cb803db868c5c9ca9afb6beabace8d8d56b8aaea584f6d7abe880c649b89cca5

General

Target

catalog-2092391987.xls
Size

367KB
MD5

bfba956a0060db4b1652555e49f4d4dd
SHA1

04136e538857dd4f6b51e34e4832ee74a35b145c
SHA256

27aee427afe05cfcda720658b55944a935bedb3023f8ab3e214d5e32a01b737b
SHA512

2176fc7a1f709cc9f20da2d76d813428ee222c2f4665a287a550872c992d1272800ae644b7cb30c22781dfcba4d7f7faa4c194e22201103e975ecb3518f2b285

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	972	1048	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	772	1048	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
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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1048 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1048 EXCEL.EXE
1048 EXCEL.EXE
1048 EXCEL.EXE

pid	process
1048	EXCEL.EXE

pid	process
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 972	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	EXCEL.EXE	rundll32.exe
PID 1048 wrote to memory of 772	1048	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-2092391987.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:972

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:772

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/772-64-0x0000000000000000-mapping.dmp

Download
memory/972-62-0x0000000000000000-mapping.dmp

Download
memory/972-63-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1048-59-0x000000002F321000-0x000000002F324000-memory.dmp

Filesize
12KB

Download
memory/1048-60-0x00000000711A1000-0x00000000711A3000-memory.dmp

Filesize
8KB

Download
memory/1048-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads