Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
28-06-2022 09:59
Static task
static1
Behavioral task
behavioral1
Sample
kkk.xlsx
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
kkk.xlsx
Resource
win10v2004-20220414-en
General
-
Target
kkk.xlsx
-
Size
163KB
-
MD5
5f8e0c5da36c7ef9cb29286e51f9af09
-
SHA1
28f6c3f7a318b7a8efa42d921977dcf94b027475
-
SHA256
0e226c1cfbbeae5ad79674adf46902b2e402833c011a0e39311ccdc000660581
-
SHA512
7fbb83a524a56085173dbfbdbdc1fde3f65244f4a71d83f751c18ee8e95f1e5b20b8a29892a9c8a54613e9c5887bb50f50475003006b4d3a7f3d2899db8ba0ca
Malware Config
Extracted
xloader
2.8
nn40
LYAg0yANOGEAGeaFOrA/
MQWuERZplP+VZy/uszI=
CF0oDN0JimIaGy/uszI=
ltJnyC+ReohYaiTvj1qbEA==
B9OkgdctVKBAFjSUaw==
sbDVwSZVVqVB11/deow8GA==
v1gHDe0pzno=
i+/0n2vHUfGPR98k77tukZ90MQ==
SUtCnbS96Qm21g==
8X9qzyt1dpAo31jXrXfKb49fBPY=
5KlPxqHzSstuFjSUaw==
0r/Kesv/zuanroxvNQW0Gm8=
FFgS7kfPYAqpdhhgRgnBJHY=
LgusAHrkrIoWr0FWIe2o/04UXPw=
vBq9Gvxa9wbKbS/uszI=
Z+q6HAZNNeqwwQ==
wbS4fMb06SjU5Kbseow8GA==
1mZEuZvJ/m0L9bof56PkkZ90MQ==
JCJIM74lHk/o+tiFOrA/
d14FrM8rGEgIzVkT67+3XaEh
OtJqJTaZyD/bgy/uszI=
MMzqpo3pVjbaigine/p4W6dqZPJKkg==
LRS4MpnBeVxC/bqjf0kMBGop69QC
7FTxgWaTLAKbm3B0QgW0Gm8=
hjbYktAyum2JNK6N
WRtxyNlENeqwwQ==
MTOKH+0pzno=
8LkJ8EsWWHIK
zs758oMTaffAxI0bn2uqFw==
ariAXDqMsKpwF5U=
UEZOAmXFnpRh+rqD
T5e5xzlTNeqwwQ==
tp424+UDomI=
Y7VXD+I8CKVuDZQ=
zg6qeGbHO1F+FjSUaw==
JPypEB2CuDAz+bXSrjo=
8ah8cf5odcPNS+Sa
k+CGNhyOMKVuDZQ=
oVviitkD8B7ZmijeyIDFOI9nZPJKkg==
TtztqHfKKqQWuVRvT9fSSpJJmAFYLjw=
p6pvJHfZmJgx6XwYuL56b798MA==
WWmegczy4x2O+cIC27RtkZ90MQ==
/QrLiDyde3RJWRwRmWYo
PtShJAZG1WU6LP3osjo=
ZTrOf2PMho1kdm/JtSU=
A1ssC+pS8dvNS+Sa
K4g38tVda8DNS+Sa
Dz7fj13DnKh1iV8++X2H8Fbeq1jBGh4D
0AjPwNQtnWUEpDBAJbq9GG8p69QC
ALhKrIu7/5BTRf1OQAW0Gm8=
a5Zp3GrGWhzmrBYRmWYo
dwzcQzpnYYAi8G7eypfSS6d3oWmQnQ==
VR3AHfcDyG79m6bm0YnEOEBS/fQ=
pyZFKiWXNaVuDZQ=
dzf0zzBlYaqLFjSUaw==
D6TIj16hJ8JhJMom8rlxkZ90MQ==
8qkyvpp56Qm21g==
4qNmKHymVg3Bx4M=
MOiH6DRYhutyFjSUaw==
JqTDnm+zOQLV+83Ucm9GDw==
YQilIAQqUM5vFjSUaw==
84U/nbvTQwzcyQ==
mC34kB9LdeJuFjSUaw==
DKLKrbwuuWyJNK6N
thisismyhomevalue.com
Signatures
-
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
-
Xloader Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1412-78-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/1412-79-0x000000000041F640-mapping.dmp xloader behavioral1/memory/1412-82-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/1520-89-0x0000000000140000-0x000000000016C000-memory.dmp xloader -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 3 1280 EQNEDT32.EXE -
Downloads MZ/PE file
-
Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1804 vbc.exe 1412 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-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation vbc.exe -
Loads dropped DLL 5 IoCs
Processes:
EQNEDT32.EXEpid process 1280 EQNEDT32.EXE 1280 EQNEDT32.EXE 1280 EQNEDT32.EXE 1280 EQNEDT32.EXE 1280 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
-
Suspicious use of SetThreadContext 3 IoCs
Processes:
vbc.exevbc.exeraserver.exedescription pid process target process PID 1804 set thread context of 1412 1804 vbc.exe vbc.exe PID 1412 set thread context of 1220 1412 vbc.exe Explorer.EXE PID 1520 set thread context of 1220 1520 raserver.exe Explorer.EXE -
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.EXEdescription ioc process 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 Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor 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 Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" 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 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 created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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 MHTML Editor\shell\edit\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" 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 MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx EXCEL.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\"" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec 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\.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 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command 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\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm 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\DefaultIcon\ = "\"%1\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile 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\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" EXCEL.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\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler 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\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit 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 (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 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\command EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1056 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
vbc.exeraserver.exepid process 1412 vbc.exe 1412 vbc.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe 1520 raserver.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
vbc.exeraserver.exepid process 1412 vbc.exe 1412 vbc.exe 1412 vbc.exe 1520 raserver.exe 1520 raserver.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
vbc.exeraserver.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1412 vbc.exe Token: SeDebugPrivilege 1520 raserver.exe Token: SeShutdownPrivilege 1220 Explorer.EXE Token: SeShutdownPrivilege 1220 Explorer.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1056 EXCEL.EXE 1056 EXCEL.EXE 1056 EXCEL.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
EQNEDT32.EXEvbc.exeExplorer.EXEdescription pid process target process PID 1280 wrote to memory of 1804 1280 EQNEDT32.EXE vbc.exe PID 1280 wrote to memory of 1804 1280 EQNEDT32.EXE vbc.exe PID 1280 wrote to memory of 1804 1280 EQNEDT32.EXE vbc.exe PID 1280 wrote to memory of 1804 1280 EQNEDT32.EXE vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1804 wrote to memory of 1412 1804 vbc.exe vbc.exe PID 1220 wrote to memory of 1520 1220 Explorer.EXE raserver.exe PID 1220 wrote to memory of 1520 1220 Explorer.EXE raserver.exe PID 1220 wrote to memory of 1520 1220 Explorer.EXE raserver.exe PID 1220 wrote to memory of 1520 1220 Explorer.EXE raserver.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\kkk.xlsx2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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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\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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C:\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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C:\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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\Users\Public\vbc.exeFilesize
641KB
MD585be6547409011c0804230f2f09f7ca3
SHA133eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA2561d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA5125e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
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memory/1056-58-0x00000000764C1000-0x00000000764C3000-memory.dmpFilesize
8KB
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memory/1056-57-0x000000007237D000-0x0000000072388000-memory.dmpFilesize
44KB
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memory/1056-95-0x000000007237D000-0x0000000072388000-memory.dmpFilesize
44KB
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memory/1056-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1056-55-0x0000000071391000-0x0000000071393000-memory.dmpFilesize
8KB
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memory/1056-94-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1056-54-0x000000002F5D1000-0x000000002F5D4000-memory.dmpFilesize
12KB
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memory/1056-71-0x000000007237D000-0x0000000072388000-memory.dmpFilesize
44KB
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memory/1220-85-0x0000000004BB0000-0x0000000004CA8000-memory.dmpFilesize
992KB
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memory/1220-92-0x0000000004E10000-0x0000000004ED2000-memory.dmpFilesize
776KB
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memory/1220-93-0x0000000004E10000-0x0000000004ED2000-memory.dmpFilesize
776KB
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memory/1412-79-0x000000000041F640-mapping.dmp
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memory/1412-76-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1412-78-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1412-75-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1412-82-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1412-83-0x0000000000910000-0x0000000000C13000-memory.dmpFilesize
3.0MB
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memory/1412-84-0x0000000000170000-0x0000000000181000-memory.dmpFilesize
68KB
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memory/1520-90-0x0000000002140000-0x0000000002443000-memory.dmpFilesize
3.0MB
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memory/1520-91-0x00000000009F0000-0x0000000000A80000-memory.dmpFilesize
576KB
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memory/1520-86-0x0000000000000000-mapping.dmp
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memory/1520-88-0x0000000000D20000-0x0000000000D3C000-memory.dmpFilesize
112KB
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memory/1520-89-0x0000000000140000-0x000000000016C000-memory.dmpFilesize
176KB
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memory/1804-72-0x0000000000400000-0x000000000040A000-memory.dmpFilesize
40KB
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memory/1804-70-0x00000000003D0000-0x00000000003EC000-memory.dmpFilesize
112KB
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memory/1804-73-0x0000000005090000-0x00000000050FA000-memory.dmpFilesize
424KB
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memory/1804-74-0x0000000000960000-0x0000000000992000-memory.dmpFilesize
200KB
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memory/1804-68-0x0000000000FF0000-0x0000000001096000-memory.dmpFilesize
664KB
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memory/1804-65-0x0000000000000000-mapping.dmp