Analysis
-
max time kernel
149s -
max time network
151s -
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 10:41
Static task
static1
Behavioral task
behavioral1
Sample
denizbank 25.11.2024 E80 aspc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
denizbank 25.11.2024 E80 aspc.exe
Resource
win10v2004-20241007-en
General
-
Target
denizbank 25.11.2024 E80 aspc.exe
-
Size
737KB
-
MD5
99334c137b21036493a00305cd3189da
-
SHA1
3f4e22efc054a79fe7f1644b564f7a78d438f497
-
SHA256
4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc
-
SHA512
b734366e0678853abdf0e4704abeb88a545156b210d2243f9019e2506f40e6ba640f74b069e1753305245bd1a7376ff9dff462661419a52100e0d1901c976406
-
SSDEEP
12288:h15vH3RbeXyL05XULmZtHnZW11dSduUmDAqpNjm8M4FK/e3LsNejj1x9/:hnvH35eXNYulnZ6dSTmDQ8LE/APj1n
Malware Config
Extracted
vipkeylogger
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
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.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
denizbank 25.11.2024 E80 aspc.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation denizbank 25.11.2024 E80 aspc.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.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank 25.11.2024 E80 aspc.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank 25.11.2024 E80 aspc.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank 25.11.2024 E80 aspc.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:
denizbank 25.11.2024 E80 aspc.exedescription pid Process procid_target PID 4380 set thread context of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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:
denizbank 25.11.2024 E80 aspc.exedenizbank 25.11.2024 E80 aspc.exepowershell.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language denizbank 25.11.2024 E80 aspc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language denizbank 25.11.2024 E80 aspc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedenizbank 25.11.2024 E80 aspc.exepowershell.exepid Process 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4380 denizbank 25.11.2024 E80 aspc.exe 4144 denizbank 25.11.2024 E80 aspc.exe 3792 powershell.exe 3792 powershell.exe 4144 denizbank 25.11.2024 E80 aspc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedenizbank 25.11.2024 E80 aspc.exepowershell.exedescription pid Process Token: SeDebugPrivilege 4380 denizbank 25.11.2024 E80 aspc.exe Token: SeDebugPrivilege 4144 denizbank 25.11.2024 E80 aspc.exe Token: SeDebugPrivilege 3792 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exepid Process 4144 denizbank 25.11.2024 E80 aspc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedescription pid Process procid_target PID 4380 wrote to memory of 3792 4380 denizbank 25.11.2024 E80 aspc.exe 96 PID 4380 wrote to memory of 3792 4380 denizbank 25.11.2024 E80 aspc.exe 96 PID 4380 wrote to memory of 3792 4380 denizbank 25.11.2024 E80 aspc.exe 96 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 PID 4380 wrote to memory of 4144 4380 denizbank 25.11.2024 E80 aspc.exe 98 -
outlook_office_path 1 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank 25.11.2024 E80 aspc.exe -
outlook_win_path 1 IoCs
Processes:
denizbank 25.11.2024 E80 aspc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 denizbank 25.11.2024 E80 aspc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\denizbank 25.11.2024 E80 aspc.exe"C:\Users\Admin\AppData\Local\Temp\denizbank 25.11.2024 E80 aspc.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:4380 -
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\denizbank 25.11.2024 E80 aspc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3792
-
-
C:\Users\Admin\AppData\Local\Temp\denizbank 25.11.2024 E80 aspc.exe"C:\Users\Admin\AppData\Local\Temp\denizbank 25.11.2024 E80 aspc.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:4144
-
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
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82