5e173d83e4c40a537b896edd9e5f5ee5f4882c96ff7eb8f7945db4ed75e4a47a

General

Target

catalog-2008551307.xls
Size

367KB
MD5

e376664d5625944a41e4940de7794fb4
SHA1

3df9bd129da02cc195fea31bdcc18a0d6c4614c0
SHA256

058bceb798d4005018e53e1805a94e59c5336e4b8f71c962b155cfae7719b8e2
SHA512

7ec0d1a5e7048ad79c5c68e785b9aac9d269e200c06e11480670dba0de7c06699b7b869470a60516c3cea78e7b0e1af1c2f3d9f865d981421dcb7cddeee4c00a

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	1556	1856	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	528	1856	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\Se&nd to OneNote	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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1856 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1856 EXCEL.EXE
1856 EXCEL.EXE
1856 EXCEL.EXE

pid	process
1856	EXCEL.EXE

pid	process
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 1556	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	EXCEL.EXE	rundll32.exe
PID 1856 wrote to memory of 528	1856	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-2008551307.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1556

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:528

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/528-64-0x0000000000000000-mapping.dmp

Download
memory/1556-62-0x0000000000000000-mapping.dmp

Download
memory/1556-63-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1856-59-0x000000002F871000-0x000000002F874000-memory.dmp

Filesize
12KB

Download
memory/1856-60-0x0000000071C71000-0x0000000071C73000-memory.dmp

Filesize
8KB

Download
memory/1856-61-0x000000005FFF0000-0x0000000060000000-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