79c710035d6c84916c7a6bd307e46e7ffe83c45fa5528742382163cc820f069c

General

Target

catalog-2020881978.xls
Size

367KB
MD5

5a2568db8e7c6a6ca1d5fa3fa0551fbd
SHA1

407b216f063b697c7e7a11a0bdff3aee0db9a4c2
SHA256

959bf91990f85486ed20a9107aa06a661d11e4acebfebca1aa1e50f96f3b446b
SHA512

57479d7287bf0252c24287c6c4526439618a4aaefcf57f380c3f5826f3c1bb224d8fed6ab07153e0bea8e68f4a6207a7dbd4e2be9b56551cb4e7466aa21cf3db

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	2004	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	760	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\Toolbar	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
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 (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
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
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

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 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 808	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	2004	EXCEL.EXE	rundll32.exe
PID 2004 wrote to memory of 760	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-2020881978.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:808

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:760

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/760-65-0x0000000000000000-mapping.dmp

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

Download
memory/808-64-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2004-60-0x000000002F1B1000-0x000000002F1B4000-memory.dmp

Filesize
12KB

Download
memory/2004-61-0x0000000071CC1000-0x0000000071CC3000-memory.dmp

Filesize
8KB

Download
memory/2004-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads