e8fb165a38ff14baef711d1a6c7b32760657e5d63180912819de125a1db909fa

General

Target

catalog-240736446.xls
Size

367KB
MD5

268a42021d538ca7841b16a223bd1085
SHA1

c35468d38c3fff9f929899b861cca27c9e600f38
SHA256

8606800ed23efe827bb5e2895e47cb815b2c6d0d7e836aad7ca36e2bd839846b
SHA512

9ad81acdbbe480497cbced8932269c6cc98bd294e954aca9fee70da02ef2f8784cf61361bcc758581f8f08cc9b66fc032a186d097255ed2b49b90912173e2f90

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	1192	1240	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1208	1240	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\Toolbar	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 (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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1240 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1240 EXCEL.EXE
1240 EXCEL.EXE
1240 EXCEL.EXE

pid	process
1240	EXCEL.EXE

pid	process
1240	EXCEL.EXE
1240	EXCEL.EXE
1240	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1192	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	EXCEL.EXE	rundll32.exe
PID 1240 wrote to memory of 1208	1240	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-240736446.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1192

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1208

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/1192-62-0x0000000000000000-mapping.dmp

Download
memory/1192-63-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1208-64-0x0000000000000000-mapping.dmp

Download
memory/1240-59-0x000000002F2C1000-0x000000002F2C4000-memory.dmp

Filesize
12KB

Download
memory/1240-60-0x0000000070E41000-0x0000000070E43000-memory.dmp

Filesize
8KB

Download
memory/1240-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads