00694c9ffa8ae592d4c72f3312591a32db50c897edc7ce9a98e13b75756586a3

General

Target

catalog-2043858833.xls
Size

367KB
MD5

ae337c088028668f0e2bff8cd4720611
SHA1

294e9a17d11705de3f7b6302b70326f4e6e6fa00
SHA256

3a2de618fccfc9d477a964e00221a4f05ef00097060928f42de14e6ae2a2f1d3
SHA512

adafd08029699da6f5d996b92a9830612c546c5045e331dcfd37267031f52d9837bb7f3ff1a13d0581ba8e279aaa71aafdfde0cc332a6e89c46cf9ec64733aab

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	1352	1644	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	408	1644	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-1-5-21-2455352368-1077083310-2879168483-1000\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\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
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
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
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

1644 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1644 EXCEL.EXE
1644 EXCEL.EXE
1644 EXCEL.EXE

pid	process
1644	EXCEL.EXE

pid	process
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 1352	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	EXCEL.EXE	rundll32.exe
PID 1644 wrote to memory of 408	1644	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-2043858833.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1352

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:408

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/408-65-0x0000000000000000-mapping.dmp

Download
memory/1352-63-0x0000000000000000-mapping.dmp

Download
memory/1352-64-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1644-60-0x000000002F601000-0x000000002F604000-memory.dmp

Filesize
12KB

Download
memory/1644-61-0x0000000070D71000-0x0000000070D73000-memory.dmp

Filesize
8KB

Download
memory/1644-62-0x000000005FFF0000-0x0000000060000000-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