c1cd69fc3732c7ea9367a29c1c8e11b1da20d198206824b25853205435342865

General

Target

catalog-1984326870.xls
Size

367KB
MD5

ac4c199d9b5c0a440f44a9c0a3687e34
SHA1

43b155c9687ce4c9c1764644ee6a38014057b89b
SHA256

33457a213d130dc99a596e1374edd16414e61cd67377d2134bfd463f94b77c01
SHA512

9f792d920c06bd9affdc3eb9861488f521de1e3bd34202332cf54cf84240947be68ea57bd6fa60a7c0c517a7be789b3a649c30aab1503463888427b31b4c96ee

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://smartpalakatva.com/edQsUZOLlE/th.html

xlm40.dropper

https://pilstlcommodities.com/Ov4FlB3lpy/th.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	1560	1688	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1156	1688	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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\MenuExt\Se&nd to OneNote	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE

pid	process
1688	EXCEL.EXE

pid	process
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1560	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1156	1688	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\catalog-1984326870.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1560

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1156

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/1156-65-0x0000000000000000-mapping.dmp

Download
memory/1560-63-0x0000000000000000-mapping.dmp

Download
memory/1560-64-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1688-60-0x000000002F271000-0x000000002F274000-memory.dmp

Filesize
12KB

Download
memory/1688-61-0x0000000071361000-0x0000000071363000-memory.dmp

Filesize
8KB

Download
memory/1688-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads