a7f76f8da81c55bfec64abfee59393222011f4b649ccf454aa96f429c0580ffe

General

Target

catalog-2002334876.xls
Size

367KB
MD5

0e08bdad75c460921f3698efdec6f8b5
SHA1

20303b3b0a8a750b79f11323154031bc00a5ffe8
SHA256

38378a89f23b06462932894c7ce984cd0dc2dde0460aee62789e46389b759fc8
SHA512

74948e4a205b2e9437415bf81b1af7f95a0ec190fbfffb269278d90ddce5562d5c9f6667e243a52985815d3389c8b77bb60bff39d2f59672f467a8ead8b91f5a

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	788	1996	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1492	1996	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\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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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 (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\MenuExt	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1996 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1996 EXCEL.EXE
1996 EXCEL.EXE
1996 EXCEL.EXE

pid	process
1996	EXCEL.EXE

pid	process
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 788	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	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-2002334876.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1492

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/788-62-0x0000000000000000-mapping.dmp

Download
memory/788-63-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1492-64-0x0000000000000000-mapping.dmp

Download
memory/1996-59-0x000000002FD61000-0x000000002FD64000-memory.dmp

Filesize
12KB

Download
memory/1996-60-0x0000000070F91000-0x0000000070F93000-memory.dmp

Filesize
8KB

Download
memory/1996-61-0x000000005FFF0000-0x0000000060000000-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