17ac448075a0012cfb3256531714208d8445e31cd928a5e2730d5020ad589012

General

Target

catalog-200342936.xls
Size

367KB
MD5

9a463d361231979b3af1aaa5bf3bd984
SHA1

07fc4a32d845587574125b4e9c1197063e0164dd
SHA256

ab57c5a5efcfc2c6db428c189123459f8cd2cd44ed969121f01a6553c21fe593
SHA512

544e5b1a8be1daa94d3b685536138f6f4c4f8aeb46e4603be52b9b8e4bc32f462acd3e43d737ef461789d42dddd1efa0f84bdf6c425904c2d1a1685d42fcd285

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	1072	768	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	984	768	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
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 (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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

768 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

768 EXCEL.EXE
768 EXCEL.EXE
768 EXCEL.EXE

pid	process
768	EXCEL.EXE

pid	process
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 1072	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	EXCEL.EXE	rundll32.exe
PID 768 wrote to memory of 984	768	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-200342936.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:768

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1072

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:984

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/768-60-0x000000002F591000-0x000000002F594000-memory.dmp

Filesize
12KB

Download
memory/768-61-0x0000000071981000-0x0000000071983000-memory.dmp

Filesize
8KB

Download
memory/768-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/984-65-0x0000000000000000-mapping.dmp

Download
memory/1072-63-0x0000000000000000-mapping.dmp

Download
memory/1072-64-0x0000000075EF1000-0x0000000075EF3000-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