Analysis
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max time kernel
63s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
09-11-2024 17:23
General
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Target
3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.exe
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Size
722KB
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MD5
6c31f17ad8d80dc4fb68cfa4c4198170
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SHA1
83b5a2d606109cf89c8ea1e9b3acb1c85dfe5697
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SHA256
3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bb
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SHA512
fa0cedb852f7e8c411e32641afe8e94e0f9b912bc13ed2f97b5eb3aee325708f6ba0ca2acdca090b8f04501bd378b318d1c058350d9a4ee6c45020b85dafb176
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SSDEEP
12288:iUQbEeX/zYMB0NfKRBn48pV9EirzAplEfIN+E8E6GusGx60KDcI:iU0//PBMf4n48p3Ap0E8SuhA5
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.catanhoinvestments.com - Port:
587 - Username:
[email protected] - Password:
RPgi34L1yoc - Email To:
[email protected]
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 2 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 5 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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 25 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\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.exe"C:\Users\Admin\AppData\Local\Temp\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.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\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ErSFbfvxs.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:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ErSFbfvxs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1D7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.exe"C:\Users\Admin\AppData\Local\Temp\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.exe"C:\Users\Admin\AppData\Local\Temp\3203bb89b0375b0d039790ecaa9a8b7b812e6934031348a2d508b2a5eb5219bbN.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
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential 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
MD51e574b792bff6cf3c1e76293cbb95d3a
SHA11cf9ad8993c4d7a8a147967a5ba02289ff8d035d
SHA256fe4de9d8d68beb675e93b8a8e253f3c818dd194183f02b7862d827fa534471b4
SHA5122413189b44d968747697c0eb1f52008f51a926a8ff652fa1f535f9d46c359003c81490a987f7b637198b1cc0894a97c6df435063f41b0ab5de83b14f667aa91d
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Filesize
7KB
MD54d416cb34487607cb0d69df7fcecf8c1
SHA1fc3938a6a28a33a65893e0f07ad13f03b13ca206
SHA256eda4fe96dac8aaf924a78037cf9dacf5be1f4d2757b2d19b934fb8a7d44dc0f7
SHA512ed99bb08e2a3eaf17c43ab7761c8c19679618ae29fd2bc9010505eaaeaa7377df21d58fe93ab4da51143bc07ba88cea0132ecc1e035cb2771e78d5c3cc9ebb1f
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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
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
560KB
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Filesize
744KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
112KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
4KB