7e2a11cecbc2923948aadee268e34f62c2d6e661986e52ae495358a24b64bcfe

General

Target

Cu1QR2z38E4W2NgQHfqV.xlsm
Size

86KB
MD5

e0cc41db104dd584ec0892a6d9272857
SHA1

6981c956a823237fdf70f7991c1e26e3f717c2bf
SHA256

7e2a11cecbc2923948aadee268e34f62c2d6e661986e52ae495358a24b64bcfe
SHA512

475edf003707a8146f986501598a16b97db8b5b2137a3ed2ac1188a90b311d70de7870d6aa0ffa60e2b60006091c1749a6cef733300f26385ab7a0f4ef8c07fd

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://thersnyc.com/fxcS6exSJr0/04.html

xlm40.dropper

https://justverify.online/ZKrubZZn5V/04.html

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

rundll32.exerundll32.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	564	788	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1544	788	rundll32.exe	EXCEL.EXE

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE

pid	process
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 564	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1544	788	EXCEL.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\Cu1QR2z38E4W2NgQHfqV.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\wett.xiu2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:564

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\wett.xiu1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/564-62-0x0000000000000000-mapping.dmp

Download
memory/564-63-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/788-59-0x000000002F6A1000-0x000000002F6A4000-memory.dmp

Filesize
12KB

Download
memory/788-60-0x0000000071391000-0x0000000071393000-memory.dmp

Filesize
8KB

Download
memory/788-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1544-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads