Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 02:24

General

  • Target

    d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe

  • Size

    791KB

  • MD5

    7f1cc457dae9b550c173da3dee6e81a9

  • SHA1

    ac8bb5bf84a393925397f8f6899ad1416ecab071

  • SHA256

    d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463

  • SHA512

    ddf587596c1a0f9c8050f3a2cef383881286e8176aa61f05bc329417c4695d8fc2f2b94e66497c8055b0815d477b4b50eefa6b9ac8ed7cee025af94cfe56010f

  • SSDEEP

    24576:1dC/qaSuyGXECnuq/2+pcyLvpXyL/i2tjxa7ayKp:ziUujpnuq/DcgvpCLq2tjck

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe
    "C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.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\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bLSqEX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bLSqEX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE407.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1504
    • C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe
      "C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe"
      2⤵
        PID:2664
      • C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe
        "C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3428

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          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

            869e3c97cbccb2a7d48daed1077fe1ac

            SHA1

            d06e14c8db8f76a4dacb65cb66d385ab838ef303

            SHA256

            c3709c57f7c2f25dff84b0c2eb40928df76387b303879ba93143404aa992440e

            SHA512

            fce12a2612af9897f8ad938955e9d8fbd65c3da8aa0b1a42612fb473b4566e6aeee5d4c820c848647c84ab7b26daa59844063089bdd62a7ff2b978a76f248ed0

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n0zeycdl.e34.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpE407.tmp

            Filesize

            1KB

            MD5

            1d8715adf18e4dcd76e277f3535c5eee

            SHA1

            81a71787c6797dd6171f79b23db77c2d8a6685ac

            SHA256

            4bf1037dffa19035aca70a05a8f392268e49e46d94317fc244304a7700b29b2e

            SHA512

            b94fd2e08e5956dd7e5a772e42d3be5927321d3d3be4ab162a4e319cf60f36b6bb87e537e5048e1e6573c5882d91c38e2ba183d491356327751333454d805a35

          • memory/2448-67-0x0000000007A00000-0x0000000007A0A000-memory.dmp

            Filesize

            40KB

          • memory/2448-69-0x0000000007B90000-0x0000000007BA1000-memory.dmp

            Filesize

            68KB

          • memory/2448-86-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/2448-83-0x0000000007CB0000-0x0000000007CB8000-memory.dmp

            Filesize

            32KB

          • memory/2448-50-0x0000000006640000-0x000000000665E000-memory.dmp

            Filesize

            120KB

          • memory/2448-81-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

            Filesize

            80KB

          • memory/2448-80-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

            Filesize

            56KB

          • memory/2448-68-0x0000000007C10000-0x0000000007CA6000-memory.dmp

            Filesize

            600KB

          • memory/2448-16-0x0000000002D30000-0x0000000002D66000-memory.dmp

            Filesize

            216KB

          • memory/2448-18-0x0000000005920000-0x0000000005F48000-memory.dmp

            Filesize

            6.2MB

          • memory/2448-17-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/2448-19-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/2448-21-0x00000000055A0000-0x00000000055C2000-memory.dmp

            Filesize

            136KB

          • memory/2448-66-0x0000000007990000-0x00000000079AA000-memory.dmp

            Filesize

            104KB

          • memory/2448-23-0x0000000006050000-0x00000000060B6000-memory.dmp

            Filesize

            408KB

          • memory/2448-65-0x0000000007FE0000-0x000000000865A000-memory.dmp

            Filesize

            6.5MB

          • memory/2448-22-0x00000000057C0000-0x0000000005826000-memory.dmp

            Filesize

            408KB

          • memory/2448-34-0x00000000060C0000-0x0000000006414000-memory.dmp

            Filesize

            3.3MB

          • memory/2448-45-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/2448-64-0x0000000007860000-0x0000000007903000-memory.dmp

            Filesize

            652KB

          • memory/2448-63-0x0000000007840000-0x000000000785E000-memory.dmp

            Filesize

            120KB

          • memory/2448-53-0x0000000075650000-0x000000007569C000-memory.dmp

            Filesize

            304KB

          • memory/2448-52-0x0000000007800000-0x0000000007832000-memory.dmp

            Filesize

            200KB

          • memory/2448-51-0x0000000006690000-0x00000000066DC000-memory.dmp

            Filesize

            304KB

          • memory/2448-82-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

            Filesize

            104KB

          • memory/3428-92-0x00000000063F0000-0x0000000006440000-memory.dmp

            Filesize

            320KB

          • memory/3428-91-0x0000000006570000-0x0000000006732000-memory.dmp

            Filesize

            1.8MB

          • memory/3428-46-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/3560-10-0x00000000064B0000-0x000000000653C000-memory.dmp

            Filesize

            560KB

          • memory/3560-49-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/3560-5-0x0000000005200000-0x000000000520A000-memory.dmp

            Filesize

            40KB

          • memory/3560-4-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/3560-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

            Filesize

            4KB

          • memory/3560-2-0x0000000005670000-0x0000000005C14000-memory.dmp

            Filesize

            5.6MB

          • memory/3560-3-0x0000000005160000-0x00000000051F2000-memory.dmp

            Filesize

            584KB

          • memory/3560-1-0x00000000006A0000-0x0000000000768000-memory.dmp

            Filesize

            800KB

          • memory/3560-11-0x0000000007930000-0x00000000079CC000-memory.dmp

            Filesize

            624KB

          • memory/3560-9-0x0000000005380000-0x0000000005390000-memory.dmp

            Filesize

            64KB

          • memory/3560-8-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/3560-7-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

            Filesize

            4KB

          • memory/3560-6-0x0000000005360000-0x0000000005372000-memory.dmp

            Filesize

            72KB

          • memory/4756-29-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/4756-70-0x0000000075650000-0x000000007569C000-memory.dmp

            Filesize

            304KB

          • memory/4756-90-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/4756-35-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB

          • memory/4756-48-0x0000000074DC0000-0x0000000075570000-memory.dmp

            Filesize

            7.7MB