Analysis

  • max time kernel
    119s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 09:11

General

  • Target

    PO8620801.pdf.exe

  • Size

    892KB

  • MD5

    60d3c0ba8ba14dc2070d16baf18a1986

  • SHA1

    244244ab1ebda098d7792eaea063cbad5fb16945

  • SHA256

    77b6742a4beccef32d22a13aa555eb35537265ecc3662f845d48a86dc126c875

  • SHA512

    d3304af1f4e3cc82fa4caa56e100f27efe1276a93697dc5a74ec6e540c3a9a44b1fde5c4ce7e798a1de1b89c88bd6c950f5b397becdf5aa6d476cb7b08263aa6

  • SSDEEP

    12288:Uoi6cfy84PI96XOnna8NymofY/6ZPcnrVGh06v75VZbuOY78cXrzzfdWsYYT:Xi6cWwYsYmoYTrVyl7buOW3zlnf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.puyehuechile.cl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Daem2024.

Extracted

Family

vipkeylogger

Credentials
C2

https://api.telegram.org/bot7734343353:AAEmQvfIoOWaFhz75a3JZ6hyXwpiKyq7nnY/sendMessage?chat_id=7049826127

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 3 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 6 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\PO8620801.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO8620801.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2696
    • 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\PO8620801.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VkAtJFoAQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VkAtJFoAQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2924
    • C:\Users\Admin\AppData\Local\Temp\PO8620801.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PO8620801.pdf.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:1860

Network

MITRE ATT&CK Enterprise v16

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

    4ce4f976acda52badb9916ef231e0880

    SHA1

    5634f3a5e558a4233213aafd44f9e8fc83a62d0c

    SHA256

    b65305f871a8fc5e819be4ce4969f083cec8a43d8e5bc595a1c495ef511593a6

    SHA512

    b6b4311e1a801608ff9465ca43315245865fb44e541375c4023ae6f9dcfcd1d3a28021b35c305b9c07bfddd6028a9fefcc76eb0daed71b840ada4be0dbce2454

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bzz54r41.fpe.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp

    Filesize

    1KB

    MD5

    2a33cdaadb3834f4e0d8df852a1500bb

    SHA1

    113f1485a45148cdaea2ede00f036bfa30ae318e

    SHA256

    e47b88ee8c2eaf7f39ed5dc23ff81cc9a53278b865268a3dce70992b2bf547b5

    SHA512

    8394c61a695448f8583f5ce48e88122f53f7c98740110fb8cb312d9738f84dc8e665f21e7114a2a68891b4208648bf5c4e453dafb88fd7cf63eb0c7c98262256

  • memory/1860-91-0x00000000073A0000-0x00000000078CC000-memory.dmp

    Filesize

    5.2MB

  • memory/1860-90-0x0000000006A20000-0x0000000006A70000-memory.dmp

    Filesize

    320KB

  • memory/1860-89-0x0000000006BA0000-0x0000000006D62000-memory.dmp

    Filesize

    1.8MB

  • memory/1860-45-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2468-23-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/2468-80-0x0000000007E80000-0x0000000007E9A000-memory.dmp

    Filesize

    104KB

  • memory/2468-76-0x0000000007DC0000-0x0000000007E56000-memory.dmp

    Filesize

    600KB

  • memory/2468-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-17-0x00000000059A0000-0x0000000005FC8000-memory.dmp

    Filesize

    6.2MB

  • memory/2468-15-0x0000000002F30000-0x0000000002F66000-memory.dmp

    Filesize

    216KB

  • memory/2468-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-19-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-77-0x0000000007D40000-0x0000000007D51000-memory.dmp

    Filesize

    68KB

  • memory/2468-48-0x0000000006820000-0x000000000683E000-memory.dmp

    Filesize

    120KB

  • memory/2468-22-0x0000000006080000-0x00000000060A2000-memory.dmp

    Filesize

    136KB

  • memory/2468-24-0x0000000006210000-0x0000000006276000-memory.dmp

    Filesize

    408KB

  • memory/2468-81-0x0000000007E60000-0x0000000007E68000-memory.dmp

    Filesize

    32KB

  • memory/2468-87-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-36-0x0000000006280000-0x00000000065D4000-memory.dmp

    Filesize

    3.3MB

  • memory/2468-61-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

    Filesize

    304KB

  • memory/2468-49-0x0000000006DC0000-0x0000000006E0C000-memory.dmp

    Filesize

    304KB

  • memory/2696-1-0x00000000000E0000-0x00000000001C6000-memory.dmp

    Filesize

    920KB

  • memory/2696-47-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/2696-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

    Filesize

    584KB

  • memory/2696-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-6-0x0000000004E60000-0x0000000004EFC000-memory.dmp

    Filesize

    624KB

  • memory/2696-7-0x0000000006600000-0x0000000006614000-memory.dmp

    Filesize

    80KB

  • memory/2696-4-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

    Filesize

    40KB

  • memory/2696-5-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-8-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/2696-2-0x00000000051E0000-0x0000000005784000-memory.dmp

    Filesize

    5.6MB

  • memory/2696-10-0x0000000005EC0000-0x0000000005F4E000-memory.dmp

    Filesize

    568KB

  • memory/3992-70-0x0000000006BF0000-0x0000000006C0E000-memory.dmp

    Filesize

    120KB

  • memory/3992-78-0x0000000006F80000-0x0000000006F8E000-memory.dmp

    Filesize

    56KB

  • memory/3992-79-0x0000000006F90000-0x0000000006FA4000-memory.dmp

    Filesize

    80KB

  • memory/3992-75-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

    Filesize

    40KB

  • memory/3992-74-0x0000000006D50000-0x0000000006D6A000-memory.dmp

    Filesize

    104KB

  • memory/3992-73-0x0000000007390000-0x0000000007A0A000-memory.dmp

    Filesize

    6.5MB

  • memory/3992-51-0x0000000070CE0000-0x0000000070D2C000-memory.dmp

    Filesize

    304KB

  • memory/3992-72-0x0000000006C10000-0x0000000006CB3000-memory.dmp

    Filesize

    652KB

  • memory/3992-88-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/3992-50-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

    Filesize

    200KB

  • memory/3992-21-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/3992-20-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB