Analysis
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max time kernel
136s -
max time network
149s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-12-2021 12:11
Static task
static1
Behavioral task
behavioral1
Sample
ba41cfdab066b1042c036a2afd729db8.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ba41cfdab066b1042c036a2afd729db8.exe
Resource
win10-en-20211208
General
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Target
ba41cfdab066b1042c036a2afd729db8.exe
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Size
1.9MB
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MD5
ba41cfdab066b1042c036a2afd729db8
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SHA1
8369841c075f35cbe718adf6a82fc1169f649678
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SHA256
2822e6831ea3af883164c1711d3b6ac0a59b5403b557c044f56ac590b8ef5e22
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SHA512
dba0fb5a990ceb2780a2c9f7b6b172f1533f5e611fbf31234729096f23c029cc7c4b5eef6bbea87e86b446ed71478a7cf81b1103a4afeffae2be2bfa63eb0058
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ijxswknmmmycxzso
Extracted
matiex
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ijxswknmmmycxzso
Signatures
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Matiex Main Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1568-76-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex behavioral1/memory/1568-77-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex behavioral1/memory/1568-78-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex behavioral1/memory/1568-79-0x000000000046DFDE-mapping.dmp family_matiex behavioral1/memory/1568-80-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ba41cfdab066b1042c036a2afd729db8.exe\"" ba41cfdab066b1042c036a2afd729db8.exe -
Drops startup file 2 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe -
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection ba41cfdab066b1042c036a2afd729db8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features ba41cfdab066b1042c036a2afd729db8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths ba41cfdab066b1042c036a2afd729db8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe = "0" ba41cfdab066b1042c036a2afd729db8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ba41cfdab066b1042c036a2afd729db8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0" ba41cfdab066b1042c036a2afd729db8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ba41cfdab066b1042c036a2afd729db8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions ba41cfdab066b1042c036a2afd729db8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe = "0" ba41cfdab066b1042c036a2afd729db8.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ba41cfdab066b1042c036a2afd729db8.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ba41cfdab066b1042c036a2afd729db8.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ba41cfdab066b1042c036a2afd729db8.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba41cfdab066b1042c036a2afd729db8.exe" ba41cfdab066b1042c036a2afd729db8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba41cfdab066b1042c036a2afd729db8.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba41cfdab066b1042c036a2afd729db8.exe" ba41cfdab066b1042c036a2afd729db8.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 freegeoip.app 12 freegeoip.app 7 checkip.dyndns.org -
Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exepid process 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription pid process target process PID 1688 set thread context of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1456 1688 WerFault.exe ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeba41cfdab066b1042c036a2afd729db8.exeba41cfdab066b1042c036a2afd729db8.exepid process 1048 powershell.exe 1216 powershell.exe 996 powershell.exe 660 powershell.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1688 ba41cfdab066b1042c036a2afd729db8.exe 1568 ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exepid process 1568 ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exepowershell.exepowershell.exepowershell.exepowershell.exeba41cfdab066b1042c036a2afd729db8.exedescription pid process Token: SeDebugPrivilege 1688 ba41cfdab066b1042c036a2afd729db8.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeDebugPrivilege 996 powershell.exe Token: SeDebugPrivilege 1568 ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exepid process 1568 ba41cfdab066b1042c036a2afd729db8.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription pid process target process PID 1688 wrote to memory of 660 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 660 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 660 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 660 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1216 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1216 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1216 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1216 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 996 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 996 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 996 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 996 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1048 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1048 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1048 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 1048 1688 ba41cfdab066b1042c036a2afd729db8.exe powershell.exe PID 1688 wrote to memory of 240 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 240 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 240 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 240 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1568 1688 ba41cfdab066b1042c036a2afd729db8.exe ba41cfdab066b1042c036a2afd729db8.exe PID 1688 wrote to memory of 1456 1688 ba41cfdab066b1042c036a2afd729db8.exe WerFault.exe PID 1688 wrote to memory of 1456 1688 ba41cfdab066b1042c036a2afd729db8.exe WerFault.exe PID 1688 wrote to memory of 1456 1688 ba41cfdab066b1042c036a2afd729db8.exe WerFault.exe PID 1688 wrote to memory of 1456 1688 ba41cfdab066b1042c036a2afd729db8.exe WerFault.exe -
outlook_office_path 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ba41cfdab066b1042c036a2afd729db8.exe -
outlook_win_path 1 IoCs
Processes:
ba41cfdab066b1042c036a2afd729db8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ba41cfdab066b1042c036a2afd729db8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- 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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe" -Force2⤵
- 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\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe" -Force2⤵
- 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\Microsoft\Windows\Start Menu\Programs\Startup\ba41cfdab066b1042c036a2afd729db8.exe" -Force2⤵
- 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\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"C:\Users\Admin\AppData\Local\Temp\ba41cfdab066b1042c036a2afd729db8.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 18722⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msMD5
d1e949ad3d38cb964e4d8848e4d92c6a
SHA10493d81412df8dc6da1e07e73c2a0dfcb92a3781
SHA2560fd24ed914544f93541bc538575f04648395076778638427bc056d6f971f9b58
SHA512c6a13f993ab3f9a4fed8b122e8d35f975c98104d336115c246ce62e2f85e60fc043744c9c8ff0848c2f3b54d4bbca2a08c0dac91aab84e9e83cc4aca1e2b3a4c
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memory/660-72-0x0000000002321000-0x0000000002322000-memory.dmpFilesize
4KB
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memory/660-73-0x0000000002322000-0x0000000002324000-memory.dmpFilesize
8KB
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memory/660-58-0x0000000000000000-mapping.dmp
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memory/660-60-0x0000000076421000-0x0000000076423000-memory.dmpFilesize
8KB
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memory/660-67-0x0000000002320000-0x0000000002321000-memory.dmpFilesize
4KB
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memory/996-71-0x0000000002350000-0x0000000002F9A000-memory.dmpFilesize
12.3MB
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memory/996-61-0x0000000000000000-mapping.dmp
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memory/1048-68-0x00000000024B0000-0x00000000030FA000-memory.dmpFilesize
12.3MB
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memory/1048-63-0x0000000000000000-mapping.dmp
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memory/1216-70-0x00000000026E0000-0x000000000332A000-memory.dmpFilesize
12.3MB
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memory/1216-69-0x00000000026E0000-0x000000000332A000-memory.dmpFilesize
12.3MB
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memory/1216-59-0x0000000000000000-mapping.dmp
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memory/1456-82-0x0000000000000000-mapping.dmp
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memory/1568-78-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-76-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-75-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-74-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-77-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-79-0x000000000046DFDE-mapping.dmp
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memory/1568-80-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/1568-83-0x00000000005B0000-0x00000000005B1000-memory.dmpFilesize
4KB
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memory/1568-84-0x00000000005B5000-0x00000000005C6000-memory.dmpFilesize
68KB
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memory/1688-56-0x00000000007C0000-0x00000000007C1000-memory.dmpFilesize
4KB
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memory/1688-57-0x00000000003B0000-0x0000000000433000-memory.dmpFilesize
524KB
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memory/1688-54-0x0000000000980000-0x0000000000981000-memory.dmpFilesize
4KB