a9dbf7b6e18c909880ffb9776eee944cd35745933c22267580e779cae371ead5

General

Target

catalog-249397.xls
Size

367KB
MD5

b3905a4e83c1bead87d497b30c37617c
SHA1

ac63f819f6dfee2b1d5c9e6c83f4068f3467e380
SHA256

612372ef00effc54e2b9a975704ae923ba9161fef0fcc94f4b4018275b9f434d
SHA512

b9f9b6e36c3f6559e1884097764db5110bf0b35abdbee1bf49075b7a92d81a5e0bd517b0398f1d051073b74f48c63f9a8c7e5400715144d8f97f2bc4832dfaa0

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	1828	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1276	1096	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE

pid	process
1096	EXCEL.EXE

pid	process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1828	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1276	1096	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-249397.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1828

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1276

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/1096-59-0x000000002F741000-0x000000002F744000-memory.dmp

Filesize
12KB

Download
memory/1096-60-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1096-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1276-64-0x0000000000000000-mapping.dmp

Download
memory/1828-62-0x0000000000000000-mapping.dmp

Download
memory/1828-63-0x0000000075561000-0x0000000075563000-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