608bdfd3e0badc9647cdfb15f80e08304799b61ca4d7aebaebbe7dc2a140f995

General

Target

catalog-2087191249.xls
Size

367KB
MD5

3ad535735bd6c4f47802a9264f28da1f
SHA1

71240b697a58274c4d1843c0c41742419a901ce9
SHA256

fc76befecfbf3d53e5dc772d2b4bc44b20966e892d10f1cc2e56e4760f478a6a
SHA512

43bd9e42f0a6b2b8197ca8c8006746d4760fe8e0b6b48ca8d1ff660875adffe514f2e84198830b4dbd2207087f79f5c5fcfaedcc418a86717bb9b71f451dc356

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	1152	1076	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	928	1076	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 (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
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
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\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
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

1076 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1076 EXCEL.EXE
1076 EXCEL.EXE
1076 EXCEL.EXE
1076 EXCEL.EXE
1076 EXCEL.EXE

pid	process
1076	EXCEL.EXE

pid	process
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 1152	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	EXCEL.EXE	rundll32.exe
PID 1076 wrote to memory of 928	1076	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-2087191249.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1152

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:928

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

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Downloads

memory/928-65-0x0000000000000000-mapping.dmp

Download
memory/1076-60-0x000000002F971000-0x000000002F974000-memory.dmp

Filesize
12KB

Download
memory/1076-61-0x0000000071701000-0x0000000071703000-memory.dmp

Filesize
8KB

Download
memory/1076-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1152-63-0x0000000000000000-mapping.dmp

Download
memory/1152-64-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads