690e2805a6aa9691f49335dc15820cb1ae5ba390a69bebe627c31d1ac4153041

General

Target

catalog-2078303863.xls
Size

367KB
MD5

e23327247bd85149505a3d31708585b7
SHA1

99af576e545b21217641c8ca2ef49b2028715b37
SHA256

a26f8d349c4a429f8a8eb4d3eaecb5366fdbfdb09d39aeba806c58e4a1f8d897
SHA512

dfc74a7eb8f9ae0a9a6427436fa8dde95e07453b7c58bc96e6d01f6ef16c0a39d211283bb00b07e457353c7cbe4d7645cf3d8e178a6115d05b1ecbc2163dcc05

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	1756	756	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	988	756	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 (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

756 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

756 EXCEL.EXE
756 EXCEL.EXE
756 EXCEL.EXE

pid	process
756	EXCEL.EXE

pid	process
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 1756	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	EXCEL.EXE	rundll32.exe
PID 756 wrote to memory of 988	756	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-2078303863.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:988

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/756-60-0x000000002F491000-0x000000002F494000-memory.dmp

Filesize
12KB

Download
memory/756-61-0x0000000070F01000-0x0000000070F03000-memory.dmp

Filesize
8KB

Download
memory/756-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/988-65-0x0000000000000000-mapping.dmp

Download
memory/1756-63-0x0000000000000000-mapping.dmp

Download
memory/1756-64-0x00000000750C1000-0x00000000750C3000-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