General
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Target
2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader
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Size
3.8MB
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Sample
241030-ap6xss1pd1
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MD5
b38044c85c61344e55c645da14c2c5e9
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SHA1
3c7234f791f2da542d318965f6868b909a4b6c3e
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SHA256
20592cd3af7ef4fc50bf5df5ad426ff7ee6094239422ae1eec91467927e7170a
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SHA512
ae2a94a1b3be245e9226d39b81301dbc17e82815547343ac7c222f1d2e89038efb160a44699eb13abc41a53ef78b484bb31110a402457d22f931286ab5e927ad
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SSDEEP
98304:aF0lfx2WMXhJcemnWcOU/jIEeQfoR/IuOFVjUu5:v9x7ZeiLFIF0wu
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
vipkeylogger
Targets
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Target
2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader
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Size
3.8MB
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MD5
b38044c85c61344e55c645da14c2c5e9
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SHA1
3c7234f791f2da542d318965f6868b909a4b6c3e
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SHA256
20592cd3af7ef4fc50bf5df5ad426ff7ee6094239422ae1eec91467927e7170a
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SHA512
ae2a94a1b3be245e9226d39b81301dbc17e82815547343ac7c222f1d2e89038efb160a44699eb13abc41a53ef78b484bb31110a402457d22f931286ab5e927ad
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SSDEEP
98304:aF0lfx2WMXhJcemnWcOU/jIEeQfoR/IuOFVjUu5:v9x7ZeiLFIF0wu
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2