802bf6f32b0cb1a3fa205a2d41e40302074c18b029b5e86337bf8a8282ba2d83

General

Target

catalog-2130173166.xls
Size

367KB
MD5

53d62280b4357ddc1fd58b0f66201b47
SHA1

c77b029d908a68b23598633f1fe873e28facadab
SHA256

14eb4a357260e2433942963faaccb8fac37ca7bf2c215ffb1b77774da51ce592
SHA512

3f29a42ec44598b0bab7cf7b00c0d71600cedfca6e2ff223ea79bfc066051e46d5ddabb9583d06191a43adb2137072ba576481d2335eaa1448c65092af7758ad

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	972	1056	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1736	1056	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\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\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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE

pid	process
1056	EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 972	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 1736	1056	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-2130173166.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:972

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1736

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/972-63-0x0000000000000000-mapping.dmp

Download
memory/972-64-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1056-60-0x000000002F0E1000-0x000000002F0E4000-memory.dmp

Filesize
12KB

Download
memory/1056-61-0x0000000071701000-0x0000000071703000-memory.dmp

Filesize
8KB

Download
memory/1056-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1736-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads