Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
14/04/2025, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
PO 8620801 .pdf.exe
Resource
win10v2004-20250410-en
General
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Target
PO 8620801 .pdf.exe
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Size
892KB
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MD5
60d3c0ba8ba14dc2070d16baf18a1986
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SHA1
244244ab1ebda098d7792eaea063cbad5fb16945
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SHA256
77b6742a4beccef32d22a13aa555eb35537265ecc3662f845d48a86dc126c875
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SHA512
d3304af1f4e3cc82fa4caa56e100f27efe1276a93697dc5a74ec6e540c3a9a44b1fde5c4ce7e798a1de1b89c88bd6c950f5b397becdf5aa6d476cb7b08263aa6
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SSDEEP
12288:Uoi6cfy84PI96XOnna8NymofY/6ZPcnrVGh06v75VZbuOY78cXrzzfdWsYYT:Xi6cWwYsYmoYTrVyl7buOW3zlnf
Malware Config
Extracted
Protocol: smtp- Host:
mail.puyehuechile.cl - Port:
587 - Username:
[email protected] - Password:
Daem2024.
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.puyehuechile.cl - Port:
587 - Username:
[email protected] - Password:
Daem2024. - Email To:
[email protected]
https://api.telegram.org/bot7734343353:AAEmQvfIoOWaFhz75a3JZ6hyXwpiKyq7nnY/sendMessage?chat_id=7049826127
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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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.
pid Process 1052 powershell.exe 1816 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\International\Geo\Nation PO 8620801 .pdf.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 reallyfreegeoip.org 16 reallyfreegeoip.org 12 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2292 set thread context of 4948 2292 PO 8620801 .pdf.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO 8620801 .pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO 8620801 .pdf.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4564 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1052 powershell.exe 1816 powershell.exe 4948 PO 8620801 .pdf.exe 1052 powershell.exe 1816 powershell.exe 4948 PO 8620801 .pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1052 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 4948 PO 8620801 .pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2292 wrote to memory of 1052 2292 PO 8620801 .pdf.exe 89 PID 2292 wrote to memory of 1052 2292 PO 8620801 .pdf.exe 89 PID 2292 wrote to memory of 1052 2292 PO 8620801 .pdf.exe 89 PID 2292 wrote to memory of 1816 2292 PO 8620801 .pdf.exe 91 PID 2292 wrote to memory of 1816 2292 PO 8620801 .pdf.exe 91 PID 2292 wrote to memory of 1816 2292 PO 8620801 .pdf.exe 91 PID 2292 wrote to memory of 4564 2292 PO 8620801 .pdf.exe 93 PID 2292 wrote to memory of 4564 2292 PO 8620801 .pdf.exe 93 PID 2292 wrote to memory of 4564 2292 PO 8620801 .pdf.exe 93 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 PID 2292 wrote to memory of 4948 2292 PO 8620801 .pdf.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe
Processes
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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:2292 -
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:1052
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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:1816
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VkAtJFoAQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2769.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4564
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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:4948
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c073eb68554fe18bdf9e5e223ae9b6d7
SHA1280b0fb7cff5688e9f4c6719a81484b4e213915a
SHA256cdae9b81ba29030a1e554c902f12b7065611728f5e9fa3ebf969c51529e36c59
SHA5129a4d343cf90430e262455a1b31f989d586aae3e8cc2ea37b19f0d19dd36c33c7ecf8850e1bd9c376d37cceb5e6fd342dead4779bf28bd26d2c3ab6de4cb10c89