snakekeylogger | 4da0fa732b3cb2b77f92db9ed169eae7606d5646aa38dbaf9667565556b3e223

General

Target

decrypted.xlsx
Size

35KB
MD5

3910d5d3b292f25def60bb76fbf17f9a
SHA1

0f0fbab3541b7f82cf95f207293a5c0e1935f115
SHA256

1edcbce9fb67ee7b09caf7a75f2f5d55ef61e3238d265b1e25fa78b8aaeb30e5
SHA512

dc800cbbfedf12c57128e198c9b0d662dc680cda47159753e79914d688c7de7b177d9fc9c95b46afd9379edb2976ccb538e1c6d813e99f80c51595388e03c931

Score

10^/10

snakekeylogger collection keylogger stealer suricata

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.stilltech.ro
Port:
587
Username:
office@stilltech.ro
Password:
eurobit555ro
Email To:
graceunlimited153@gmail.com

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 6 IoCs

Processes:

resource	yara_rule
behavioral3/memory/1960-86-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral3/memory/1960-88-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral3/memory/1960-89-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral3/memory/1960-90-0x00000000004202AE-mapping.dmp	family_snakekeylogger
behavioral3/memory/1960-92-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral3/memory/1960-94-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

suricata: ET MALWARE MSIL/GenKryptik.FQRH Download Request
suricata: ET MALWARE MSIL/GenKryptik.FQRH Download Request
suricata
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

8 1352 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

1872 vbc.exe
Abuses OpenXML format to download file from external location
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1352 EQNEDT32.EXE
1352 EQNEDT32.EXE
1352 EQNEDT32.EXE
1352 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
8	1352	EQNEDT32.EXE

pid	process
1872	vbc.exe

pid	process
1352	EQNEDT32.EXE
1352	EQNEDT32.EXE
1352	EQNEDT32.EXE
1352	EQNEDT32.EXE

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 1872 set thread context of 1960 1872 vbc.exe RegSvcs.exe
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description 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.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1352 EQNEDT32.EXE

flow	ioc
10	checkip.dyndns.org

description	pid	process	target process
PID 1872 set thread context of 1960	1872	vbc.exe	RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1352	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEWINWORD.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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 MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
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\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\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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\shell	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML 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
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	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\.mht\OpenWithList\Microsoft Publisher	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	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\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	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\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	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\.htm\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	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\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1528 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegSvcs.exe

pid process

1960 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1960 RegSvcs.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXEWINWORD.EXE

pid process

1528 EXCEL.EXE
1528 EXCEL.EXE
1528 EXCEL.EXE
1656 WINWORD.EXE
1656 WINWORD.EXE

pid	process
1528	EXCEL.EXE

pid	process
1960	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1960	RegSvcs.exe

pid	process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1656	WINWORD.EXE
1656	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exe

description	pid	process	target process
PID 1352 wrote to memory of 1872	1352	EQNEDT32.EXE	vbc.exe
PID 1352 wrote to memory of 1872	1352	EQNEDT32.EXE	vbc.exe
PID 1352 wrote to memory of 1872	1352	EQNEDT32.EXE	vbc.exe
PID 1352 wrote to memory of 1872	1352	EQNEDT32.EXE	vbc.exe
PID 1656 wrote to memory of 1924	1656	WINWORD.EXE	splwow64.exe
PID 1656 wrote to memory of 1924	1656	WINWORD.EXE	splwow64.exe
PID 1656 wrote to memory of 1924	1656	WINWORD.EXE	splwow64.exe
PID 1656 wrote to memory of 1924	1656	WINWORD.EXE	splwow64.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe
PID 1872 wrote to memory of 1960	1872	vbc.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

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\decrypted.xlsx
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1528

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1924

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:1352

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1960

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0O8D7KIM\receipt[1].doc
Filesize
20KB

MD5
8531e389071583bf24756116a1770018

SHA1
e99795a4a4cf509a4d8efec6c573e3be4b3477db

SHA256
4aa2cd3f90eb232a9ea09d5e49fa1b94a038313bb482faecd2961778174f8e88

SHA512
c117d141b0d03da382b10ba567532dc3b6d9768f5bc71193da6ebec0b47cc030bdfd0ef7d0a110c28daacc2d6be2a723de0001476104503ae66089a864bb5fe0

Download Submit
C:\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
C:\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
\Users\Public\vbc.exe
Filesize
561KB

MD5
c01e2956b20349d01fd6f43f9a7ef0c3

SHA1
4799db2196420cc90b24e28519ed459119d71fca

SHA256
f479546b3b39902eed49ccdd2749bde0d6ffb260311f8a8240fa69700e2a200e

SHA512
e3b466d2e32b1b3e18cc8669f957cf8dc66ca85827a2f40083931e0d72da8f67d8b01b71fea9bd8f601143d071f729184b9685198a974c247aaac7958141f469

Download Submit
memory/1528-58-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/1528-57-0x000000007283D000-0x0000000072848000-memory.dmp

Filesize
44KB

Download
memory/1528-54-0x000000002FBF1000-0x000000002FBF4000-memory.dmp

Filesize
12KB

Download
memory/1528-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1528-55-0x0000000071851000-0x0000000071853000-memory.dmp

Filesize
8KB

Download
memory/1528-77-0x000000007283D000-0x0000000072848000-memory.dmp

Filesize
44KB

Download
memory/1656-59-0x000000006BAF1000-0x000000006BAF4000-memory.dmp

Filesize
12KB

Download
memory/1656-63-0x000000007283D000-0x0000000072848000-memory.dmp

Filesize
44KB

Download
memory/1656-79-0x000000007283D000-0x0000000072848000-memory.dmp

Filesize
44KB

Download
memory/1872-74-0x0000000000960000-0x00000000009F2000-memory.dmp

Filesize
584KB

Download
memory/1872-82-0x00000000048A0000-0x00000000048C6000-memory.dmp

Filesize
152KB

Download
memory/1872-81-0x0000000005110000-0x000000000517A000-memory.dmp

Filesize
424KB

Download
memory/1872-78-0x0000000000470000-0x0000000000490000-memory.dmp

Filesize
128KB

Download
memory/1872-70-0x0000000000000000-mapping.dmp

Download
memory/1872-80-0x00000000007D0000-0x00000000007DE000-memory.dmp

Filesize
56KB

Download
memory/1924-73-0x0000000000000000-mapping.dmp

Download
memory/1924-76-0x000007FEFC151000-0x000007FEFC153000-memory.dmp

Filesize
8KB

Download
memory/1960-83-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-84-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-86-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-88-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-89-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-90-0x00000000004202AE-mapping.dmp

Download
memory/1960-92-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-94-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads