Analysis
-
max time kernel
100s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-01-2023 10:39
Static task
static1
Behavioral task
behavioral1
Sample
PO 1000402812.docx
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
PO 1000402812.docx
Resource
win10v2004-20220812-en
General
-
Target
PO 1000402812.docx
-
Size
10KB
-
MD5
3c38c3b169bedb037cee953bf1cb5337
-
SHA1
28b9865f270988d11715e5bc7198ec5d56836da4
-
SHA256
0014a45ae52c94430c3e11044f1ea495c7b490600a3d014d365c2d55dc2b79dd
-
SHA512
67f5d3c6bbf677269b2fa8dddac54eefcfc4636fac58950a9f0a3f45fbf79e31117426ce433c77cafafcdc3a2d41d53bbd0d5ba318c4c01f9b8f744e62632072
-
SSDEEP
192:ScIMmtP8ar5G/bfIdTO7V5namWBX8ex6y39EvR:SPXt4ATO7V5nosMyp
Malware Config
Extracted
Protocol: smtp- Host:
mail.clipjoint.co.nz - Port:
587 - Username:
[email protected] - Password:
melandloz64
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 7 616 EQNEDT32.EXE -
Downloads MZ/PE file
-
Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1256 vbc.exe 992 vbc.exe -
Abuses OpenXML format to download file from external location 2 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\14.0\Common WINWORD.EXE Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Common\Offline\Files\http://3221452405/_--00_o0-0oo0-o0-o______---0-o_o0-__________o0o-__________/xgyyhjujujjdfjghjfdggsahfhfghf.doc WINWORD.EXE -
Loads dropped DLL 2 IoCs
Processes:
EQNEDT32.EXEpid process 616 EQNEDT32.EXE 616 EQNEDT32.EXE -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 api.ipify.org 12 api.ipify.org -
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 1 IoCs
Processes:
vbc.exedescription pid process target process PID 1256 set thread context of 992 1256 vbc.exe vbc.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.
-
Office loads VBA resources, possible macro or embedded object present
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\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 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 HTML Editor WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND 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 Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key deleted \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 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit 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 (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE -
Modifies registry class 64 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" 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 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit WINWORD.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\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" WINWORD.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" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1636 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exepowershell.exepid process 1256 vbc.exe 1256 vbc.exe 1600 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
vbc.exevbc.exepowershell.exeWINWORD.EXEdescription pid process Token: SeDebugPrivilege 1256 vbc.exe Token: SeDebugPrivilege 992 vbc.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeShutdownPrivilege 1636 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1636 WINWORD.EXE 1636 WINWORD.EXE -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
EQNEDT32.EXEWINWORD.EXEvbc.exedescription pid process target process PID 616 wrote to memory of 1256 616 EQNEDT32.EXE vbc.exe PID 616 wrote to memory of 1256 616 EQNEDT32.EXE vbc.exe PID 616 wrote to memory of 1256 616 EQNEDT32.EXE vbc.exe PID 616 wrote to memory of 1256 616 EQNEDT32.EXE vbc.exe PID 1636 wrote to memory of 108 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 108 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 108 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 108 1636 WINWORD.EXE splwow64.exe PID 1256 wrote to memory of 1600 1256 vbc.exe powershell.exe PID 1256 wrote to memory of 1600 1256 vbc.exe powershell.exe PID 1256 wrote to memory of 1600 1256 vbc.exe powershell.exe PID 1256 wrote to memory of 1600 1256 vbc.exe powershell.exe PID 1256 wrote to memory of 1712 1256 vbc.exe schtasks.exe PID 1256 wrote to memory of 1712 1256 vbc.exe schtasks.exe PID 1256 wrote to memory of 1712 1256 vbc.exe schtasks.exe PID 1256 wrote to memory of 1712 1256 vbc.exe schtasks.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe PID 1256 wrote to memory of 992 1256 vbc.exe vbc.exe -
outlook_office_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
outlook_win_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe
Processes
-
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\PO 1000402812.docx"1⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:108
-
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:616 -
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:1256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DbdcvGY.exe"3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DbdcvGY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA00.tmp"3⤵
- Creates scheduled task(s)
PID:1712 -
C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:992
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmpA00.tmpFilesize
1KB
MD5bc6f521f332c1ecda85883e03849b2d4
SHA1e783e26fb219d8f86f241159550f40861bd97e32
SHA2566ee335eac0f95536ff578ab1990ff9b0dd8e4eee29ca99f5da3e73bdbf2e8039
SHA51274940931c9b9372091b9769508cb7b2a51f644e7bae2d296fee9faa85f9ce94fb13c92538f644aa252ad331d6a8c21a0eb4b1cc4b27cfbde407aaf0d463d06a4
-
C:\Users\Public\vbc.exeFilesize
792KB
MD5a31f92bbac72fca0b113457852c64312
SHA1a546f4090e10d038e459579a79a285b21869e622
SHA256ee3863179132508ada531d213c8d72401575ff6ac63633768bbcd937cc6bcfe1
SHA5120b95fea628805fea036c540b5c5d3f945b6d43ade10c0006ec40c4b7649eb4ae884187fe8d4275c266c2ffcb7a5780441a2940938e76dafcde5124bc71749cbe
-
C:\Users\Public\vbc.exeFilesize
792KB
MD5a31f92bbac72fca0b113457852c64312
SHA1a546f4090e10d038e459579a79a285b21869e622
SHA256ee3863179132508ada531d213c8d72401575ff6ac63633768bbcd937cc6bcfe1
SHA5120b95fea628805fea036c540b5c5d3f945b6d43ade10c0006ec40c4b7649eb4ae884187fe8d4275c266c2ffcb7a5780441a2940938e76dafcde5124bc71749cbe
-
C:\Users\Public\vbc.exeFilesize
792KB
MD5a31f92bbac72fca0b113457852c64312
SHA1a546f4090e10d038e459579a79a285b21869e622
SHA256ee3863179132508ada531d213c8d72401575ff6ac63633768bbcd937cc6bcfe1
SHA5120b95fea628805fea036c540b5c5d3f945b6d43ade10c0006ec40c4b7649eb4ae884187fe8d4275c266c2ffcb7a5780441a2940938e76dafcde5124bc71749cbe
-
\Users\Public\vbc.exeFilesize
792KB
MD5a31f92bbac72fca0b113457852c64312
SHA1a546f4090e10d038e459579a79a285b21869e622
SHA256ee3863179132508ada531d213c8d72401575ff6ac63633768bbcd937cc6bcfe1
SHA5120b95fea628805fea036c540b5c5d3f945b6d43ade10c0006ec40c4b7649eb4ae884187fe8d4275c266c2ffcb7a5780441a2940938e76dafcde5124bc71749cbe
-
\Users\Public\vbc.exeFilesize
792KB
MD5a31f92bbac72fca0b113457852c64312
SHA1a546f4090e10d038e459579a79a285b21869e622
SHA256ee3863179132508ada531d213c8d72401575ff6ac63633768bbcd937cc6bcfe1
SHA5120b95fea628805fea036c540b5c5d3f945b6d43ade10c0006ec40c4b7649eb4ae884187fe8d4275c266c2ffcb7a5780441a2940938e76dafcde5124bc71749cbe
-
memory/108-70-0x000007FEFB821000-0x000007FEFB823000-memory.dmpFilesize
8KB
-
memory/108-69-0x0000000000000000-mapping.dmp
-
memory/992-81-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-84-0x000000000042B03E-mapping.dmp
-
memory/992-89-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-87-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-83-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-82-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-78-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/992-79-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/1256-66-0x0000000000310000-0x00000000003DC000-memory.dmpFilesize
816KB
-
memory/1256-63-0x0000000000000000-mapping.dmp
-
memory/1256-68-0x0000000000490000-0x00000000004A6000-memory.dmpFilesize
88KB
-
memory/1256-77-0x00000000045F0000-0x0000000004632000-memory.dmpFilesize
264KB
-
memory/1256-71-0x00000000004A0000-0x00000000004AA000-memory.dmpFilesize
40KB
-
memory/1256-72-0x0000000005070000-0x00000000050EA000-memory.dmpFilesize
488KB
-
memory/1600-93-0x000000006A530000-0x000000006AADB000-memory.dmpFilesize
5.7MB
-
memory/1600-92-0x0000000004BD0000-0x0000000004EA2000-memory.dmpFilesize
2.8MB
-
memory/1600-91-0x000000006A530000-0x000000006AADB000-memory.dmpFilesize
5.7MB
-
memory/1600-73-0x0000000000000000-mapping.dmp
-
memory/1636-95-0x0000000070BDD000-0x0000000070BE8000-memory.dmpFilesize
44KB
-
memory/1636-55-0x000000006FBF1000-0x000000006FBF3000-memory.dmpFilesize
8KB
-
memory/1636-59-0x0000000070BDD000-0x0000000070BE8000-memory.dmpFilesize
44KB
-
memory/1636-58-0x0000000070BDD000-0x0000000070BE8000-memory.dmpFilesize
44KB
-
memory/1636-57-0x0000000075071000-0x0000000075073000-memory.dmpFilesize
8KB
-
memory/1636-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1636-94-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1636-54-0x0000000072171000-0x0000000072174000-memory.dmpFilesize
12KB
-
memory/1712-74-0x0000000000000000-mapping.dmp