Analysis
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max time kernel
149s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28-10-2022 13:39
Static task
static1
Behavioral task
behavioral1
Sample
Fully Singed Aggrement.xlsx
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Fully Singed Aggrement.xlsx
Resource
win10v2004-20220901-en
General
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Target
Fully Singed Aggrement.xlsx
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Size
742KB
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MD5
f7afc6233a1a8e0607449a7552748722
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SHA1
2c448ddfddb4b1c0481698d5181b6295633e1777
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SHA256
fa167d133cb53da59f334ef6b12b264ef4e716a595084b6f922c4e447ea3def0
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SHA512
2609c7ff2590ab5a1987462045b6e92188d52724fc0ddb91f6365e0446ccf2c9381de014893a9b1f77a454967de1e128aae725b6e3be99474d2b8c3e60cc3a51
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SSDEEP
12288:38TesV8h7Hsh1mYDQlH4Fg4c6E3/pJ+QBC81JdzBffAHmZ76WW+y6ATWDmDjiYj:3OEzsh1msQlH74YpMiC81rJbbATb1j
Malware Config
Extracted
remcos
XP
xpremcuz300622.ddns.net:3542
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
oos.exe
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delete_file
false
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hide_file
true
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hide_keylog_file
false
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install_flag
true
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Remcos-MMP2I7
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
kkl
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 1 1076 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
Processes:
JEF.exeJEF.exeoos.exeoos.exepid process 1724 JEF.exe 1992 JEF.exe 1972 oos.exe 1704 oos.exe -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEcmd.exepid process 1076 EQNEDT32.EXE 1076 EQNEDT32.EXE 544 cmd.exe 544 cmd.exe -
Adds Run key to start application 2 TTPs 8 IoCs
Processes:
JEF.exeoos.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ JEF.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\kkl = "\"C:\\Users\\Admin\\AppData\\Roaming\\oos.exe\"" JEF.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ JEF.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\kkl = "\"C:\\Users\\Admin\\AppData\\Roaming\\oos.exe\"" JEF.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ oos.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\kkl = "\"C:\\Users\\Admin\\AppData\\Roaming\\oos.exe\"" oos.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ oos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\kkl = "\"C:\\Users\\Admin\\AppData\\Roaming\\oos.exe\"" oos.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
JEF.exeoos.exedescription pid process target process PID 1724 set thread context of 1992 1724 JEF.exe JEF.exe PID 1972 set thread context of 1704 1972 oos.exe oos.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Processes:
EXCEL.EXEdescription ioc process 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\"" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.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\"" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process 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\"" EXCEL.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" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.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" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1500 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
EXCEL.EXEoos.exepid process 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1704 oos.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
EQNEDT32.EXEJEF.exeJEF.exeWScript.execmd.exeoos.exedescription pid process target process PID 1076 wrote to memory of 1724 1076 EQNEDT32.EXE JEF.exe PID 1076 wrote to memory of 1724 1076 EQNEDT32.EXE JEF.exe PID 1076 wrote to memory of 1724 1076 EQNEDT32.EXE JEF.exe PID 1076 wrote to memory of 1724 1076 EQNEDT32.EXE JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1724 wrote to memory of 1992 1724 JEF.exe JEF.exe PID 1992 wrote to memory of 2012 1992 JEF.exe WScript.exe PID 1992 wrote to memory of 2012 1992 JEF.exe WScript.exe PID 1992 wrote to memory of 2012 1992 JEF.exe WScript.exe PID 1992 wrote to memory of 2012 1992 JEF.exe WScript.exe PID 2012 wrote to memory of 544 2012 WScript.exe cmd.exe PID 2012 wrote to memory of 544 2012 WScript.exe cmd.exe PID 2012 wrote to memory of 544 2012 WScript.exe cmd.exe PID 2012 wrote to memory of 544 2012 WScript.exe cmd.exe PID 544 wrote to memory of 1972 544 cmd.exe oos.exe PID 544 wrote to memory of 1972 544 cmd.exe oos.exe PID 544 wrote to memory of 1972 544 cmd.exe oos.exe PID 544 wrote to memory of 1972 544 cmd.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe PID 1972 wrote to memory of 1704 1972 oos.exe oos.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Fully Singed Aggrement.xlsx"1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1500
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Users\Admin\AppData\Roaming\JEF.exeC:\Users\Admin\AppData\Roaming\JEF.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Roaming\JEF.exe"C:\Users\Admin\AppData\Roaming\JEF.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"4⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\oos.exe"5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Roaming\oos.exeC:\Users\Admin\AppData\Roaming\oos.exe6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Roaming\oos.exe"C:\Users\Admin\AppData\Roaming\oos.exe"7⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1704
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\install.vbsFilesize
398B
MD5a5d3440f90cbfae712166e20870eaed7
SHA1cc1e1a2945eb2ad475234344f7527ad9e9873647
SHA256960a570da95b8d16809cbcc18e8ca4d81e16cb666354ddc1d572daf93f291f02
SHA512d3136a280fbb326ccc5cb5ab1214aed8ccd6baa7f3f89ef9e0b5bf391a957dab2c121640bb056e6cbda0594f83133c4dbb4e1e2f0e290b44a401cd2cf8cfd4aa
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C:\Users\Admin\AppData\Roaming\JEF.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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C:\Users\Admin\AppData\Roaming\JEF.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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C:\Users\Admin\AppData\Roaming\JEF.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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C:\Users\Admin\AppData\Roaming\oos.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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C:\Users\Admin\AppData\Roaming\oos.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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C:\Users\Admin\AppData\Roaming\oos.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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\Users\Admin\AppData\Roaming\JEF.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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\Users\Admin\AppData\Roaming\JEF.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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\Users\Admin\AppData\Roaming\oos.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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\Users\Admin\AppData\Roaming\oos.exeFilesize
936KB
MD5c44491911d5cfcc1dc31ac019c2714aa
SHA1635e1be851baee85fb17cb2781bc6d9ee6a94f8b
SHA2564fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
SHA512e4649b1878060833939f6762df5a95275f4b5c4b7108eab2100140a2a5fbd39374d8f9e177a9182423c74d246808e68228f6dd6b6cf109894a255f8ce4505c15
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memory/544-94-0x0000000000000000-mapping.dmp
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memory/1500-122-0x00000000727FD000-0x0000000072808000-memory.dmpFilesize
44KB
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memory/1500-69-0x00000000727FD000-0x0000000072808000-memory.dmpFilesize
44KB
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memory/1500-121-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1500-54-0x000000002F501000-0x000000002F504000-memory.dmpFilesize
12KB
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memory/1500-58-0x0000000075B41000-0x0000000075B43000-memory.dmpFilesize
8KB
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memory/1500-57-0x00000000727FD000-0x0000000072808000-memory.dmpFilesize
44KB
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memory/1500-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1500-55-0x0000000071811000-0x0000000071813000-memory.dmpFilesize
8KB
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memory/1704-120-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1704-115-0x000000000043168C-mapping.dmp
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memory/1704-123-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1724-67-0x0000000005030000-0x0000000005114000-memory.dmpFilesize
912KB
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memory/1724-71-0x0000000005DA0000-0x0000000005E1A000-memory.dmpFilesize
488KB
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memory/1724-62-0x0000000000000000-mapping.dmp
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memory/1724-65-0x0000000000C60000-0x0000000000D50000-memory.dmpFilesize
960KB
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memory/1724-68-0x00000000005C0000-0x00000000005D6000-memory.dmpFilesize
88KB
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memory/1724-70-0x00000000080C0000-0x0000000008172000-memory.dmpFilesize
712KB
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memory/1972-98-0x0000000000000000-mapping.dmp
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memory/1972-100-0x0000000000010000-0x0000000000100000-memory.dmpFilesize
960KB
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memory/1992-73-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-78-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-77-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-84-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-75-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-80-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-79-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-72-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-91-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-89-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-82-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/1992-85-0x000000000043168C-mapping.dmp
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memory/2012-90-0x0000000000000000-mapping.dmp