ab6d039ca151b2fb61dd458284ecaee5230ae39f1932d398ae2610a8ef333a27

General

Target

catalog-1997266566.xls
Size

367KB
MD5

8e03e6294a7d1e52e03a59d832b3deb2
SHA1

2cc1e1a0d0e6469cf32052b8126bba5d303abf51
SHA256

2e39fa64a512c09374036965a91f1849967e499f8a390901e4ceb7a9484f2305
SHA512

7285fade26bf02b3a07a9e6abb64ace9ba4eba4ecbde55594609f681309f8111787b0ca881282cb4baab79b64b42ca59d024d80136e04e4d92dc9f8b33665b5b

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	792	1992	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1800	1992	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 (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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
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\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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1992 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1992 EXCEL.EXE
1992 EXCEL.EXE
1992 EXCEL.EXE

pid	process
1992	EXCEL.EXE

pid	process
1992	EXCEL.EXE
1992	EXCEL.EXE
1992	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 792	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	EXCEL.EXE	rundll32.exe
PID 1992 wrote to memory of 1800	1992	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-1997266566.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:792

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1800

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/792-62-0x0000000000000000-mapping.dmp

Download
memory/792-63-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/1800-64-0x0000000000000000-mapping.dmp

Download
memory/1992-59-0x000000002FC51000-0x000000002FC54000-memory.dmp

Filesize
12KB

Download
memory/1992-60-0x0000000071B81000-0x0000000071B83000-memory.dmp

Filesize
8KB

Download
memory/1992-61-0x000000005FFF0000-0x0000000060000000-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