bab587a850a7952d70723762f4c07f88faaf780a96116000f499716dde9d4b2f

General

Target

catalog-194578415.xls
Size

367KB
MD5

b9bff82e12b808e5e8f2df9d89921c60
SHA1

2cb9aec2e2173e6c08e5281ea478f44abccec3ee
SHA256

15395a5ae5252d66b34ffafdc00ed7f2f04ea3207701a00ad46e71d66225ba88
SHA512

a6bbb004c8d079fa0b103ea4c6ae6c87144a320854ff9d06d9db1732e58efb8c38792fd975336bde7cc476a195a8993c55ab3d5de6b73426f7ffb1453cef6f61

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	1012	1084	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	696	1084	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\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\Se&nd to OneNote	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1084 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1084 EXCEL.EXE
1084 EXCEL.EXE
1084 EXCEL.EXE

pid	process
1084	EXCEL.EXE

pid	process
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 696	1084	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-194578415.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1012

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:696

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/696-64-0x0000000000000000-mapping.dmp

Download
memory/1012-62-0x0000000000000000-mapping.dmp

Download
memory/1012-63-0x0000000075411000-0x0000000075413000-memory.dmp

Filesize
8KB

Download
memory/1084-59-0x000000002F021000-0x000000002F024000-memory.dmp

Filesize
12KB

Download
memory/1084-60-0x0000000071361000-0x0000000071363000-memory.dmp

Filesize
8KB

Download
memory/1084-61-0x000000005FFF0000-0x0000000060000000-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