400c128b0756f2796bb0734d178616918e5909980b8fd490711ddfcfff58ebca

General

Target

catalog-2139266016.xls
Size

367KB
MD5

37c6751eaecd773842215726fa45799e
SHA1

eca620624262b47eec7c6c18c6aae195915f7b06
SHA256

7c6d45888f95d211503c07414168d7d8362e1a188858b17f97b514ba8a4e91cd
SHA512

527c265b514a480e7a62ee5b79f2e44bc309b9f0eefaf1da5a76aa24d2e2ff89324df00e9aaa4db924e9dfef4c4bcfd20e57f1e6b5e1ec73c93167eaf5cead5e

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	888	1996	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1492	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
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\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 (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
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
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

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 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 888	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	1996	EXCEL.EXE	rundll32.exe
PID 1996 wrote to memory of 1492	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-2139266016.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:888

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1492

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/888-62-0x0000000000000000-mapping.dmp

Download
memory/888-63-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1492-64-0x0000000000000000-mapping.dmp

Download
memory/1996-59-0x000000002FC21000-0x000000002FC24000-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

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Downloads