8daec55333b8697879b04188bd206839a7302969e245bec9ddca6860e4f9f51f

General

Target

catalog-2035363419.xls
Size

367KB
MD5

b1d4572d1d6bd8e548d6a4115d960021
SHA1

692f007e17f7a8c2270be4df514fee96341e77f4
SHA256

0efa51ef8288e94835b5d2bc3b89663aa913a07c565db2a3c51b80adbdadfb40
SHA512

8c68fe9065bb4149000f3b2354257ff6993b7d417960d366805b72a17fe36e4bb8262b51ccebea20656a3ef9b4206f98eef79408a21b7522071ed373eaee566d

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	1316	1836	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1812	1836	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
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 (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 (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 (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
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 (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

1836 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1836 EXCEL.EXE
1836 EXCEL.EXE
1836 EXCEL.EXE

pid	process
1836	EXCEL.EXE

pid	process
1836	EXCEL.EXE
1836	EXCEL.EXE
1836	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1316	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	EXCEL.EXE	rundll32.exe
PID 1836 wrote to memory of 1812	1836	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-2035363419.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1316

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1812

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/1316-63-0x0000000000000000-mapping.dmp

Download
memory/1316-64-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1812-65-0x0000000000000000-mapping.dmp

Download
memory/1836-60-0x000000002FD51000-0x000000002FD54000-memory.dmp

Filesize
12KB

Download
memory/1836-61-0x00000000713C1000-0x00000000713C3000-memory.dmp

Filesize
8KB

Download
memory/1836-62-0x000000005FFF0000-0x0000000060000000-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