fdda71198f187373f0ce4ee0da393ff09c1efd566fd43d6a29be653b176cf38b

General

Target

catalog-2144681670.xls
Size

367KB
MD5

6e960dae73245ebca349f9c731b3c31d
SHA1

ba6eefa2b94aa93fc339a7a82387c98868c7dfd2
SHA256

909e36e5cb85d6175de3897595fef42d7f507179eaf7262a3b7056f08231e3bf
SHA512

19dcde2a7a0644aadf7067ab6bf66b1f08542ce564ae407d3f0101d4de2967b04d65a515fe3e2c78dac4665919243b836dcb42c04b6d9732444794600c11016f

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	1148	2004	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	916	2004	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\E&xport to Microsoft Excel	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2004 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2004 EXCEL.EXE
2004 EXCEL.EXE
2004 EXCEL.EXE

pid	process
2004	EXCEL.EXE

pid	process
2004	EXCEL.EXE
2004	EXCEL.EXE
2004	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 1148	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 916	2004	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-2144681670.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1148

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:916

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/916-64-0x0000000000000000-mapping.dmp

Download
memory/1148-62-0x0000000000000000-mapping.dmp

Download
memory/1148-63-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2004-59-0x000000002F181000-0x000000002F184000-memory.dmp

Filesize
12KB

Download
memory/2004-60-0x0000000071CC1000-0x0000000071CC3000-memory.dmp

Filesize
8KB

Download
memory/2004-61-0x000000005FFF0000-0x0000000060000000-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