Analysis
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max time kernel
123s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2025 11:49
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PO.exe
Resource
win10v2004-20241007-en
General
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Target
PO.exe
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Size
744KB
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MD5
3517733f27d8ee4cedc0987a778a1096
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SHA1
3406683fdd6e84793e51d107867e3610585918ed
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SHA256
f22de3de80368de8d284384fdabf68546097f6d5429ffdfe26f51d4b7b76dd8d
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SHA512
f3ec13547ec6f22e1c2a19b7f7f28db2fcb24214cecc36441ceba6ab46b7432752ec118d60a5db5735afb1d218b56ab359158459ec304ff8d5402da0aa7b5d18
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SSDEEP
12288:yiYRxA4Y5lyA/BxSPCzubE5G556BpUheDnLKuRSfzSrVMESf87Obz6Sruo7zNs/v:CRrtLKUheDDRq0MVbtl7ps/
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7773122470:AAHiC5UHGBaPGR4YIPW_XvO3jPCGyJL-2K8/sendMessage?chat_id=5925423018
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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4148 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation PO.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.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 25 reallyfreegeoip.org 18 checkip.dyndns.org 24 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2148 set thread context of 380 2148 PO.exe 99 -
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 3 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 PO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2148 PO.exe 2148 PO.exe 380 PO.exe 4148 powershell.exe 4148 powershell.exe 380 PO.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2148 PO.exe Token: SeDebugPrivilege 380 PO.exe Token: SeDebugPrivilege 4148 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2148 wrote to memory of 4148 2148 PO.exe 96 PID 2148 wrote to memory of 4148 2148 PO.exe 96 PID 2148 wrote to memory of 4148 2148 PO.exe 96 PID 2148 wrote to memory of 3980 2148 PO.exe 98 PID 2148 wrote to memory of 3980 2148 PO.exe 98 PID 2148 wrote to memory of 3980 2148 PO.exe 98 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 PID 2148 wrote to memory of 380 2148 PO.exe 99 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.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:2148 -
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.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"2⤵PID:3980
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.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:380
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Network
MITRE ATT&CK Enterprise v15
Credential 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