aae537fa2b29733e866bd892c23d25934da3ae0cf4508b90525110b0ca2d407e

General

Target

catalog-1961381841.xls
Size

367KB
MD5

184c75f59bde31cb026a36f5ab8bf268
SHA1

7e36273bfaa88362eff206f11ad1cf5e7537cd4f
SHA256

2a3c415258d438ef57d84f084f38bd2f46402aa1bc1c048c4a68c537457ca948
SHA512

eca4f1fb2c371aa5f05ccc722c582657384033f48e5822c86cc3468f84c789ee18a5c6882dc36672208319e00056600bd85e5e2e1db55d4965ca5e83029ca121

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	1164	628	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	900	628	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
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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

628 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

628 EXCEL.EXE
628 EXCEL.EXE
628 EXCEL.EXE

pid	process
628	EXCEL.EXE

pid	process
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 1164	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	EXCEL.EXE	rundll32.exe
PID 628 wrote to memory of 900	628	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-1961381841.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1164

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:900

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/628-59-0x000000002FAB1000-0x000000002FAB4000-memory.dmp

Filesize
12KB

Download
memory/628-60-0x00000000717B1000-0x00000000717B3000-memory.dmp

Filesize
8KB

Download
memory/628-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/900-64-0x0000000000000000-mapping.dmp

Download
memory/1164-62-0x0000000000000000-mapping.dmp

Download
memory/1164-63-0x00000000757C1000-0x00000000757C3000-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