formbook | 6d4977cb739bd60eaf1bd6cea2258cf09a2aaab71a3646f8c055ba9fbc5db6f5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 23:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6d4977cb739bd60eaf1bd6cea2258cf09a2aaab71a3646f8c055ba9fbc5db6f5.xlsx
Size

896KB
MD5

eb5418b2d45b0f361fa93f01139871d0
SHA1

882c97f3fd9b406183e4ac01396ff41fabb2c1b3
SHA256

6d4977cb739bd60eaf1bd6cea2258cf09a2aaab71a3646f8c055ba9fbc5db6f5
SHA512

7aad6ed53af3b4f0d7f8da3dababe42cb48ca086bdc495ad5908ab74ee90e3dcc4f45a9b66d091241868aa21fa79b2578ee02ba9f46f4fc3ff53e4dedf068107
SSDEEP

24576:7oD1xqL1dePSHEwb2hvSiMBpVxYyUYbLQhCntqY:cD1xqLD7HNb2NMHVhUYbkhmqY

Score

10^/10

formbook xloader u8ow loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

u8ow

Decoy

uzhDDUNgg10rOh8rkUMGYiLuNnRWl9gwMQ==

bfkA4IUaSgYi7IA=

ezX5yHeR21O3h2RCgQ==

x3E4ntHeLMGQm0kdTi6PJtjOVS6Em8UaKA==

xJuAYwcZLAfqrVazWjvkirgFxDSf

qrGugLdannLYegX5dCtFMA==

i61nMddueAYi7IA=

RoNMKNhtdDWpeiYoaB37TPiHTLo=

RFj3UHHrDtAktSZhYku36opnsaMbNA==

lx0g+6RPl4jwwNPRPuTD

MyEQ4oGk6vXrMM4V

0IVWH0rfKe1J4nn6J9XB

SYVlN3Zrnq2OaWpDiQ==

fNa0jy3P8KQK25rpmwqd0t8=

UZuSZpW+9ffX9KXzmgqd0t8=

Vxf85YCWvYNZjkcDdCtFMA==

0gG1EzLP7/DrMM4V

WExRGVAEE6YS5tJkTxMhR636+A==

6Tv7U4QdURt1KUI+gw==

ooR7RXgsXPtaEutnaQ3efjIXmfJePavzIA==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1216-76-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1216-85-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1456-87-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader
behavioral1/memory/1456-92-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XJOLJXXXXZCL = "C:\\Program Files (x86)\\Zi4ap\\mfcrfil4z.exe"	NETSTAT.EXE

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1128 EQNEDT32.EXE
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

rllmqgz.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Control Panel\International\Geo\Nation rllmqgz.exe
Executes dropped EXE 3 IoCs

Processes:

name.exerllmqgz.exerllmqgz.exe

pid process

1948 name.exe
1656 rllmqgz.exe
1216 rllmqgz.exe
Loads dropped DLL 3 IoCs

Processes:

cmd.exename.exerllmqgz.exe

pid process

1092 cmd.exe
1948 name.exe
1656 rllmqgz.exe

flow	pid	process
3	1128	EQNEDT32.EXE

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Control Panel\International\Geo\Nation	rllmqgz.exe

pid	process
1948	name.exe
1656	rllmqgz.exe
1216	rllmqgz.exe

pid	process
1092	cmd.exe
1948	name.exe
1656	rllmqgz.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

rllmqgz.exerllmqgz.exeNETSTAT.EXE

description	pid	process	target process
PID 1656 set thread context of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1216 set thread context of 1244	1216	rllmqgz.exe	Explorer.EXE
PID 1216 set thread context of 1244	1216	rllmqgz.exe	Explorer.EXE
PID 1456 set thread context of 1244	1456	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NETSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\Zi4ap\mfcrfil4z.exe NETSTAT.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1456 NETSTAT.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

1128 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Zi4ap\mfcrfil4z.exe	NETSTAT.EXE

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

pid	process
1456	NETSTAT.EXE

pid	process
1128	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXENETSTAT.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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\edit	EXCEL.EXE
Key deleted	\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\edit	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	EXCEL.EXE
Key created	\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 HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\Registry\User\S-1-5-21-1214520366-621468234-4062160515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\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 MHTML Editor\shell	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML 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 (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
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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\edit\COMMAND	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

840 EXCEL.EXE

pid	process
840	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

rllmqgz.exeNETSTAT.EXE

pid	process
1216	rllmqgz.exe
1216	rllmqgz.exe
1216	rllmqgz.exe
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
Suspicious behavior: MapViewOfSection 9 IoCs

Processes:

rllmqgz.exerllmqgz.exeNETSTAT.EXE

pid process

1656 rllmqgz.exe
1216 rllmqgz.exe
1216 rllmqgz.exe
1216 rllmqgz.exe
1216 rllmqgz.exe
1456 NETSTAT.EXE
1456 NETSTAT.EXE
1456 NETSTAT.EXE
1456 NETSTAT.EXE

pid	process
1244	Explorer.EXE

pid	process
1656	rllmqgz.exe
1216	rllmqgz.exe
1216	rllmqgz.exe
1216	rllmqgz.exe
1216	rllmqgz.exe
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE
1456	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

rllmqgz.exeExplorer.EXENETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1216	rllmqgz.exe
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeDebugPrivilege	1456	NETSTAT.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE
Token: SeShutdownPrivilege	1244	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

840 EXCEL.EXE
840 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

840 EXCEL.EXE
840 EXCEL.EXE
840 EXCEL.EXE

pid	process
840	EXCEL.EXE
840	EXCEL.EXE

pid	process
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EQNEDT32.EXEcmd.exename.exerllmqgz.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1128 wrote to memory of 1092	1128	EQNEDT32.EXE	cmd.exe
PID 1128 wrote to memory of 1092	1128	EQNEDT32.EXE	cmd.exe
PID 1128 wrote to memory of 1092	1128	EQNEDT32.EXE	cmd.exe
PID 1128 wrote to memory of 1092	1128	EQNEDT32.EXE	cmd.exe
PID 1092 wrote to memory of 1948	1092	cmd.exe	name.exe
PID 1092 wrote to memory of 1948	1092	cmd.exe	name.exe
PID 1092 wrote to memory of 1948	1092	cmd.exe	name.exe
PID 1092 wrote to memory of 1948	1092	cmd.exe	name.exe
PID 1948 wrote to memory of 1656	1948	name.exe	rllmqgz.exe
PID 1948 wrote to memory of 1656	1948	name.exe	rllmqgz.exe
PID 1948 wrote to memory of 1656	1948	name.exe	rllmqgz.exe
PID 1948 wrote to memory of 1656	1948	name.exe	rllmqgz.exe
PID 1656 wrote to memory of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1656 wrote to memory of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1656 wrote to memory of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1656 wrote to memory of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1656 wrote to memory of 1216	1656	rllmqgz.exe	rllmqgz.exe
PID 1244 wrote to memory of 1456	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 1456	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 1456	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 1456	1244	Explorer.EXE	NETSTAT.EXE
PID 1456 wrote to memory of 1372	1456	NETSTAT.EXE	cmd.exe
PID 1456 wrote to memory of 1372	1456	NETSTAT.EXE	cmd.exe
PID 1456 wrote to memory of 1372	1456	NETSTAT.EXE	cmd.exe
PID 1456 wrote to memory of 1372	1456	NETSTAT.EXE	cmd.exe
PID 1456 wrote to memory of 1572	1456	NETSTAT.EXE	Firefox.exe
PID 1456 wrote to memory of 1572	1456	NETSTAT.EXE	Firefox.exe
PID 1456 wrote to memory of 1572	1456	NETSTAT.EXE	Firefox.exe
PID 1456 wrote to memory of 1572	1456	NETSTAT.EXE	Firefox.exe
PID 1456 wrote to memory of 1572	1456	NETSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244

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\6d4977cb739bd60eaf1bd6cea2258cf09a2aaab71a3646f8c055ba9fbc5db6f5.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:840

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe"
3⤵
PID:1372

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1572

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
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Public\name.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Public\name.exe
C:\Users\Public\name.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe
"C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe" C:\Users\Admin\AppData\Local\Temp\vzwxyyicjxe.p
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1656

C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe
"C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe"
5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1216

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

T1059

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\cfndzs.kqx
Filesize
196KB

MD5
1a759dc3b34740652d967dc95d6b64f1

SHA1
c94b419a8bf46d2c0c817f9b1d7a25ce3e2ca9af

SHA256
9fd9729e2cc456b4a491f2dd4727756382a78cef76c975f190f121529d6074be

SHA512
f6ddaad1384c048e9b1961e6946763e97244c7ac684027c6d30604dd2350549ee85edf9d505f4d27d22c41f8d66a666c90f64b304af0a2350a3c6837eb66c915

Download Submit
C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe
Filesize
361KB

MD5
f1013f87b469318022cd4e9cce420b1c

SHA1
3c159fe1e2e883763d8e37d2158687f836d1c8f8

SHA256
c07d6080495044d498b7313d0616857efc8ca9fd0569bb93183c801b5a0e0325

SHA512
0e2b4809b3b17eddea9956a73c3ea9fce7a728a1f97d7aaa43122b4172265fb123fa98e7b38abce43d2b8e7cb9653779641c78ab9aa106b0da37233cbc6c7459

Download Submit
C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe
Filesize
361KB

MD5
f1013f87b469318022cd4e9cce420b1c

SHA1
3c159fe1e2e883763d8e37d2158687f836d1c8f8

SHA256
c07d6080495044d498b7313d0616857efc8ca9fd0569bb93183c801b5a0e0325

SHA512
0e2b4809b3b17eddea9956a73c3ea9fce7a728a1f97d7aaa43122b4172265fb123fa98e7b38abce43d2b8e7cb9653779641c78ab9aa106b0da37233cbc6c7459

Download Submit
C:\Users\Admin\AppData\Local\Temp\rllmqgz.exe
Filesize
361KB

MD5
f1013f87b469318022cd4e9cce420b1c

SHA1
3c159fe1e2e883763d8e37d2158687f836d1c8f8

SHA256
c07d6080495044d498b7313d0616857efc8ca9fd0569bb93183c801b5a0e0325

SHA512
0e2b4809b3b17eddea9956a73c3ea9fce7a728a1f97d7aaa43122b4172265fb123fa98e7b38abce43d2b8e7cb9653779641c78ab9aa106b0da37233cbc6c7459

Download Submit
C:\Users\Admin\AppData\Local\Temp\vzwxyyicjxe.p
Filesize
5KB

MD5
8972f6e9c913e8a98e9b93dec651b367

SHA1
a4c1fe6a5b077d8d1eac8735fd6108e154d7988b

SHA256
9e57c6d27b699af5187f0b64af2ba1be7dc792212266eb7d5b2767a7a27afc66

SHA512
c6bd1f88f60ad891ea29e4e3258746ef8bc2383605ec28f7d83b8d3e7dca4ed996be143e556c343907d14ad465a9002cf2a7f350b4e66864205064677c620239

Download Submit
C:\Users\Public\name.exe
Filesize
355KB

MD5
c71d6374ee14811b90b888115a68ee38

SHA1
69647456d522067f625d2a4f3f52e438632d4778

SHA256
cde343d0c07a0fa310a05434efafe274503dc0a5ba64bd9fdff873301ddbb5ed

SHA512
0ed2d26d2fc335a497dbb7fd9aa541a332a71f0fa85e68d47c98de2eb8c47545c966d56c7eaf13fcccd74ec04833649548c94eea89ed4bf3ff2277395a815c6a

Download Submit
C:\Users\Public\name.exe
Filesize
355KB

MD5
c71d6374ee14811b90b888115a68ee38

SHA1
69647456d522067f625d2a4f3f52e438632d4778

SHA256
cde343d0c07a0fa310a05434efafe274503dc0a5ba64bd9fdff873301ddbb5ed

SHA512
0ed2d26d2fc335a497dbb7fd9aa541a332a71f0fa85e68d47c98de2eb8c47545c966d56c7eaf13fcccd74ec04833649548c94eea89ed4bf3ff2277395a815c6a

Download Submit
\Users\Admin\AppData\Local\Temp\rllmqgz.exe
Filesize
361KB

MD5
f1013f87b469318022cd4e9cce420b1c

SHA1
3c159fe1e2e883763d8e37d2158687f836d1c8f8

SHA256
c07d6080495044d498b7313d0616857efc8ca9fd0569bb93183c801b5a0e0325

SHA512
0e2b4809b3b17eddea9956a73c3ea9fce7a728a1f97d7aaa43122b4172265fb123fa98e7b38abce43d2b8e7cb9653779641c78ab9aa106b0da37233cbc6c7459

Download Submit
\Users\Admin\AppData\Local\Temp\rllmqgz.exe
Filesize
361KB

MD5
f1013f87b469318022cd4e9cce420b1c

SHA1
3c159fe1e2e883763d8e37d2158687f836d1c8f8

SHA256
c07d6080495044d498b7313d0616857efc8ca9fd0569bb93183c801b5a0e0325

SHA512
0e2b4809b3b17eddea9956a73c3ea9fce7a728a1f97d7aaa43122b4172265fb123fa98e7b38abce43d2b8e7cb9653779641c78ab9aa106b0da37233cbc6c7459

Download Submit
\Users\Public\name.exe
Filesize
355KB

MD5
c71d6374ee14811b90b888115a68ee38

SHA1
69647456d522067f625d2a4f3f52e438632d4778

SHA256
cde343d0c07a0fa310a05434efafe274503dc0a5ba64bd9fdff873301ddbb5ed

SHA512
0ed2d26d2fc335a497dbb7fd9aa541a332a71f0fa85e68d47c98de2eb8c47545c966d56c7eaf13fcccd74ec04833649548c94eea89ed4bf3ff2277395a815c6a

Download Submit
memory/840-58-0x0000000072AED000-0x0000000072AF8000-memory.dmp

Filesize
44KB

Download
memory/840-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/840-69-0x000000006CC31000-0x000000006CC33000-memory.dmp

Filesize
8KB

Download
memory/840-96-0x0000000072AED000-0x0000000072AF8000-memory.dmp

Filesize
44KB

Download
memory/840-57-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/840-78-0x000000006D101000-0x000000006D103000-memory.dmp

Filesize
8KB

Download
memory/840-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/840-81-0x0000000072AED000-0x0000000072AF8000-memory.dmp

Filesize
44KB

Download
memory/840-55-0x0000000071B01000-0x0000000071B03000-memory.dmp

Filesize
8KB

Download
memory/840-54-0x000000002F191000-0x000000002F194000-memory.dmp

Filesize
12KB

Download
memory/1092-60-0x0000000000000000-mapping.dmp

Download
memory/1216-76-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1216-79-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/1216-74-0x0000000000420000-mapping.dmp

Download
memory/1216-82-0x0000000000340000-0x0000000000351000-memory.dmp

Filesize
68KB

Download
memory/1216-85-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1216-77-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/1244-80-0x0000000006E60000-0x0000000006FC2000-memory.dmp

Filesize
1.4MB

Download
memory/1244-83-0x0000000004920000-0x0000000004A0E000-memory.dmp

Filesize
952KB

Download
memory/1244-93-0x0000000007480000-0x0000000007573000-memory.dmp

Filesize
972KB

Download
memory/1244-91-0x0000000007480000-0x0000000007573000-memory.dmp

Filesize
972KB

Download
memory/1372-88-0x0000000000000000-mapping.dmp

Download
memory/1456-86-0x0000000000FB0000-0x0000000000FB9000-memory.dmp

Filesize
36KB

Download
memory/1456-89-0x0000000000C10000-0x0000000000F13000-memory.dmp

Filesize
3.0MB

Download
memory/1456-90-0x0000000000A80000-0x0000000000B10000-memory.dmp

Filesize
576KB

Download
memory/1456-87-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download
memory/1456-92-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download
memory/1456-84-0x0000000000000000-mapping.dmp

Download
memory/1656-67-0x0000000000000000-mapping.dmp

Download
memory/1948-63-0x0000000000000000-mapping.dmp

Download