Analysis
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max time kernel
143s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 12:16
Static task
static1
Behavioral task
behavioral1
Sample
dekont 25.11.2024 PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dekont 25.11.2024 PDF.exe
Resource
win10v2004-20241007-en
General
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Target
dekont 25.11.2024 PDF.exe
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Size
741KB
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MD5
d60a66242e0abeb6616804d2e81dd4cc
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SHA1
34c3a0524b4820bf6709e18a4ac6d1e47bb1f5a6
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SHA256
9cbae014418491b2cb56c09e4eef23899ca5e7e93c1e3a78db6fb4a6fd76bd9d
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SHA512
e154b3bad118edbb62e9b95679507a8fafc14535c954ef45d29c18e778c6b91fade5c0ab2ff3dd28c077956882ea1e76054a03ff2ddceba442249bcdd9a33c22
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SSDEEP
12288:wf87f3RbeXMO+08PdBnMOBmZ1eT75KLveEr1x9HqRm66OczRLBZCYpvi5Ft6EcJJ:w07f35eX5cuOK1esnrLl4WnHpvi5hcr
Malware Config
Extracted
vipkeylogger
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 4308 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation dekont 25.11.2024 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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dekont 25.11.2024 PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dekont 25.11.2024 PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dekont 25.11.2024 PDF.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3580 set thread context of 2428 3580 dekont 25.11.2024 PDF.exe 91 -
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 dekont 25.11.2024 PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dekont 25.11.2024 PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3580 dekont 25.11.2024 PDF.exe 3580 dekont 25.11.2024 PDF.exe 2428 dekont 25.11.2024 PDF.exe 4308 powershell.exe 4308 powershell.exe 2428 dekont 25.11.2024 PDF.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2428 dekont 25.11.2024 PDF.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3580 dekont 25.11.2024 PDF.exe Token: SeDebugPrivilege 2428 dekont 25.11.2024 PDF.exe Token: SeDebugPrivilege 4308 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2428 dekont 25.11.2024 PDF.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3580 wrote to memory of 4308 3580 dekont 25.11.2024 PDF.exe 89 PID 3580 wrote to memory of 4308 3580 dekont 25.11.2024 PDF.exe 89 PID 3580 wrote to memory of 4308 3580 dekont 25.11.2024 PDF.exe 89 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 PID 3580 wrote to memory of 2428 3580 dekont 25.11.2024 PDF.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dekont 25.11.2024 PDF.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dekont 25.11.2024 PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dekont 25.11.2024 PDF.exe"C:\Users\Admin\AppData\Local\Temp\dekont 25.11.2024 PDF.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:3580 -
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\dekont 25.11.2024 PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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C:\Users\Admin\AppData\Local\Temp\dekont 25.11.2024 PDF.exe"C:\Users\Admin\AppData\Local\Temp\dekont 25.11.2024 PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2428
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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