8e8dfd661d58de326537f08f352d06a8620e050b762abb7933e5d0ce168faf09

General

Target

catalog-2084377151.xls
Size

367KB
MD5

2d352058f8cbf4051e69f621fdae8230
SHA1

83c5531766840df31b6e16cf0a65b8f605d91f5a
SHA256

15225cdd778028cbe3a4bcf59fb0134c523f8a4b622e6433a7386be10f41ffeb
SHA512

d3c43b07247ffaeb34f36b6a84e32e0dac6779ac9e3a4cfcb57e36c5acd4ba164ab3496e725f9a37e75eae47c6d4ee57f1683030ac48b63908d7f987d50c671f

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	1584	1268	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	340	1268	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (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\MenuExt\E&xport to Microsoft Excel	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
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 (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1268 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1268 EXCEL.EXE
1268 EXCEL.EXE
1268 EXCEL.EXE

pid	process
1268	EXCEL.EXE

pid	process
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1584	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 340	1268	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-2084377151.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1584

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:340

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/340-65-0x0000000000000000-mapping.dmp

Download
memory/1268-60-0x000000002FAB1000-0x000000002FAB4000-memory.dmp

Filesize
12KB

Download
memory/1268-61-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1268-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1584-63-0x0000000000000000-mapping.dmp

Download
memory/1584-64-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads