Analysis

  • max time kernel
    119s
  • max time network
    141s
  • 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, 09:08

General

  • Target

    PO 8620801 .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 8 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\PO 8620801 .pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 8620801 .pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6104
    • 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\PO 8620801 .pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5420
    • 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:612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VkAtJFoAQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:6048
    • C:\Users\Admin\AppData\Local\Temp\PO 8620801 .pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 8620801 .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:1408

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 8620801 .pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_boi0mevb.w5v.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp

    Filesize

    1KB

    MD5

    4cdef96bd951f3febcc1336396d21999

    SHA1

    fd83d685e62d189eb58db5e7362786f55bdf0685

    SHA256

    4e75e5d34b366b9082cb7db2ba2108cb0898aac945f55fd32b89c6032cee02b1

    SHA512

    4bc68f68aa9360dc891b87612923e920e5002d39164e6fca1b5dcb54710a48f6719d34df41ca1c03df96f3d2b9726c33b56c6d55be3e5fa00f3a4848476ded69

  • memory/612-76-0x00000000070F0000-0x00000000070FA000-memory.dmp

    Filesize

    40KB

  • memory/612-79-0x00000000072B0000-0x00000000072BE000-memory.dmp

    Filesize

    56KB

  • memory/612-77-0x0000000007300000-0x0000000007396000-memory.dmp

    Filesize

    600KB

  • memory/612-24-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/612-74-0x0000000007730000-0x0000000007DAA000-memory.dmp

    Filesize

    6.5MB

  • memory/612-75-0x0000000006440000-0x000000000645A000-memory.dmp

    Filesize

    104KB

  • memory/612-64-0x00000000709B0000-0x00000000709FC000-memory.dmp

    Filesize

    304KB

  • memory/612-82-0x00000000073A0000-0x00000000073A8000-memory.dmp

    Filesize

    32KB

  • memory/612-81-0x00000000073C0000-0x00000000073DA000-memory.dmp

    Filesize

    104KB

  • memory/612-85-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/612-23-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1408-45-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1408-89-0x0000000007370000-0x000000000789C000-memory.dmp

    Filesize

    5.2MB

  • memory/1408-87-0x0000000006B70000-0x0000000006D32000-memory.dmp

    Filesize

    1.8MB

  • memory/1408-88-0x0000000006A00000-0x0000000006A50000-memory.dmp

    Filesize

    320KB

  • memory/5420-18-0x00000000057E0000-0x0000000005E08000-memory.dmp

    Filesize

    6.2MB

  • memory/5420-49-0x00000000066C0000-0x00000000066DE000-memory.dmp

    Filesize

    120KB

  • memory/5420-78-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

    Filesize

    68KB

  • memory/5420-16-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5420-30-0x0000000005F90000-0x00000000062E4000-memory.dmp

    Filesize

    3.3MB

  • memory/5420-15-0x0000000005100000-0x0000000005136000-memory.dmp

    Filesize

    216KB

  • memory/5420-21-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/5420-17-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5420-22-0x0000000005F20000-0x0000000005F86000-memory.dmp

    Filesize

    408KB

  • memory/5420-20-0x0000000005E10000-0x0000000005E32000-memory.dmp

    Filesize

    136KB

  • memory/5420-50-0x0000000006BF0000-0x0000000006C3C000-memory.dmp

    Filesize

    304KB

  • memory/5420-62-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

    Filesize

    120KB

  • memory/5420-52-0x00000000709B0000-0x00000000709FC000-memory.dmp

    Filesize

    304KB

  • memory/5420-19-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5420-63-0x00000000078C0000-0x0000000007963000-memory.dmp

    Filesize

    652KB

  • memory/5420-51-0x0000000007680000-0x00000000076B2000-memory.dmp

    Filesize

    200KB

  • memory/5420-86-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5420-80-0x0000000007C20000-0x0000000007C34000-memory.dmp

    Filesize

    80KB

  • memory/6104-9-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/6104-5-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/6104-6-0x0000000005C80000-0x0000000005D1C000-memory.dmp

    Filesize

    624KB

  • memory/6104-4-0x0000000005950000-0x000000000595A000-memory.dmp

    Filesize

    40KB

  • memory/6104-7-0x00000000073A0000-0x00000000073B4000-memory.dmp

    Filesize

    80KB

  • memory/6104-3-0x00000000059D0000-0x0000000005A62000-memory.dmp

    Filesize

    584KB

  • memory/6104-2-0x0000000005F80000-0x0000000006524000-memory.dmp

    Filesize

    5.6MB

  • memory/6104-8-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/6104-1-0x0000000000E80000-0x0000000000F66000-memory.dmp

    Filesize

    920KB

  • memory/6104-48-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/6104-10-0x0000000006F80000-0x000000000700E000-memory.dmp

    Filesize

    568KB

  • memory/6104-0-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB