3c551081fc66ce8d85cc36f034803fd7ee80b5e760e4f7d4ed003a55a868bc27

General

Target

catalog-1990066679.xls
Size

367KB
MD5

85e8725a1421148510d41f6e1a1ef2b4
SHA1

7a34ecec8ba31a5c702a1720d1851965ed932209
SHA256

9fa200c32c60996bcad7592070483724c329596fbc7c157ee545e06ed2dca1b5
SHA512

f951a4fc2133b54d6742b6fb8e4bb59453428dd6876dbb76e7058273159f787111a7157dc9168074334613b92d1429a5977406a153e6fda12440f808829cb4d5

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	920	368	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1556	368	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 (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
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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

368 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

368 EXCEL.EXE
368 EXCEL.EXE
368 EXCEL.EXE

pid	process
368	EXCEL.EXE

pid	process
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 920	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1556	368	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-1990066679.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:920

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1556

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/368-59-0x000000002F791000-0x000000002F794000-memory.dmp

Filesize
12KB

Download
memory/368-60-0x0000000071671000-0x0000000071673000-memory.dmp

Filesize
8KB

Download
memory/368-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/920-62-0x0000000000000000-mapping.dmp

Download
memory/920-63-0x0000000076661000-0x0000000076663000-memory.dmp

Filesize
8KB

Download
memory/1556-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads