Analysis
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max time kernel
117s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17-12-2024 07:24
General
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Target
HIROSHIMA STAR - VSL's_DETAILS.docx.scr.exe
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Size
885KB
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MD5
bf49fb7c260b15a61c5849a49fdee343
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SHA1
059f7b0a2d5f6b18a06f9ccd2995a7ecb9d69b14
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SHA256
4733c3841f338c4b95b5226678de7358eaf8604750ee3aa3c3d55ce829db11b3
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SHA512
325b8b7c2337493a69160532187177cd8c1bdb0bf341738d1f980f0367fbf68b20693c45721fc9bdf24d5552dfbe144f81607bb5aa68bd778a6e4851f826c938
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SSDEEP
12288:PM8dqyq2Kn6B6L/U0uQMf0zR6B8e40fh4E7joIHMopRdeCiL3Oc7mMPku+l0CPP+:kE9BGM0Sf+6arU7jPfvbiL+cZPd+p+
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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Disables Task Manager via registry modification
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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 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 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\HIROSHIMA STAR - VSL's_DETAILS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\HIROSHIMA STAR - VSL's_DETAILS.docx.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\HIROSHIMA STAR - VSL's_DETAILS.docx.scr.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\HIROSHIMA STAR - VSL's_DETAILS.docx.scr.exe"C:\Users\Admin\AppData\Local\Temp\HIROSHIMA STAR - VSL's_DETAILS.docx.scr.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
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
6.9MB
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Filesize
912KB
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Filesize
6.9MB
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Filesize
152KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
568KB
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Filesize
4KB
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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
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
288KB
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Filesize
4KB
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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
288KB