010ba7fc1e7761a8adb054eaf1258ac9e15d584cff7936fd01e2f14ddd4f1476

General

Target

catalog-2128875808.xls
Size

367KB
MD5

864eaf02552de6c727e9310eb9cac578
SHA1

1e9fa89e689e4a62db7aff326a5427743709efe4
SHA256

bf079e444a7e9750fe3f3090e8d5c78447009427ad01e8cf9037653716809b13
SHA512

88b49fe78611e7103ad692c8fedd66b96851225ae6f333ef8fce226e47d1d89d8692b2fe48a5eb73f66cfac7a2c3db0a264fe747ea4dc4af7062c951c5a4a3b4

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	864	2020	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1336	2020	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\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 (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
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
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

2020 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2020 EXCEL.EXE
2020 EXCEL.EXE
2020 EXCEL.EXE

pid	process
2020	EXCEL.EXE

pid	process
2020	EXCEL.EXE
2020	EXCEL.EXE
2020	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 864	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	EXCEL.EXE	rundll32.exe
PID 2020 wrote to memory of 1336	2020	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-2128875808.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:864

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1336

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/864-63-0x0000000000000000-mapping.dmp

Download
memory/864-64-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/1336-65-0x0000000000000000-mapping.dmp

Download
memory/2020-60-0x000000002F2D1000-0x000000002F2D4000-memory.dmp

Filesize
12KB

Download
memory/2020-61-0x0000000071941000-0x0000000071943000-memory.dmp

Filesize
8KB

Download
memory/2020-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads