Analysis
- max time kernel
61s - max time network
86s - platform
windows7_x64 - resource
win7 - submitted
07/08/2020, 13:24
General
- Target SWIFT_30032131300221547_0029938344.exe
- Size 1021KB
- Sample200807-748hpcdvt2
- SHA256 a05377124fe9f9a262ddb1b58d2eac7556299ec686bf5c2f005bd4792131a3c8
Malware Config
Extracted
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C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt
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masslogger
- <|| v2.2.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 8/7/2020 1:25:09 PM MassLogger Started: 8/7/2020 1:25:06 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\SWIFT_30032131300221547_0029938344.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled
Signatures
- Suspicious use of SetThreadContext 1 IoCs
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SWIFT_30032131300221547_0029938344.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT_30032131300221547_0029938344.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SWIFT_30032131300221547_0029938344.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1096-6-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/1096-8-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/1096-9-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/1096-10-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1096-13-0x00000000009A0000-0x0000000000A11000-memory.dmp
memory/1096-14-0x0000000000840000-0x000000000084F000-memory.dmp
memory/1324-0-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1324-1-0x0000000000890000-0x0000000000891000-memory.dmp
memory/1324-3-0x0000000000600000-0x0000000000608000-memory.dmp
memory/1324-4-0x0000000005750000-0x0000000005811000-memory.dmp
memory/1324-5-0x0000000005980000-0x0000000005A40000-memory.dmp