6e3f7fbf88f0c06a06f7c3fa532eb76dc49819a18988ab866c98c246717e1e5e

General

Target

ZXL-2181.xlsm
Size

83KB
MD5

864eaed6a667c04ce8c4af621e4dfded
SHA1

49e79859df0b4b4042728ba2984bfd7b52c0fc16
SHA256

6e3f7fbf88f0c06a06f7c3fa532eb76dc49819a18988ab866c98c246717e1e5e
SHA512

aa6f4fa4ae8d6f0ad15c5939b975e0cd3ffc6d47f7ac41363a6fb91a62f115c78e4d0b0b19ff2b941272dd06a32b42145e8eda6f1ec7bd18974d7e3a7dbd83dc

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.crownpacificpartners.com/guglio/Rt4el/

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.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	1472	952	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

7 812 rundll32.exe
8 812 rundll32.exe
9 812 rundll32.exe
11 812 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1472 rundll32.exe
1656 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Azkrakrbmqlxtkil\gcbdt.nmd rundll32.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

flow	pid	process
7	812	rundll32.exe
8	812	rundll32.exe
9	812	rundll32.exe
11	812	rundll32.exe

pid	process
1472	rundll32.exe
1656	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Azkrakrbmqlxtkil\gcbdt.nmd	rundll32.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
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	EXCEL.EXE
Key created	\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 (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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	EXCEL.EXE
Key created	\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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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	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\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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 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\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

952 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

812 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

952 EXCEL.EXE
952 EXCEL.EXE
952 EXCEL.EXE

pid	process
952	EXCEL.EXE

pid	process
812	rundll32.exe

pid	process
952	EXCEL.EXE
952	EXCEL.EXE
952	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 952 wrote to memory of 1472	952	EXCEL.EXE	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1656	1472	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1468	1656	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.exe
PID 1468 wrote to memory of 812	1468	rundll32.exe	rundll32.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\ZXL-2181.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:952

C:\Windows\SysWow64\rundll32.exe
C:\Windows\SysWow64\rundll32.exe ..\erum.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\erum.ocx",DllRegisterServer
3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Azkrakrbmqlxtkil\gcbdt.nmd",HLRexKw
4⤵
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Azkrakrbmqlxtkil\gcbdt.nmd",DllRegisterServer
5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\erum.ocx
MD5
7d01a3b0aa4b27e6f466dc8c321c1246

SHA1
84db079fbbf1001c479023bfc965837055b5c635

SHA256
4b0a7962f77a16ce4f7b348b841285508daf13451c11d52f8f6d8c2af9937dcc

SHA512
9ea6417d6b65301c3cd50cebb786610e40f360d58e2afb8e2cd45439de2acfa146a44064b106db7fa1bb9967272fae8649fe0b705d5167f15cc1ef3a1f080c11

Download Submit
\Users\Admin\erum.ocx
MD5
7d01a3b0aa4b27e6f466dc8c321c1246

SHA1
84db079fbbf1001c479023bfc965837055b5c635

SHA256
4b0a7962f77a16ce4f7b348b841285508daf13451c11d52f8f6d8c2af9937dcc

SHA512
9ea6417d6b65301c3cd50cebb786610e40f360d58e2afb8e2cd45439de2acfa146a44064b106db7fa1bb9967272fae8649fe0b705d5167f15cc1ef3a1f080c11

Download Submit
\Users\Admin\erum.ocx
MD5
7d01a3b0aa4b27e6f466dc8c321c1246

SHA1
84db079fbbf1001c479023bfc965837055b5c635

SHA256
4b0a7962f77a16ce4f7b348b841285508daf13451c11d52f8f6d8c2af9937dcc

SHA512
9ea6417d6b65301c3cd50cebb786610e40f360d58e2afb8e2cd45439de2acfa146a44064b106db7fa1bb9967272fae8649fe0b705d5167f15cc1ef3a1f080c11

Download Submit
memory/812-81-0x0000000000000000-mapping.dmp

Download
memory/812-83-0x0000000000291000-0x00000000002B5000-memory.dmp

Filesize
144KB

Download
memory/812-85-0x0000000000941000-0x0000000000965000-memory.dmp

Filesize
144KB

Download
memory/812-87-0x0000000000AA1000-0x0000000000AC5000-memory.dmp

Filesize
144KB

Download
memory/812-89-0x0000000000C21000-0x0000000000C45000-memory.dmp

Filesize
144KB

Download
memory/812-91-0x0000000002461000-0x0000000002485000-memory.dmp

Filesize
144KB

Download
memory/812-93-0x0000000002AB1000-0x0000000002AD5000-memory.dmp

Filesize
144KB

Download
memory/952-56-0x00000000718F1000-0x00000000718F3000-memory.dmp

Filesize
8KB

Download
memory/952-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/952-55-0x000000002F741000-0x000000002F744000-memory.dmp

Filesize
12KB

Download
memory/1468-77-0x0000000000000000-mapping.dmp

Download
memory/1468-79-0x00000000003A1000-0x00000000003C5000-memory.dmp

Filesize
144KB

Download
memory/1472-59-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download
memory/1472-62-0x0000000000281000-0x00000000002A5000-memory.dmp

Filesize
144KB

Download
memory/1472-63-0x00000000002A5000-0x00000000002A6000-memory.dmp

Filesize
4KB

Download
memory/1472-58-0x0000000000000000-mapping.dmp

Download
memory/1656-64-0x0000000000000000-mapping.dmp

Download
memory/1656-75-0x0000000002831000-0x0000000002855000-memory.dmp

Filesize
144KB

Download
memory/1656-73-0x00000000024A1000-0x00000000024C5000-memory.dmp

Filesize
144KB

Download
memory/1656-71-0x00000000023E1000-0x0000000002405000-memory.dmp

Filesize
144KB

Download
memory/1656-69-0x0000000000C51000-0x0000000000C75000-memory.dmp

Filesize
144KB

Download
memory/1656-67-0x00000000001F1000-0x0000000000215000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads