remcos | 1d071cee73c27f30758d28aa786b71ea95ce7e5da23073b703dad8a988fc9d0e

General

Target

99.................99.....................rtf
Size

12KB
MD5

7f7c3ed186fd55b1dfa8e12f90db32d7
SHA1

8d6c9886ba721f2dc54430a2bb8c5db599ad0162
SHA256

1d071cee73c27f30758d28aa786b71ea95ce7e5da23073b703dad8a988fc9d0e
SHA512

3ea8e861c0747d819e759f3c370df79c43d4491d17cb920c01793427af19a9d52ccd53a5cb56a612d0e44786950fdb98c2978f5c7f8723b6813230d4a10e80c4
SSDEEP

192:pQWihf165UMgprsnZR1L9fJYDy9kKe+yXVZvZ0XQgwxJic4RdiUiWzhIkAIkLZam:psY5UbYh/kKeFtjBJiJRdiUfNYISZam

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

vcv.mastercoa.co:8489

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-4IE8MY
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1880 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

1308 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1880 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 1308 set thread context of 1440 1308 vbc.exe AddInProcess32.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1880 EQNEDT32.EXE

flow	pid	process
3	1880	EQNEDT32.EXE

pid	process
1880	EQNEDT32.EXE

description	pid	process	target process
PID 1308 set thread context of 1440	1308	vbc.exe	AddInProcess32.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1880	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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 MHTML Editor	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\ = "&Edit"	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\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar	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
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 HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	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\Microsoft Excel\shell\edit\command	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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	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\shell\edit\ddeexec\topic	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\.mht\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	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\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	WINWORD.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"	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 Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	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\.htm\OpenWithList	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1992 WINWORD.EXE

pid	process
1992	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

vbc.exe

pid	process
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe
1308	vbc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 1308 vbc.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXEAddInProcess32.exe

pid process

1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE
1440 AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1308	vbc.exe

pid	process
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE
1440	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exe

description	pid	process	target process
PID 1880 wrote to memory of 1308	1880	EQNEDT32.EXE	vbc.exe
PID 1880 wrote to memory of 1308	1880	EQNEDT32.EXE	vbc.exe
PID 1880 wrote to memory of 1308	1880	EQNEDT32.EXE	vbc.exe
PID 1880 wrote to memory of 1308	1880	EQNEDT32.EXE	vbc.exe
PID 1992 wrote to memory of 836	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 836	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 836	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 836	1992	WINWORD.EXE	splwow64.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe
PID 1308 wrote to memory of 1440	1308	vbc.exe	AddInProcess32.exe

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\99.................99.....................rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:836

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1880

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:1308

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
336B

MD5
27006ccdc93aa910aa225addeb94261b

SHA1
ff5db9a5410a6dc9c59a779fcaba20dd01f1e6b5

SHA256
286bc05d263149381084ec3210907e0323b844f5f51ce57596e8134462c45114

SHA512
48adff8f19c382f6d19e27e1d8d9c8c9c706fc68dbd1cfa462082b85f925bc86a386c76fafb50550452437c2d78ecc67b03f71046698168fe18f6c73702d5cfd

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
ea0ed22b74d388edcd12502bbd551765

SHA1
b2feee85b1c25c2b1323f19041f39a6aecb1da52

SHA256
fc0e7c3770a7c1452c62d071a8a59c81638c403f4841a7422d3b6e50934d29ee

SHA512
082c84902046488c0dfee9e8d0d5da7e4c4be63bc53c6500b2f6c69e63548dedff63a8c8b2f03f388892c3ba2c2d24da1e156fa166b0370aaf77c147d87b7148

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
ea0ed22b74d388edcd12502bbd551765

SHA1
b2feee85b1c25c2b1323f19041f39a6aecb1da52

SHA256
fc0e7c3770a7c1452c62d071a8a59c81638c403f4841a7422d3b6e50934d29ee

SHA512
082c84902046488c0dfee9e8d0d5da7e4c4be63bc53c6500b2f6c69e63548dedff63a8c8b2f03f388892c3ba2c2d24da1e156fa166b0370aaf77c147d87b7148

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
ea0ed22b74d388edcd12502bbd551765

SHA1
b2feee85b1c25c2b1323f19041f39a6aecb1da52

SHA256
fc0e7c3770a7c1452c62d071a8a59c81638c403f4841a7422d3b6e50934d29ee

SHA512
082c84902046488c0dfee9e8d0d5da7e4c4be63bc53c6500b2f6c69e63548dedff63a8c8b2f03f388892c3ba2c2d24da1e156fa166b0370aaf77c147d87b7148

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
ea0ed22b74d388edcd12502bbd551765

SHA1
b2feee85b1c25c2b1323f19041f39a6aecb1da52

SHA256
fc0e7c3770a7c1452c62d071a8a59c81638c403f4841a7422d3b6e50934d29ee

SHA512
082c84902046488c0dfee9e8d0d5da7e4c4be63bc53c6500b2f6c69e63548dedff63a8c8b2f03f388892c3ba2c2d24da1e156fa166b0370aaf77c147d87b7148

Download Submit
memory/1308-84-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1308-69-0x00000000049F0000-0x0000000004F52000-memory.dmp

Filesize
5.4MB

Download
memory/1308-70-0x0000000000560000-0x00000000005AA000-memory.dmp

Filesize
296KB

Download
memory/1308-75-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/1308-76-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-77-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-78-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-79-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-80-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-81-0x0000000005520000-0x0000000005560000-memory.dmp

Filesize
256KB

Download
memory/1308-83-0x0000000000440000-0x000000000045A000-memory.dmp

Filesize
104KB

Download
memory/1308-68-0x0000000000B70000-0x0000000000CC0000-memory.dmp

Filesize
1.3MB

Download
memory/1440-88-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-94-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-87-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-85-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-89-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-90-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-91-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-92-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-93-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1440-86-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-95-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-96-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-98-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-99-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-100-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-105-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1440-106-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1992-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads