12d3e0fcfc1a918e3dfecc00f306387735af877396974359e36236c78fea6137

General

Target

catalog-278882111.xls
Size

367KB
MD5

0ff6abd132e201c61675b446982cb4d9
SHA1

d56105e9c3a03eb1a7235d219270b251344ad892
SHA256

c4e0273f94893712ddd941d8060f0d26fa222922df40cd4fcc0cbc4d92888b94
SHA512

60b2b7641c6d00a7e21a72ae2e1cabd688dbc2f13c5e91264ace4b4de96f38a6afeb6980190428359cfffedde8b4d93a35eb7409d9c9879c75a0e1cbd7cd211a

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	436	788	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1848	788	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (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	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE

pid	process
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 436	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1848	788	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-278882111.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1848

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/436-63-0x0000000000000000-mapping.dmp

Download
memory/436-64-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/788-60-0x000000002F321000-0x000000002F324000-memory.dmp

Filesize
12KB

Download
memory/788-61-0x0000000071391000-0x0000000071393000-memory.dmp

Filesize
8KB

Download
memory/788-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1848-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads