4f52b96d53dac715320a2565ee96357de130588c2639b372acd7763615da45a3

General

Target

catalog-2139553193.xls
Size

367KB
MD5

9025282441b6081717f9bbb01813c05b
SHA1

58e38f464272efc5794a7fcfdfc55836c1e9cdbd
SHA256

52cf3f492fb450d2a14d894d40e2c9f08c1cad11251c7f2c2d5ced10a454881e
SHA512

6a77c5310a86ef8ee2f0b34b1284215dfdba9e7fd5615c60dc627ceaea42cec3ac3ee6ae3dd5882957d69c1b990cf2c60a0067efe1e13c6a0c251ae22b5f42d2

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	468	1732	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1900	1732	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1732 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1732 EXCEL.EXE
1732 EXCEL.EXE
1732 EXCEL.EXE

pid	process
1732	EXCEL.EXE

pid	process
1732	EXCEL.EXE
1732	EXCEL.EXE
1732	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 468	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	EXCEL.EXE	rundll32.exe
PID 1732 wrote to memory of 1900	1732	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-2139553193.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:468

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1900

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/468-62-0x0000000000000000-mapping.dmp

Download
memory/468-63-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/1732-59-0x000000002FBC1000-0x000000002FBC4000-memory.dmp

Filesize
12KB

Download
memory/1732-60-0x0000000070E21000-0x0000000070E23000-memory.dmp

Filesize
8KB

Download
memory/1732-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1900-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads