f7fa58c11784ab508a84397aeafc7f21b98a9b4f1db8afcca66ec8ad8811e889

General

Target

catalog-2055527889.xls
Size

367KB
MD5

2595ea4efc2c89f98d2a4d6c7a904a99
SHA1

36605f79c7e4b2428b877aad7a3395b7f72d95ff
SHA256

b8af0b781b0df7b72615a92a0d3c58a0ce76608cabb6b6e511bbe40f7e018ad7
SHA512

8405a5abb63714e8a3812cb65efabd6fc819626e84969857627fca508ffc8247e6018ef464f827be16482728c8885c42d36f234d227501608af36c5f4ec1c57b

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	588	1240	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	304	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
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\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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

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 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 588	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 304	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-2055527889.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:588

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:304

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/304-64-0x0000000000000000-mapping.dmp

Download
memory/588-62-0x0000000000000000-mapping.dmp

Download
memory/588-63-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1240-59-0x000000002F981000-0x000000002F984000-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 Matrix ATT&CK v6

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Downloads