ad00032538575c81384e45d1db94a63c3bf665966e9200025d5a046fa0b7c170

General

Target

catalog-2098311886.xls
Size

367KB
MD5

39c5464d3ec35720cfd9ce17ffb21009
SHA1

2e72fe2285328d15f7eebb633f3dc932791f66cc
SHA256

59df78797744356567767df8ea3683dd1ff897dc15a90d35fb94fbf1f6f64a8d
SHA512

44aabd54a04a2864c3a9c9e81c60957ad4ced61a2e5d13b07b72fbbac786c5666ce1f83137c6ef9065c491b205982ac46e2cd678aa11aff7085f6dc077464916

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	808	1748	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	616	1748	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

1748 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
1748 EXCEL.EXE
1748 EXCEL.EXE

pid	process
1748	EXCEL.EXE

pid	process
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 616	1748	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-2098311886.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:616

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/616-65-0x0000000000000000-mapping.dmp

Download
memory/808-63-0x0000000000000000-mapping.dmp

Download
memory/808-64-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1748-60-0x000000002F561000-0x000000002F564000-memory.dmp

Filesize
12KB

Download
memory/1748-61-0x0000000070F51000-0x0000000070F53000-memory.dmp

Filesize
8KB

Download
memory/1748-62-0x000000005FFF0000-0x0000000060000000-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