8ca364ed7098ed2237f9f888352f0253a2aa7c79eb8372210bc9484d0e17a9b4

General

Target

catalog-2034469038.xls
Size

367KB
MD5

8f39b777bbe0f2eb8820d03771b36499
SHA1

38b041907c0678b88b1077996219f77d8ed69c1e
SHA256

6a25a246beaf052796432b25ef9b1589930d867caa49ed6772b73c3b3cc26c52
SHA512

65483f338c127b7703912d284d0aa70f6392fb9824c92c6657abeae12f9623fd9bb464f12f053d883f6189cfb884cf895e53044059084d4a9820fa38147c535c

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	1844	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1228	1828	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\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\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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

1828 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
1828 EXCEL.EXE
1828 EXCEL.EXE

pid	process
1828	EXCEL.EXE

pid	process
1828	EXCEL.EXE
1828	EXCEL.EXE
1828	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1844	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1228	1828	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-2034469038.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1844

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1228

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/1228-65-0x0000000000000000-mapping.dmp

Download
memory/1828-60-0x000000002FCE1000-0x000000002FCE4000-memory.dmp

Filesize
12KB

Download
memory/1828-61-0x0000000070E31000-0x0000000070E33000-memory.dmp

Filesize
8KB

Download
memory/1828-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1844-63-0x0000000000000000-mapping.dmp

Download
memory/1844-64-0x0000000075801000-0x0000000075803000-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