Analysis
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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
Static task
static1
Behavioral task
behavioral1
Sample
PO 8620801 .pdf.exe
Resource
win10v2004-20250314-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 5420 powershell.exe 612 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-1-5-21-446031748-3036493239-2009529691-1000\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-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe Key opened \REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 8620801 .pdf.exe Key opened \REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Office\16.0\Outlook\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 37 checkip.dyndns.org 39 reallyfreegeoip.org 40 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 6104 set thread context of 1408 6104 PO 8620801 .pdf.exe 102 -
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 PO 8620801 .pdf.exe 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 -
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 6048 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5420 powershell.exe 5420 powershell.exe 612 powershell.exe 612 powershell.exe 5420 powershell.exe 612 powershell.exe 1408 PO 8620801 .pdf.exe 1408 PO 8620801 .pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5420 powershell.exe Token: SeDebugPrivilege 612 powershell.exe Token: SeDebugPrivilege 1408 PO 8620801 .pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 6104 wrote to memory of 5420 6104 PO 8620801 .pdf.exe 96 PID 6104 wrote to memory of 5420 6104 PO 8620801 .pdf.exe 96 PID 6104 wrote to memory of 5420 6104 PO 8620801 .pdf.exe 96 PID 6104 wrote to memory of 612 6104 PO 8620801 .pdf.exe 98 PID 6104 wrote to memory of 612 6104 PO 8620801 .pdf.exe 98 PID 6104 wrote to memory of 612 6104 PO 8620801 .pdf.exe 98 PID 6104 wrote to memory of 6048 6104 PO 8620801 .pdf.exe 100 PID 6104 wrote to memory of 6048 6104 PO 8620801 .pdf.exe 100 PID 6104 wrote to memory of 6048 6104 PO 8620801 .pdf.exe 100 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 PID 6104 wrote to memory of 1408 6104 PO 8620801 .pdf.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\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-1-5-21-446031748-3036493239-2009529691-1000\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: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
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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:612
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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\tmp9E15.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:6048
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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:1408
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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
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54cdef96bd951f3febcc1336396d21999
SHA1fd83d685e62d189eb58db5e7362786f55bdf0685
SHA2564e75e5d34b366b9082cb7db2ba2108cb0898aac945f55fd32b89c6032cee02b1
SHA5124bc68f68aa9360dc891b87612923e920e5002d39164e6fca1b5dcb54710a48f6719d34df41ca1c03df96f3d2b9726c33b56c6d55be3e5fa00f3a4848476ded69