87ff7fe0ce85c32f7c4080714a75c709dd334d7c5f2a0344c108cfb146ed93de

General

Target

catalog-2108526620.xls
Size

367KB
MD5

06c387ee3645fef3c674a6904faf84ba
SHA1

f395ed424c6c27e0f6a892a16d7e5f088202c9a0
SHA256

8626acd732f4ff0d8ac163caf598bb64cba245289c31d7c468cb86ac96ff7fa1
SHA512

2f80fea186e814c0b73daac80484e69ba9c4dbc6a3cd43cf521ed3773498d5af2c35ac76a02b24700859e1d220cfa4e9c80e2e62fdc5f7a91b73cec213ba564f

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	432	468	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1764	468	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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

468 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

468 EXCEL.EXE
468 EXCEL.EXE
468 EXCEL.EXE

pid	process
468	EXCEL.EXE

pid	process
468	EXCEL.EXE
468	EXCEL.EXE
468	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 432	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	EXCEL.EXE	rundll32.exe
PID 468 wrote to memory of 1764	468	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-2108526620.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:468

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:432

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1764

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/432-62-0x0000000000000000-mapping.dmp

Download
memory/432-63-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/468-59-0x000000002F421000-0x000000002F424000-memory.dmp

Filesize
12KB

Download
memory/468-60-0x0000000070D41000-0x0000000070D43000-memory.dmp

Filesize
8KB

Download
memory/468-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1764-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads