2baeb3576e4f42f74968ae728732ab1cb30ffca36edfd70e32d537e22151810f

General

Target

catalog-251600736.xls
Size

367KB
MD5

28ff2bde282c2e93649cc6dd346d8b29
SHA1

194bd0ce6848ba4cf7a5d23379e7e6c6ca39386e
SHA256

c2cefcde2083a82c2532d7c33549fa855994f425f5a0387b0121e60c9ce02155
SHA512

2018f4823fa7eb4858db32d82884e1481822412fa6f3db36a8ba61d4048ca3bbfff3225a0d0482e77e85fec0bd2f9c02b41809364feea38c4152a1dab0ce0138

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	840	1756	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1640	1756	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
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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE

pid	process
1756	EXCEL.EXE

pid	process
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 840	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1640	1756	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-251600736.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:840

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1640

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/840-63-0x0000000000000000-mapping.dmp

Download
memory/840-64-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1640-65-0x0000000000000000-mapping.dmp

Download
memory/1756-60-0x000000002F851000-0x000000002F854000-memory.dmp

Filesize
12KB

Download
memory/1756-61-0x0000000071521000-0x0000000071523000-memory.dmp

Filesize
8KB

Download
memory/1756-62-0x000000005FFF0000-0x0000000060000000-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