Analysis
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max time kernel
123s -
max time network
152s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
26-10-2021 12:30
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order_122.doc
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Purchase order_122.doc
Resource
win10-en-20211014
General
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Target
Purchase order_122.doc
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Size
434KB
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MD5
725c046a9a1bd2456115102985d98dd4
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SHA1
dce11d03bb6838c7761865f5149251d01df65946
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SHA256
9f33c3635ba0c704775ea7c0388955e5649ab913987d990e05f121b6c1681b7c
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SHA512
b2c8c5d2083d6f0b4dd468f9ca191d750e3ffd90bde4fea6e4ee2b88576b9ece5200902482120dcbada52cf0704c743c5539f5b47f268dd6792e0e812142cedb
Malware Config
Extracted
nanocore
1.2.2.0
drrkingsleym001.ddns.net:1665
70bb352e-dceb-4105-9fdd-010e83e28b1b
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activate_away_mode
true
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backup_connection_host
drrkingsleym001.ddns.net
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backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-07-31T04:41:53.700956836Z
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bypass_user_account_control
false
-
bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1665
-
default_group
NEW LIFE
-
enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
-
keyboard_logging
false
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lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
70bb352e-dceb-4105-9fdd-010e83e28b1b
-
mutex_timeout
5000
-
prevent_system_sleep
false
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primary_connection_host
drrkingsleym001.ddns.net
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primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1172-90-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1172-91-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1172-93-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
Nirsoft 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1172-90-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1172-91-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1172-93-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 5 584 EQNEDT32.EXE -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
catzjt7863.exepid process 1880 catzjt7863.exe -
Loads dropped DLL 1 IoCs
Processes:
EQNEDT32.EXEpid process 584 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
catzjt7863.exeRegSvcs.exedescription pid process target process PID 1880 set thread context of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1064 set thread context of 1172 1064 RegSvcs.exe vbc.exe PID 1064 set thread context of 1720 1064 RegSvcs.exe vbc.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\UDP Subsystem\udpss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\UDP Subsystem\udpss.exe RegSvcs.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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Office loads VBA resources, possible macro or embedded object present
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1732 schtasks.exe 428 schtasks.exe 1424 schtasks.exe -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
-
Processes:
WINWORD.EXEdescription ioc process 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 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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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\COMMAND WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell 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 (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 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 Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\shell\edit WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\edit\COMMAND 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 WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor 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 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit 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 HTML 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\htmlfile\shell\Print\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" 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\Excel.exe\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile 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 deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht 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 (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application 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\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon 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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 604 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
catzjt7863.exeRegSvcs.exevbc.exepid process 1880 catzjt7863.exe 1880 catzjt7863.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1064 RegSvcs.exe 1720 vbc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 1064 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
catzjt7863.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1880 catzjt7863.exe Token: SeDebugPrivilege 1064 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 604 WINWORD.EXE 604 WINWORD.EXE -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
EQNEDT32.EXEWINWORD.EXEcatzjt7863.exeRegSvcs.exedescription pid process target process PID 584 wrote to memory of 1880 584 EQNEDT32.EXE catzjt7863.exe PID 584 wrote to memory of 1880 584 EQNEDT32.EXE catzjt7863.exe PID 584 wrote to memory of 1880 584 EQNEDT32.EXE catzjt7863.exe PID 584 wrote to memory of 1880 584 EQNEDT32.EXE catzjt7863.exe PID 604 wrote to memory of 1000 604 WINWORD.EXE splwow64.exe PID 604 wrote to memory of 1000 604 WINWORD.EXE splwow64.exe PID 604 wrote to memory of 1000 604 WINWORD.EXE splwow64.exe PID 604 wrote to memory of 1000 604 WINWORD.EXE splwow64.exe PID 1880 wrote to memory of 1732 1880 catzjt7863.exe schtasks.exe PID 1880 wrote to memory of 1732 1880 catzjt7863.exe schtasks.exe PID 1880 wrote to memory of 1732 1880 catzjt7863.exe schtasks.exe PID 1880 wrote to memory of 1732 1880 catzjt7863.exe schtasks.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1880 wrote to memory of 1064 1880 catzjt7863.exe RegSvcs.exe PID 1064 wrote to memory of 428 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 428 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 428 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 428 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 1424 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 1424 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 1424 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 1424 1064 RegSvcs.exe schtasks.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1172 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.exe PID 1064 wrote to memory of 1720 1064 RegSvcs.exe vbc.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\Purchase order_122.doc"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\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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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
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C:\Users\Admin\AppData\Roaming\catzjt7863.exe"C:\Users\Admin\AppData\Roaming\catzjt7863.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eWoGxZG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B5E.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"3⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8DAF.tmp"4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8EB9.tmp"4⤵
- Creates scheduled task(s)
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\??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\thivxldw.uq0"4⤵
- Accesses Microsoft Outlook accounts
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\??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\iber0bc0.emo"4⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\iber0bc0.emoMD5
919e671c3d5959a91ef2d4c377d2b2ff
SHA1b1202b19512bbd390d3d5164792501c87bb42c41
SHA256d2e079df7cf6388315368ba79bf099ad2ff5428af51bf5abf2d99a2d7c5eb651
SHA512f3298256372beab8efe81b2e08d3b3869281f625de1ee13189c6b95eb2134d223df6f64cc9e490dd6b52a53aa936adc17bd5dfe4e50ee0fe420f3ebae276381c
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C:\Users\Admin\AppData\Local\Temp\thivxldw.uq0MD5
69b2a2e17e78d24abee9f1de2f04811a
SHA1d19c109704e83876ab3527457f9418a7d053aa33
SHA2561b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd
SHA512eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f
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C:\Users\Admin\AppData\Local\Temp\tmp8DAF.tmpMD5
40b11ef601fb28f9b2e69d36857bf2ec
SHA1b6454020ad2ceed193f4792b77001d0bd741b370
SHA256c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
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C:\Users\Admin\AppData\Local\Temp\tmp8EB9.tmpMD5
c4aecdef99eba873119e79616df3f4b0
SHA1b1b3af52655fb633eed909dfed05b64fbbfac37c
SHA25624fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b
SHA512e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4
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C:\Users\Admin\AppData\Roaming\catzjt7863.exeMD5
ace96cf7ef24eeac993b4da172a5a8f0
SHA1fa89615f55a87ef1d9ee9330ec5b0c040f54e8c1
SHA256d4ee80500d9c280e85b290b467592a5910e9d4ee127cfda17ad40467b2c88942
SHA512e1d5279223d7e82003bad73e94b1607b043c0b987987e99dc39ab9790558c4c840cd6949a37f87134fbd13b64c4a2492fb572eebde870db709d2a77c419c7ea1
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C:\Users\Admin\AppData\Roaming\catzjt7863.exeMD5
ace96cf7ef24eeac993b4da172a5a8f0
SHA1fa89615f55a87ef1d9ee9330ec5b0c040f54e8c1
SHA256d4ee80500d9c280e85b290b467592a5910e9d4ee127cfda17ad40467b2c88942
SHA512e1d5279223d7e82003bad73e94b1607b043c0b987987e99dc39ab9790558c4c840cd6949a37f87134fbd13b64c4a2492fb572eebde870db709d2a77c419c7ea1
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\Users\Admin\AppData\Roaming\catzjt7863.exeMD5
ace96cf7ef24eeac993b4da172a5a8f0
SHA1fa89615f55a87ef1d9ee9330ec5b0c040f54e8c1
SHA256d4ee80500d9c280e85b290b467592a5910e9d4ee127cfda17ad40467b2c88942
SHA512e1d5279223d7e82003bad73e94b1607b043c0b987987e99dc39ab9790558c4c840cd6949a37f87134fbd13b64c4a2492fb572eebde870db709d2a77c419c7ea1
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memory/428-77-0x0000000000000000-mapping.dmp
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memory/604-57-0x0000000076A81000-0x0000000076A83000-memory.dmpFilesize
8KB
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memory/604-54-0x0000000072D71000-0x0000000072D74000-memory.dmpFilesize
12KB
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memory/604-84-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/604-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/604-55-0x00000000707F1000-0x00000000707F3000-memory.dmpFilesize
8KB
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memory/1000-68-0x000007FEFC271000-0x000007FEFC273000-memory.dmpFilesize
8KB
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memory/1000-67-0x0000000000000000-mapping.dmp
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memory/1064-70-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1064-73-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1064-75-0x000000000041E792-mapping.dmp
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memory/1064-74-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1064-72-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1064-71-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1064-82-0x00000000022D1000-0x00000000022D2000-memory.dmpFilesize
4KB
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memory/1064-81-0x00000000022D0000-0x00000000022D1000-memory.dmpFilesize
4KB
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memory/1064-83-0x00000000022D6000-0x00000000022E7000-memory.dmpFilesize
68KB
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memory/1172-90-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-93-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-91-0x0000000000411654-mapping.dmp
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memory/1172-89-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-85-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-86-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-87-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1172-88-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1424-79-0x0000000000000000-mapping.dmp
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memory/1720-96-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-95-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-98-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-97-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-100-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-101-0x0000000000442628-mapping.dmp
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memory/1720-99-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1720-103-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1732-69-0x0000000000000000-mapping.dmp
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memory/1880-65-0x00000000001E1000-0x00000000001E2000-memory.dmpFilesize
4KB
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memory/1880-64-0x00000000001E0000-0x00000000001E1000-memory.dmpFilesize
4KB
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memory/1880-66-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/1880-60-0x0000000000000000-mapping.dmp