c1f64b4f084b37a231990814c431e7d4eaad3e2cceb5a38d62f4f9f79bcd9ffe

General

Target

catalog-2073106428.xls
Size

367KB
MD5

5bef2a4476c22f91d4b77802cbbd66dc
SHA1

abee3e6b5e3a1b8c0d120387a11880f7863077c9
SHA256

5aa78f2233eedc785ad90718ab50f74f23e893ff3523137b6bde7fea883280e1
SHA512

439612d297e1c7f0fb56c43e80c3d260f316fa17b3d9fbd8cf3c09f5a2330d450208935747be6d814345db47c1c752769e182db2172d08e988fc13ca94ddf81c

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	1044	1996	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1944	1996	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\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
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
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\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\Se&nd to OneNote\Contexts = "55"	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1996 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1996 EXCEL.EXE
1996 EXCEL.EXE
1996 EXCEL.EXE

pid	process
1996	EXCEL.EXE

pid	process
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1044	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1944	1996	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-2073106428.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1044

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1944

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/1044-62-0x0000000000000000-mapping.dmp

Download
memory/1044-63-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1944-64-0x0000000000000000-mapping.dmp

Download
memory/1996-59-0x000000002FAE1000-0x000000002FAE4000-memory.dmp

Filesize
12KB

Download
memory/1996-60-0x0000000070F91000-0x0000000070F93000-memory.dmp

Filesize
8KB

Download
memory/1996-61-0x000000005FFF0000-0x0000000060000000-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