quasar | a1f309adfabcda9c7f1badc025f7756f7dd8ff9da3529dee09044df6e7d177df

Analysis

max time kernel
156s
max time network
192s
platform
windows7_x64
resource
win7-en-20210920
submitted
23-10-2021 05:28

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General

Target

Comprobante de pago.xls
Size

109KB
MD5

271ba3d36cd7425438355af48c600e20
SHA1

4a7f399ac4e8420b73a8274003eac6a1ffc31fb0
SHA256

a1f309adfabcda9c7f1badc025f7756f7dd8ff9da3529dee09044df6e7d177df
SHA512

33e842c5c2eefb7e40d8f651535539cc151460106407501b22eb50cc7af4347db8048238c4d9387c8c3ac5b9158a532ceb07d37c2dd269da6c68de726921faad

Score

10^/10

quasar criok spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Criok

ildriendfrirotoi.zapto.org:61790

fruitingsuccess.ignorelist.com:61789

Mutex

QSR_MUTEX_JS7TIscSksvJKrLXxw

Attributes

encryption_key
7RWfQmQNDJPIz1c1QtI1
install_name
Updater.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Windows Update
subdirectory
Windows

Signatures

Quasar Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1376-76-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar
behavioral1/memory/1376-75-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar
behavioral1/memory/1376-78-0x00000000004581FE-mapping.dmp	family_quasar
behavioral1/memory/1376-77-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar
behavioral1/memory/1376-81-0x0000000000400000-0x000000000045E000-memory.dmp	family_quasar

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

ONEYIEYG.exeONEYIEYG.exeONEYIEYG.exe

pid process

1752 ONEYIEYG.exe
1656 ONEYIEYG.exe
1376 ONEYIEYG.exe
Loads dropped DLL 6 IoCs

Processes:

EXCEL.EXEONEYIEYG.exe

pid process

484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
1752 ONEYIEYG.exe
1752 ONEYIEYG.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

11 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

ONEYIEYG.exe

description pid process target process

PID 1752 set thread context of 1376 1752 ONEYIEYG.exe ONEYIEYG.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

pid	process
1752	ONEYIEYG.exe
1656	ONEYIEYG.exe
1376	ONEYIEYG.exe

pid	process
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe

flow	ioc
11	ip-api.com

description	pid	process	target process
PID 1752 set thread context of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe

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

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\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\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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 MHTML Editor\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\shell	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ONEYIEYG.exe

pid process

1752 ONEYIEYG.exe
1752 ONEYIEYG.exe
1752 ONEYIEYG.exe
1752 ONEYIEYG.exe
1752 ONEYIEYG.exe
1752 ONEYIEYG.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ONEYIEYG.exeONEYIEYG.exe

description pid process

Token: SeDebugPrivilege 1752 ONEYIEYG.exe
Token: SeDebugPrivilege 1376 ONEYIEYG.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
484 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE

pid	process
484	EXCEL.EXE

pid	process
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe
1752	ONEYIEYG.exe

description	pid	process
Token: SeDebugPrivilege	1752	ONEYIEYG.exe
Token: SeDebugPrivilege	1376	ONEYIEYG.exe

pid	process
484	EXCEL.EXE
484	EXCEL.EXE

pid	process
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EXCEL.EXEONEYIEYG.exe

description	pid	process	target process
PID 484 wrote to memory of 1752	484	EXCEL.EXE	ONEYIEYG.exe
PID 484 wrote to memory of 1752	484	EXCEL.EXE	ONEYIEYG.exe
PID 484 wrote to memory of 1752	484	EXCEL.EXE	ONEYIEYG.exe
PID 484 wrote to memory of 1752	484	EXCEL.EXE	ONEYIEYG.exe
PID 1752 wrote to memory of 1656	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1656	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1656	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1656	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.exe
PID 1752 wrote to memory of 1376	1752	ONEYIEYG.exe	ONEYIEYG.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\Comprobante de pago.xls"
1⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:484

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
3⤵
- Executes dropped EXE
PID:1656

C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

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C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

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C:\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Local\Temp\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ONEYIEYG.exe
MD5
af7a336ac7fca059f6aa875a8da74609

SHA1
7a624b037a6527310ed6b2420b604183a953fe3d

SHA256
b57f1bcbc72248c3adbdd951d4fb5ef727d79aa36e477d2ac52a1169119e0c28

SHA512
5fcad8fff76744dc4478c02a2f5609333343f146e6500a08370ca3df4fc3bbc5bbcb992eb68c840acbf0e2c899a191ca9d9889a66db08080d7fe7a7451d66a40

Download Submit
memory/484-54-0x000000002F7B1000-0x000000002F7B4000-memory.dmp

Filesize
12KB

Download
memory/484-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/484-55-0x0000000071141000-0x0000000071143000-memory.dmp

Filesize
8KB

Download
memory/1376-81-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1376-84-0x0000000004920000-0x0000000004921000-memory.dmp

Filesize
4KB

Download
memory/1376-77-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1376-78-0x00000000004581FE-mapping.dmp

Download
memory/1376-73-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1376-74-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1376-76-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1376-75-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1752-61-0x0000000000000000-mapping.dmp

Download
memory/1752-69-0x0000000001E30000-0x0000000001E69000-memory.dmp

Filesize
228KB

Download
memory/1752-68-0x0000000005420000-0x0000000005488000-memory.dmp

Filesize
416KB

Download
memory/1752-67-0x0000000004830000-0x0000000004831000-memory.dmp

Filesize
4KB

Download
memory/1752-66-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1752-64-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download