filesize

      56KB

    • memory/4644-55-0x0000000007A40000-0x0000000007A54000-memory.dmp

      Filesize

      80KB

    • memory/4644-56-0x0000000007B40000-0x0000000007B5A000-memory.dmp

      Filesize

      104KB

    • memory/4644-57-0x0000000007B20000-0x0000000007B28000-memory.dmp

      Filesize

      32KB

    • memory/4644-60-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/4644-18-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/4644-17-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/4644-16-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

      Filesize

      216KB

    • memory/4644-20-0x0000000005430000-0x0000000005452000-memory.dmp

      Filesize

      136KB

    • memory/4644-29-0x0000000005EA0000-0x00000000061F4000-memory.dmp

      Filesize

      3.3MB