fe94a86cbf3fe63126171bb635e044b13e4400be0d5c1121edc58916a99af745

General

Target

catalog-1972536037.xls
Size

367KB
MD5

e577b097a4850fad9bd1180d253ecc91
SHA1

f84b2d90d1c7187b3b47b85cdc592aa9c4f8e9ee
SHA256

f1f4910774a47c957fea118cf2d86636880f6537f3ea57aed343ba50e6ad20b7
SHA512

df9d590bb3ae593a94b61fa30c305834dc56a419e8f550ceeae56ac1e92edbcb767b393b7ea339e03a81f458e75160e9a0fba5f3ce5389cbcffbc9005a6fb0b0

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	1540	788	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1464	788	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
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
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\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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE

pid	process
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1540	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 1464	788	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-1972536037.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1540

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1464

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

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Downloads

memory/788-59-0x000000002F111000-0x000000002F114000-memory.dmp

Filesize
12KB

Download
memory/788-60-0x0000000071391000-0x0000000071393000-memory.dmp

Filesize
8KB

Download
memory/788-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1464-64-0x0000000000000000-mapping.dmp

Download
memory/1540-62-0x0000000000000000-mapping.dmp

Download
memory/1540-63-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads