Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2024, 05:17

General

  • Target

    b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe

  • Size

    760KB

  • MD5

    7ef30b948f770a3ab89ba600d7769567

  • SHA1

    b174f4af296920bad58ee090c461f6373d621529

  • SHA256

    b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209

  • SHA512

    25a7dd8a3c1fba91e82adb045a2eb9eaff873811b8084bf7e07386b564b8eae635a65ef65d8d5025371bfd748a53f83edcbaa8fc1deb780fabe41c9f78220de5

  • SSDEEP

    12288:qdAoaDPw1Qk89TmyRvmG9CmmRWAyJ5z6+gn6+iUziaZ1GjK8abMVvdOnK3RlHKxl:GwLw9gTFRbhSWduhn6SBnGWyXOnK/Kxl

Malware Config

Extracted

Family

vipkeylogger

Credentials

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 4 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe
    "C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.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:2852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qcwJfgKIRobT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcwJfgKIRobT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE8B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1116
    • C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe
      "C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe"
      2⤵
        PID:2316
      • C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe
        "C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.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:4056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hsf0t2b2.dp2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpCE8B.tmp

      Filesize

      1KB

      MD5

      2a754a12b9b094c39c2177388899bf14

      SHA1

      ca9222146f679379a93d51ca10fe3fa20b50f94d

      SHA256

      54ce74690eba9feeb131ee3b9c568d729e219b5c6dde58ae11ae57b623522578

      SHA512

      557877debccef4c6f0646d16fb792b5c60d9d634acfe846a353f0950502c7da65bd9e97ee07a21f90afb907d8dfe4ca22e8abef91251d00864f1d183180e534f

    • memory/2852-6-0x0000000005CB0000-0x0000000005D4C000-memory.dmp

      Filesize

      624KB

    • memory/2852-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

      Filesize

      584KB

    • memory/2852-4-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-5-0x0000000005A00000-0x0000000005A0A000-memory.dmp

      Filesize

      40KB

    • memory/2852-2-0x0000000005FD0000-0x0000000006574000-memory.dmp

      Filesize

      5.6MB

    • memory/2852-7-0x0000000006E10000-0x0000000006E2E000-memory.dmp

      Filesize

      120KB

    • memory/2852-8-0x000000007467E000-0x000000007467F000-memory.dmp

      Filesize

      4KB

    • memory/2852-9-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-10-0x00000000053A0000-0x000000000542C000-memory.dmp

      Filesize

      560KB

    • memory/2852-36-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-1-0x0000000000F40000-0x0000000001000000-memory.dmp

      Filesize

      768KB

    • memory/2852-0-0x000000007467E000-0x000000007467F000-memory.dmp

      Filesize

      4KB

    • memory/4056-33-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/4056-64-0x0000000006410000-0x00000000065D2000-memory.dmp

      Filesize

      1.8MB

    • memory/4056-65-0x00000000062B0000-0x0000000006300000-memory.dmp

      Filesize

      320KB

    • memory/4416-40-0x0000000074F20000-0x0000000074F6C000-memory.dmp

      Filesize

      304KB

    • memory/4416-60-0x00000000070E0000-0x00000000070E8000-memory.dmp

      Filesize

      32KB

    • memory/4416-28-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-16-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-34-0x0000000005480000-0x00000000057D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4416-17-0x0000000004CD0000-0x00000000052F8000-memory.dmp

      Filesize

      6.2MB

    • memory/4416-15-0x0000000002190000-0x00000000021C6000-memory.dmp

      Filesize

      216KB

    • memory/4416-37-0x0000000005A90000-0x0000000005AAE000-memory.dmp

      Filesize

      120KB

    • memory/4416-38-0x0000000005AD0000-0x0000000005B1C000-memory.dmp

      Filesize

      304KB

    • memory/4416-39-0x0000000006C60000-0x0000000006C92000-memory.dmp

      Filesize

      200KB

    • memory/4416-22-0x0000000004C40000-0x0000000004CA6000-memory.dmp

      Filesize

      408KB

    • memory/4416-50-0x0000000006070000-0x000000000608E000-memory.dmp

      Filesize

      120KB

    • memory/4416-19-0x00000000049C0000-0x00000000049E2000-memory.dmp

      Filesize

      136KB

    • memory/4416-53-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

      Filesize

      104KB

    • memory/4416-51-0x0000000006CA0000-0x0000000006D43000-memory.dmp

      Filesize

      652KB

    • memory/4416-54-0x0000000006E30000-0x0000000006E3A000-memory.dmp

      Filesize

      40KB

    • memory/4416-55-0x0000000007040000-0x00000000070D6000-memory.dmp

      Filesize

      600KB

    • memory/4416-56-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

      Filesize

      68KB

    • memory/4416-57-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

      Filesize

      56KB

    • memory/4416-58-0x0000000007000000-0x0000000007014000-memory.dmp

      Filesize

      80KB

    • memory/4416-59-0x0000000007100000-0x000000000711A000-memory.dmp

      Filesize

      104KB

    • memory/4416-52-0x0000000007400000-0x0000000007A7A000-memory.dmp

      Filesize

      6.5MB

    • memory/4416-63-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-20-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-21-0x0000000004B60000-0x0000000004BC6000-memory.dmp

      Filesize

      408KB