d149e83c2ec92e82adbf1b35214e1f202c39d1cee5d006f74e03248adc50c833

General

Target

catalog-245528355.xls
Size

367KB
MD5

a0d337478fc0d8357ff2ecf75c65bca7
SHA1

b7f9960c2fb8fe6d6452b7b117a6ecc38acc5df6
SHA256

c23a7cbcf95daaef69522f28b4d9c9b775e30f767188749bf658f7d183e2025e
SHA512

870ed4aa0e5aa4c61823c1bb794e9a5348dd83ff961203eab169c99079fc2d0058dfe31431ba63155a54bfb1ec65341ad2a502b3bddd7e0331a29468c7ead332

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	1252	452	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1460	452	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	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\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\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\Toolbar\ShowDiscussionButton = "Yes"	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

452 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

452 EXCEL.EXE
452 EXCEL.EXE
452 EXCEL.EXE

pid	process
452	EXCEL.EXE

pid	process
452	EXCEL.EXE
452	EXCEL.EXE
452	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1252	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1460	452	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-245528355.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1252

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1460

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/452-60-0x000000002F131000-0x000000002F134000-memory.dmp

Filesize
12KB

Download
memory/452-61-0x0000000071581000-0x0000000071583000-memory.dmp

Filesize
8KB

Download
memory/452-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1252-63-0x0000000000000000-mapping.dmp

Download
memory/1252-64-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/1460-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads