Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25-11-2024 10:41
General
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Target
denizbank 25.11.2024 E80 aspc.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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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
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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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⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\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
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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
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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
4KB
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Filesize
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
6.9MB
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Filesize
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
288KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
760KB
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Filesize
568KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
112KB