516816611c1bfd046dd22367461542f760a14a1fbe06422f1ca5ca9580fb120d

General

Target

catalog-2098741452.xls
Size

367KB
MD5

a55a762fd05ba03e1645d621935fb342
SHA1

fec20b078a586b75e32b3cd07876e8a83422813f
SHA256

db737401e289eaad9afb22f1e7808d8facaf50d3e297f134143fae9fa28f7eba
SHA512

c924c19992d74f5079fd2a5380b0471a81702f7fedf53dee74c3e855e2df4400a845feff86f6b386cc3f63534e5de4786b1ceb7428e839526a84c54cf5fa2bc6

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	756	1652	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	436	1652	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\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
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\E&xport to Microsoft Excel	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE

pid	process
1652	EXCEL.EXE

pid	process
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 756	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 436	1652	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-2098741452.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:436

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/436-65-0x0000000000000000-mapping.dmp

Download
memory/756-63-0x0000000000000000-mapping.dmp

Download
memory/756-64-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

Filesize
8KB

Download
memory/1652-60-0x000000002F3C1000-0x000000002F3C4000-memory.dmp

Filesize
12KB

Download
memory/1652-61-0x0000000071091000-0x0000000071093000-memory.dmp

Filesize
8KB

Download
memory/1652-62-0x000000005FFF0000-0x0000000060000000-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