Analysis

  • max time kernel
    125s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 02:09

General

  • Target

    0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe

  • Size

    978KB

  • MD5

    a1d6c4ee5e1bf8e8e8e335e25e3cb4ef

  • SHA1

    d55f64167243a1211ad7b3f51174c70f2d3d1c3d

  • SHA256

    0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21

  • SHA512

    be8182bf4b9bef516dc113b05b2c3d0f834c1d8bb40f266da9948e23339ea94a2c63484f335da46410d5e6e291f997a2e9e2dfc32da73cd51db0fb053fea44c8

  • SSDEEP

    12288:Kfe0GVO35OOvzI/wDadTZoieenOIbgIC+Ukq09xZmFP85h7ScC3:Kff3c4uWadT+i3/bTUkqc8P8zSc

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\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
    "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.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:3336
    • 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\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EfgRyiVrT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EfgRyiVrT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE9D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
      "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
      2⤵
        PID:544
      • C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
        "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.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:5100

    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

      76ed1583f1b2827f3ece95b99dd86f68

      SHA1

      9593ab0a9ca0f17ace5b31fc1b58009e90806c0b

      SHA256

      cf0c69e78ea9a48589b83854cf719a9a1e995802605f5630b30db251b936121a

      SHA512

      59779002e4be86f216b88f98381c7da2f6fb0396ea63b7ef5d0dab1b1b60403e430fcb670eb84e0d2e540b9ab7eb67c6fdcdacea48e3573046ed2075b7887a63

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bhdyfgek.rxs.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpBE9D.tmp

      Filesize

      1KB

      MD5

      d5d9b6ed3df693408eed6abd861535d6

      SHA1

      8aa6b7e6638845b1e1ebb332d72362181d3726e9

      SHA256

      830f374d180b8482707bc0e53e43624d28e2d8d83db82c1de3c3f41a7674b761

      SHA512

      b410c3b86551ccbe586d1b846b665755e87c145ed2c9365e2b20059d7d9d15b02fb1cab73577c39bebdaedc6f484b05e78e03d21601a8f46bdf4a9f08f53f6c0

    • memory/1716-26-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-75-0x0000000007290000-0x00000000072AA000-memory.dmp

      Filesize

      104KB

    • memory/1716-27-0x0000000005950000-0x0000000005CA4000-memory.dmp

      Filesize

      3.3MB

    • memory/1716-25-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-77-0x0000000007510000-0x00000000075A6000-memory.dmp

      Filesize

      600KB

    • memory/1716-80-0x00000000074D0000-0x00000000074E4000-memory.dmp

      Filesize

      80KB

    • memory/1716-81-0x00000000075D0000-0x00000000075EA000-memory.dmp

      Filesize

      104KB

    • memory/1716-89-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-74-0x00000000078D0000-0x0000000007F4A000-memory.dmp

      Filesize

      6.5MB

    • memory/1716-62-0x000000006F780000-0x000000006F7CC000-memory.dmp

      Filesize

      304KB

    • memory/1716-19-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-6-0x0000000006310000-0x000000000632E000-memory.dmp

      Filesize

      120KB

    • memory/3336-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

      Filesize

      4KB

    • memory/3336-10-0x000000000A470000-0x000000000A50C000-memory.dmp

      Filesize

      624KB

    • memory/3336-9-0x0000000006780000-0x000000000680E000-memory.dmp

      Filesize

      568KB

    • memory/3336-8-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-7-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

      Filesize

      4KB

    • memory/3336-50-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-5-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

      Filesize

      40KB

    • memory/3336-4-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/3336-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

      Filesize

      584KB

    • memory/3336-2-0x00000000053F0000-0x0000000005994000-memory.dmp

      Filesize

      5.6MB

    • memory/3336-1-0x00000000004F0000-0x00000000005EA000-memory.dmp

      Filesize

      1000KB

    • memory/4136-16-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/4136-78-0x0000000007070000-0x0000000007081000-memory.dmp

      Filesize

      68KB

    • memory/4136-51-0x0000000006CF0000-0x0000000006D22000-memory.dmp

      Filesize

      200KB

    • memory/4136-48-0x0000000005B30000-0x0000000005B4E000-memory.dmp

      Filesize

      120KB

    • memory/4136-71-0x0000000006D30000-0x0000000006D4E000-memory.dmp

      Filesize

      120KB

    • memory/4136-52-0x000000006F780000-0x000000006F7CC000-memory.dmp

      Filesize

      304KB

    • memory/4136-73-0x0000000006D50000-0x0000000006DF3000-memory.dmp

      Filesize

      652KB

    • memory/4136-23-0x0000000005290000-0x00000000052F6000-memory.dmp

      Filesize

      408KB

    • memory/4136-88-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/4136-76-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

      Filesize

      40KB

    • memory/4136-24-0x00000000054B0000-0x0000000005516000-memory.dmp

      Filesize

      408KB

    • memory/4136-49-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

      Filesize

      304KB

    • memory/4136-79-0x00000000070A0000-0x00000000070AE000-memory.dmp

      Filesize

      56KB

    • memory/4136-22-0x0000000004B70000-0x0000000004B92000-memory.dmp

      Filesize

      136KB

    • memory/4136-20-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/4136-82-0x0000000007190000-0x0000000007198000-memory.dmp

      Filesize

      32KB

    • memory/4136-18-0x0000000074AA0000-0x0000000075250000-memory.dmp

      Filesize

      7.7MB

    • memory/4136-17-0x0000000004C60000-0x0000000005288000-memory.dmp

      Filesize

      6.2MB

    • memory/4136-15-0x0000000002240000-0x0000000002276000-memory.dmp

      Filesize

      216KB

    • memory/5100-38-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/5100-90-0x0000000006F40000-0x0000000007102000-memory.dmp

      Filesize

      1.8MB

    • memory/5100-91-0x0000000006DE0000-0x0000000006E30000-memory.dmp

      Filesize

      320KB