3f05c94522a4532273c042ba5e2339b1024413223657299e0fbb426cc8f11eb7

General

Target

catalog-1892192358.xls
Size

367KB
MD5

84dd120e9e82abb3970a1c49077afaa1
SHA1

9f7c3a1b1131e667f86f73a7c76e48f93a80fdd1
SHA256

06b365abe6392e6ae9654dc03186b70c42da190fcb48ef5530e68f4491f9c028
SHA512

e0e6c91adbcbdb1497b53bfeaa321fe27849bebaa034eda15da7c46ee32cea10809845d7a93c91ff6c042ddd9e991d279f2fd18492131bc127ed283ce3defa9c

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	1384	452	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	960	452	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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	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
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

452 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

452 EXCEL.EXE
452 EXCEL.EXE
452 EXCEL.EXE

pid	process
452	EXCEL.EXE

pid	process
452	EXCEL.EXE
452	EXCEL.EXE
452	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1384	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 960	452	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-1892192358.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1384

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:960

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/452-59-0x000000002FB41000-0x000000002FB44000-memory.dmp

Filesize
12KB

Download
memory/452-60-0x0000000071581000-0x0000000071583000-memory.dmp

Filesize
8KB

Download
memory/452-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/960-64-0x0000000000000000-mapping.dmp

Download
memory/1384-62-0x0000000000000000-mapping.dmp

Download
memory/1384-63-0x00000000753E1000-0x00000000753E3000-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