Analysis
-
max time kernel
146s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 17:45
Static task
static1
Behavioral task
behavioral1
Sample
7b34fede01164a6602eccc2e71a58535a8e484562fe634c82fcf87256f951bcd.xls
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
7b34fede01164a6602eccc2e71a58535a8e484562fe634c82fcf87256f951bcd.xls
Resource
win10v2004-20220901-en
General
-
Target
7b34fede01164a6602eccc2e71a58535a8e484562fe634c82fcf87256f951bcd.xls
-
Size
688KB
-
MD5
64af151191f5d60b7ace7a8cb31e7948
-
SHA1
82c8c29ab11837559b42a7565e6fa14668dc9ece
-
SHA256
7b34fede01164a6602eccc2e71a58535a8e484562fe634c82fcf87256f951bcd
-
SHA512
6e34005d4dce744969886be0dae13d653ae3dd9632e539b94bc5891b90b48b450cf4d1105ec8b2f6cf9a3dfbe859bca0cad102fae4b2925d03ec1f3d0927e94e
-
SSDEEP
6144:6KmZ+RwPONXoRjDhIcp0fDlavx+W26nADOiYsPKcK7jtlSEKWiWJKL4lHWyy5zJ+:6KrpM3STW7jbqzJVzNJ0hDkZpI7Z
Malware Config
Extracted
formbook
8hj6
BPkphuLe3gBqfzJH1ZS0lzbRYw==
AMTxHcVHvLNwyogVF8SBkayHurU=
LOpN3n9Pjs2UI+oi1TMRyKqm1zr7Wg==
JDMgT/Us5w/NixQ=
MPSFlLYAFB3z
WeAEPsYnuT4RqJgSAw==
Cc9tepEFmnhatTrwHgQbNHQ=
iCGVsr8Lk3gUwXgo
+YX0IkWtcWZX445/IabQ
dFLJMtQdnup8p2CMDw==
TQ/GAhh5CP3nUMd/IabQ
g1OUvdLuvC4imZZbVQXxyGML
FRedytsqrpCA+9wIZeeMmayHurU=
k5OZ54nDlIIUwXgo
GCU1ZPY+TeKX9582
KvKuwGN8c9vk
o2mQnTrCiPq9omMhmTs=
SQ9FZuwk+GJXWA==
r03GDqMLl/PfqJgSAw==
2tPB6oKzhZBJmlhnzZUMHGk=
m2+cvlLotTEH66dwwkfq/WE=
q3caVHGpd7d1h9OXbjDFZA==
CRGk4vAfn6OJnUxqLhjQbg==
iWMbTe8F093BLqgO+ngcJlwNcKgjq6I=
fHqNrj+hK31YVwYQVdl8mKyHurU=
PdFOeITSUjj1WEJLw3odMKVyX5F+
gHn3IoVsNQfq
0Y0lPEaAWN7HfkZSpCo=
Ft3VK8QtvDcOqJgSAw==
ny+2CCpZZ4h9ggQ=
8vCHz/dK0J+cVlpl4BZRZg==
98HN23DUX+CP449/IabQ
WGVedgdp92Vib1sSAzVoM2UXdA==
jE+V0GLTkxnImVpuLhjQbg==
fH+MwGjhar95VkX4LhjQbg==
3KDpKcpkboxv3ZwwAA7MHPGW+vnCAKouQw==
bXNpgCfFQCUAWsd/IabQ
WeJovNkMktqDiww=
CNQjaw2BF4tXLu0g1k4JHWs=
AM32FLEjqfXfqJgSAw==
S005UdC8wI5lSg==
gIUeW4T7sZVUnRX9p8/gAWE=
FNsfiOcKA2cn0lj2NhG2aX4=
XfbL44O1hmVWT0T4LhjQbg==
5XPc6AuxLqeGxIQ5ExLY
ozOAzufTpw4=
PTo/bwZc6GJoYhQ1m5UMHGk=
e0gXXXrqnoNmT0T5LhjQbg==
5+m8191WIjXyVUVo75EqS9G+8l9n
jpkCKLEl5m8dqJgSAw==
bHflHKQKjOWqVlpl4BZRZg==
LgPADjaSkE8imlBcyZUMHGk=
JzZS0vwAFB3z
QU3iMYZkPMevwXvB+x9GYQ==
dD/hEBtT0LBtYBvwayI=
dgeEpazuc3NJsHgPFqg/YKyTAGJRH/mE
4X/R7YIBkgy1EwuLbTU=
3HPyGydx7cuN+7yxHxkPqkoD
o20ZSVqSZdmenJww
gocUQ1y7SSncoWUi
EB0uTu91NpyA7RvwayI=
Q0kkM8HLjYcUwXgo
BQuX5AItCpV/i0lot5UMHGk=
TRNzvtwlr5tmypR/IabQ
paulmontecalvo.com
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 3 544 EQNEDT32.EXE -
Downloads MZ/PE file
-
Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1396 vbc.exe 1036 vbc.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
vbc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation vbc.exe -
Loads dropped DLL 3 IoCs
Processes:
EQNEDT32.EXEsvchost.exepid process 544 EQNEDT32.EXE 544 EQNEDT32.EXE 1284 svchost.exe -
Uses the VBS compiler for execution 1 TTPs
-
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
vbc.exevbc.exesvchost.exedescription pid process target process PID 1396 set thread context of 1036 1396 vbc.exe vbc.exe PID 1036 set thread context of 1220 1036 vbc.exe Explorer.EXE PID 1284 set thread context of 1220 1284 svchost.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
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.
-
Processes:
EXCEL.EXEsvchost.exedescription ioc process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command 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\shell\edit\COMMAND EXCEL.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\"" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key deleted \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 HTML Editor\shell\edit EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor 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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\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 EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key created \Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open" 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\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application 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\mhtmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" 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\Excel.exe\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.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" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print 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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
vbc.exevbc.exepowershell.exesvchost.exepid process 1396 vbc.exe 1396 vbc.exe 1036 vbc.exe 1036 vbc.exe 1036 vbc.exe 1036 vbc.exe 1016 powershell.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
vbc.exesvchost.exepid process 1036 vbc.exe 1036 vbc.exe 1036 vbc.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe 1284 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
vbc.exevbc.exepowershell.exesvchost.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1396 vbc.exe Token: SeDebugPrivilege 1036 vbc.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 1284 svchost.exe Token: SeShutdownPrivilege 1220 Explorer.EXE Token: SeShutdownPrivilege 1220 Explorer.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1720 EXCEL.EXE 1720 EXCEL.EXE 1720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
EQNEDT32.EXEvbc.exeExplorer.EXEsvchost.exedescription pid process target process PID 544 wrote to memory of 1396 544 EQNEDT32.EXE vbc.exe PID 544 wrote to memory of 1396 544 EQNEDT32.EXE vbc.exe PID 544 wrote to memory of 1396 544 EQNEDT32.EXE vbc.exe PID 544 wrote to memory of 1396 544 EQNEDT32.EXE vbc.exe PID 1396 wrote to memory of 1016 1396 vbc.exe powershell.exe PID 1396 wrote to memory of 1016 1396 vbc.exe powershell.exe PID 1396 wrote to memory of 1016 1396 vbc.exe powershell.exe PID 1396 wrote to memory of 1016 1396 vbc.exe powershell.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1396 wrote to memory of 1036 1396 vbc.exe vbc.exe PID 1220 wrote to memory of 1284 1220 Explorer.EXE svchost.exe PID 1220 wrote to memory of 1284 1220 Explorer.EXE svchost.exe PID 1220 wrote to memory of 1284 1220 Explorer.EXE svchost.exe PID 1220 wrote to memory of 1284 1220 Explorer.EXE svchost.exe PID 1284 wrote to memory of 544 1284 svchost.exe Firefox.exe PID 1284 wrote to memory of 544 1284 svchost.exe Firefox.exe PID 1284 wrote to memory of 544 1284 svchost.exe Firefox.exe PID 1284 wrote to memory of 544 1284 svchost.exe Firefox.exe PID 1284 wrote to memory of 544 1284 svchost.exe Firefox.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220 -
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\7b34fede01164a6602eccc2e71a58535a8e484562fe634c82fcf87256f951bcd.xls2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1720
-
-
C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:544
-
-
-
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:544 -
C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Public\vbc.exe"3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
-
-
C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1036
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
696KB
MD507205206a527ceb42ff33e18897d3b01
SHA1abe1605c002d6fea1f1cc3d18003e21d8e1ead84
SHA256df240dd59b12cc79fd1afcbae82d36ba57cff186f18991a69fd42d1ef4639208
SHA5129f8046acfcf5f680055e7dc92e96353a42934ed73e8278d7ad8d55821e2107df84759bb4cde3b7f9e89aa0f2c0a774ef0219dcdccec92c9baffd2925d19b8652
-
Filesize
696KB
MD507205206a527ceb42ff33e18897d3b01
SHA1abe1605c002d6fea1f1cc3d18003e21d8e1ead84
SHA256df240dd59b12cc79fd1afcbae82d36ba57cff186f18991a69fd42d1ef4639208
SHA5129f8046acfcf5f680055e7dc92e96353a42934ed73e8278d7ad8d55821e2107df84759bb4cde3b7f9e89aa0f2c0a774ef0219dcdccec92c9baffd2925d19b8652
-
Filesize
696KB
MD507205206a527ceb42ff33e18897d3b01
SHA1abe1605c002d6fea1f1cc3d18003e21d8e1ead84
SHA256df240dd59b12cc79fd1afcbae82d36ba57cff186f18991a69fd42d1ef4639208
SHA5129f8046acfcf5f680055e7dc92e96353a42934ed73e8278d7ad8d55821e2107df84759bb4cde3b7f9e89aa0f2c0a774ef0219dcdccec92c9baffd2925d19b8652
-
Filesize
910KB
MD5d79258c5189103d69502eac786addb04
SHA1f34b33681cfe8ce649218173a7f58b237821c1ef
SHA25657d89a52061d70d87e40281f1196d53273f87860c4d707d667a8c7d9573da675
SHA512da797f4dd1ad628aa4e8004b2e00b7c278facbc57a313f56b70dc8fcfbdb0050ea8b025b3475098223cce96ea53537d678273656d46c2d33d81b496d90da34b2
-
Filesize
696KB
MD507205206a527ceb42ff33e18897d3b01
SHA1abe1605c002d6fea1f1cc3d18003e21d8e1ead84
SHA256df240dd59b12cc79fd1afcbae82d36ba57cff186f18991a69fd42d1ef4639208
SHA5129f8046acfcf5f680055e7dc92e96353a42934ed73e8278d7ad8d55821e2107df84759bb4cde3b7f9e89aa0f2c0a774ef0219dcdccec92c9baffd2925d19b8652
-
Filesize
696KB
MD507205206a527ceb42ff33e18897d3b01
SHA1abe1605c002d6fea1f1cc3d18003e21d8e1ead84
SHA256df240dd59b12cc79fd1afcbae82d36ba57cff186f18991a69fd42d1ef4639208
SHA5129f8046acfcf5f680055e7dc92e96353a42934ed73e8278d7ad8d55821e2107df84759bb4cde3b7f9e89aa0f2c0a774ef0219dcdccec92c9baffd2925d19b8652