40b4f28e570212d31feba7afe60edd5dde669dc01c7994c7a819fcf778125520

General

Target

catalog-2030122485.xls
Size

367KB
MD5

84bd232f6e7b2e8d1de94d149203ef45
SHA1

d9d4e395a1c2b7d36091665b8734ab553525c207
SHA256

c003c1ac0e1eb457de15bd41ac146519c2aa35effff53e4993527495836f7def
SHA512

12a4e07a1ddace61682fd9b67ce93a611ac3293f6d53247a59b1b819fe02beded432f89238ff0c90284fa17c7c263c2c4e142d0f4e46664acb30687748861a92

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	972	368	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1100	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	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
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
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

368 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

368 EXCEL.EXE
368 EXCEL.EXE
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
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 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 972	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	368	EXCEL.EXE	rundll32.exe
PID 368 wrote to memory of 1100	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-2030122485.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:972

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1100

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/368-59-0x000000002F3E1000-0x000000002F3E4000-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/972-62-0x0000000000000000-mapping.dmp

Download
memory/972-63-0x0000000076661000-0x0000000076663000-memory.dmp

Filesize
8KB

Download
memory/1100-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads