Analysis
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max time kernel
130s -
max time network
146s -
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 10:46
Static task
static1
Behavioral task
behavioral1
Sample
denizbank25.11.2024E80aspc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
denizbank25.11.2024E80aspc.exe
Resource
win10v2004-20241007-en
General
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Target
denizbank25.11.2024E80aspc.exe
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Size
737KB
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MD5
99334c137b21036493a00305cd3189da
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SHA1
3f4e22efc054a79fe7f1644b564f7a78d438f497
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SHA256
4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc
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SHA512
b734366e0678853abdf0e4704abeb88a545156b210d2243f9019e2506f40e6ba640f74b069e1753305245bd1a7376ff9dff462661419a52100e0d1901c976406
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SSDEEP
12288:h15vH3RbeXyL05XULmZtHnZW11dSduUmDAqpNjm8M4FK/e3LsNejj1x9/:hnvH35eXNYulnZ6dSTmDQ8LE/APj1n
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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
denizbank25.11.2024E80aspc.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation denizbank25.11.2024E80aspc.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
Processes:
denizbank25.11.2024E80aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank25.11.2024E80aspc.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank25.11.2024E80aspc.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank25.11.2024E80aspc.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.
Processes:
flow ioc 20 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
denizbank25.11.2024E80aspc.exedescription pid Process procid_target PID 3448 set thread context of 1376 3448 denizbank25.11.2024E80aspc.exe 98 -
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.
Processes:
denizbank25.11.2024E80aspc.exedenizbank25.11.2024E80aspc.exepowershell.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language denizbank25.11.2024E80aspc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language denizbank25.11.2024E80aspc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
denizbank25.11.2024E80aspc.exedenizbank25.11.2024E80aspc.exepowershell.exepid Process 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 3448 denizbank25.11.2024E80aspc.exe 1376 denizbank25.11.2024E80aspc.exe 2880 powershell.exe 2880 powershell.exe 1376 denizbank25.11.2024E80aspc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
denizbank25.11.2024E80aspc.exedenizbank25.11.2024E80aspc.exepowershell.exedescription pid Process Token: SeDebugPrivilege 3448 denizbank25.11.2024E80aspc.exe Token: SeDebugPrivilege 1376 denizbank25.11.2024E80aspc.exe Token: SeDebugPrivilege 2880 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
denizbank25.11.2024E80aspc.exepid Process 1376 denizbank25.11.2024E80aspc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
denizbank25.11.2024E80aspc.exedescription pid Process procid_target PID 3448 wrote to memory of 2880 3448 denizbank25.11.2024E80aspc.exe 96 PID 3448 wrote to memory of 2880 3448 denizbank25.11.2024E80aspc.exe 96 PID 3448 wrote to memory of 2880 3448 denizbank25.11.2024E80aspc.exe 96 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 PID 3448 wrote to memory of 1376 3448 denizbank25.11.2024E80aspc.exe 98 -
outlook_office_path 1 IoCs
Processes:
denizbank25.11.2024E80aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank25.11.2024E80aspc.exe -
outlook_win_path 1 IoCs
Processes:
denizbank25.11.2024E80aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank25.11.2024E80aspc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe"C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.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:3448 -
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\denizbank25.11.2024E80aspc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe"C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1376
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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
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82