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Analysis

  • max time kernel
    121s
  • 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
    28/11/2024, 16:08

General

  • Target

    ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe

  • Size

    737KB

  • MD5

    0e3b9fa81888888f2b8272b117aae92a

  • SHA1

    4678d9fd171a9b1532c8be7b7b6c9854f7393c56

  • SHA256

    ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105

  • SHA512

    5d4d0b70d93508cf6ccdbb56359d3b834964741c97a551cbc8084b4a49268b0d32079d9053186f0815f0d2f2ec311859980a47d5d015c42fa0f1fef62ec97852

  • SSDEEP

    12288:JHa+j3RbeXS9/LPND49Z9OtJY9ohY4I1+GDXawz7TIAUeBQmPt:J6+j35eXS9YcmxHz7T9UeSmPt

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 2 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 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe
    "C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.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:2156
    • 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\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3132
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kWzGdGdkV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kWzGdGdkV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3757.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5112
    • C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe
      "C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe"
      2⤵
        PID:1752
      • C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe
        "C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.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:1896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      b6ab9021dcf4830335a8b4934499ba13

      SHA1

      a120aa7fd9df293fb0e06cd125707f0184ced5cb

      SHA256

      a3df2f792d07ed42419562386ca2a8df2aecce5e38afbc7238bc820759b21adb

      SHA512

      dfa6ce7fd1f1bc3a413cb6ef5fad59e6915a44bce24fc37ed7d35880c945eadf54f80267db3696496b99dac6c2e1f602eac0644ffddb02cc05ac2b10fada7427

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_flms4gvp.cri.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp3757.tmp

      Filesize

      1KB

      MD5

      f8d47452c0aa36de0c782befe4841c7e

      SHA1

      4678ff65effc294d7e1ce4a08e6668b43b5e836a

      SHA256

      5e176a9e4455ce9cf9a86fe57f309a211e04f0d1c289572b7ae97c7d562ca473

      SHA512

      4b1a7931c2afb0110fee2d978714badcd8fb105caec7a357e39cd811a177568ef7b89773e9a8afd44dd94fbafb2d23fad5a2f83eb119a10f1aeb0ce26bb9e1ad

    • memory/1896-46-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1896-90-0x00000000067D0000-0x0000000006992000-memory.dmp

      Filesize

      1.8MB

    • memory/1896-91-0x0000000006660000-0x00000000066B0000-memory.dmp

      Filesize

      320KB

    • memory/2156-10-0x00000000071E0000-0x000000000726E000-memory.dmp

      Filesize

      568KB

    • memory/2156-5-0x00000000059C0000-0x00000000059CA000-memory.dmp

      Filesize

      40KB

    • memory/2156-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2156-7-0x0000000005DA0000-0x0000000005DBC000-memory.dmp

      Filesize

      112KB

    • memory/2156-1-0x0000000000F90000-0x000000000104E000-memory.dmp

      Filesize

      760KB

    • memory/2156-48-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2156-0-0x000000007533E000-0x000000007533F000-memory.dmp

      Filesize

      4KB

    • memory/2156-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/2156-6-0x0000000005C00000-0x0000000005C9C000-memory.dmp

      Filesize

      624KB

    • memory/2156-8-0x000000007533E000-0x000000007533F000-memory.dmp

      Filesize

      4KB

    • memory/2156-3-0x00000000058F0000-0x0000000005982000-memory.dmp

      Filesize

      584KB

    • memory/2156-4-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3132-21-0x0000000005090000-0x00000000050B2000-memory.dmp

      Filesize

      136KB

    • memory/3132-63-0x0000000007240000-0x00000000072E3000-memory.dmp

      Filesize

      652KB

    • memory/3132-20-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3132-23-0x00000000051A0000-0x0000000005206000-memory.dmp

      Filesize

      408KB

    • memory/3132-17-0x0000000005260000-0x0000000005888000-memory.dmp

      Filesize

      6.2MB

    • memory/3132-18-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3132-89-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3132-16-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3132-49-0x0000000006030000-0x000000000604E000-memory.dmp

      Filesize

      120KB

    • memory/3132-50-0x00000000061C0000-0x000000000620C000-memory.dmp

      Filesize

      304KB

    • memory/3132-62-0x0000000007220000-0x000000000723E000-memory.dmp

      Filesize

      120KB

    • memory/3132-22-0x0000000005130000-0x0000000005196000-memory.dmp

      Filesize

      408KB

    • memory/3132-52-0x0000000075BD0000-0x0000000075C1C000-memory.dmp

      Filesize

      304KB

    • memory/3132-51-0x00000000071E0000-0x0000000007212000-memory.dmp

      Filesize

      200KB

    • memory/3132-64-0x00000000079C0000-0x000000000803A000-memory.dmp

      Filesize

      6.5MB

    • memory/3132-65-0x0000000007380000-0x000000000739A000-memory.dmp

      Filesize

      104KB

    • memory/3132-66-0x00000000073F0000-0x00000000073FA000-memory.dmp

      Filesize

      40KB

    • memory/3132-15-0x0000000002740000-0x0000000002776000-memory.dmp

      Filesize

      216KB

    • memory/3132-77-0x0000000007600000-0x0000000007696000-memory.dmp

      Filesize

      600KB

    • memory/3132-78-0x0000000007580000-0x0000000007591000-memory.dmp

      Filesize

      68KB

    • memory/3132-79-0x00000000075B0000-0x00000000075BE000-memory.dmp

      Filesize

      56KB

    • memory/3132-80-0x00000000075C0000-0x00000000075D4000-memory.dmp

      Filesize

      80KB

    • memory/3132-81-0x00000000076C0000-0x00000000076DA000-memory.dmp

      Filesize

      104KB

    • memory/3132-82-0x00000000076A0000-0x00000000076A8000-memory.dmp

      Filesize

      32KB

    • memory/3604-45-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-67-0x0000000075BD0000-0x0000000075C1C000-memory.dmp

      Filesize

      304KB

    • memory/3604-42-0x0000000005830000-0x0000000005B84000-memory.dmp

      Filesize

      3.3MB

    • memory/3604-88-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-44-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-38-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB