8bf794db996358f950cd7fba85182e67f93d0f4372f359eeddb02dc7ee6b9dd1

General

Target

catalog-2008075537.xls
Size

367KB
MD5

4060bf1e1086dce18ef6dc459d1bddf0
SHA1

cc281ef4431117020f7dc9b79974fb2d276474f4
SHA256

51d4bf15f49a7b45e0f21e1c5b82c7527fb7b4acefa93a76b15e334abeb1130a
SHA512

e2c2a68b843a826b141a5c9f5f557f9fd7266c63f80d108b50d5a1e403542312ff890ff3920b3298308c895eb98389bf423ae0a4ba119a1a6bbae88ce9eeb166

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	968	1088	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	856	1088	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\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 (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\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
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 (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

1088 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1088 EXCEL.EXE
1088 EXCEL.EXE
1088 EXCEL.EXE

pid	process
1088	EXCEL.EXE

pid	process
1088	EXCEL.EXE
1088	EXCEL.EXE
1088	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 968	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	EXCEL.EXE	rundll32.exe
PID 1088 wrote to memory of 856	1088	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-2008075537.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:968

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:856

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/856-64-0x0000000000000000-mapping.dmp

Download
memory/968-62-0x0000000000000000-mapping.dmp

Download
memory/968-63-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1088-59-0x000000002F901000-0x000000002F904000-memory.dmp

Filesize
12KB

Download
memory/1088-60-0x00000000713F1000-0x00000000713F3000-memory.dmp

Filesize
8KB

Download
memory/1088-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads