Analysis
- max time kernel
70s - max time network
96s - platform
windows7_x64 - resource
win7 - submitted
08/08/2020, 08:31
General
- Target New_Inquiry_080820.exe
- Size 1.0MB
- Sample200808-vslyt9ebvx
- SHA256 3e4bbaedb75ecb1dba42d262fbb6c051d30dddbf7d10ceac4086836b67f1dd3a
Malware Config
Extracted
-
C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt
-
masslogger
- <|| v2.4.0.0 ||> 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: 8/8/2020 8:32:19 AM MassLogger Started: 8/8/2020 8:32:16 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> 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 ||> NA
Signatures
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- 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.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of WriteProcessMemory 13 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe"C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eOYCGE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF66E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1324-4-0x0000000007F80000-0x0000000008034000-memory.dmp
memory/1324-0-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1324-5-0x0000000008140000-0x00000000081F3000-memory.dmp
memory/1324-3-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1324-1-0x0000000000B70000-0x0000000000B71000-memory.dmp
memory/1776-8-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1776-10-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1776-11-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1776-12-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1776-15-0x00000000046C0000-0x0000000004731000-memory.dmp