30d2488710a4a885c4b798640d6870eb10abf2ae534ec9bfe8ddf166027d4f8c

General

Target

catalog-2002232164.xls
Size

367KB
MD5

740afe8f08e59bc76ddaccba4610faa2
SHA1

ee058b2b1cb7b4a5dc516e0ca3eca388bd95a4a0
SHA256

c0effea729b6b3d23ab4ba70a0c45bf48a6babde269baa3d3ad2587f19006f31
SHA512

f628516016447f9d8425dea67d0cfc6ebadd95d838f52aa1fc5f67861eaad71d7589d14f3480375f40e47f3b99471991b17342e4098fa654bd2d5433dad3f926

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	956	1240	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1196	1240	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
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
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
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 (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
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

1240 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1240 EXCEL.EXE
1240 EXCEL.EXE
1240 EXCEL.EXE

pid	process
1240	EXCEL.EXE

pid	process
1240	EXCEL.EXE
1240	EXCEL.EXE
1240	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 956	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1196	1240	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-2002232164.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:956

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1196

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/956-62-0x0000000000000000-mapping.dmp

Download
memory/956-63-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1196-64-0x0000000000000000-mapping.dmp

Download
memory/1240-59-0x000000002F7B1000-0x000000002F7B4000-memory.dmp

Filesize
12KB

Download
memory/1240-60-0x0000000070E41000-0x0000000070E43000-memory.dmp

Filesize
8KB

Download
memory/1240-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads