fb7cec46dc7438be5a5e9774f1a6e675bfd526cc52ce7af2daebd19f9feae2ed

General

Target

catalog-302819507.xls
Size

367KB
MD5

7cd289674eb32dd66ca11eb987b0ea23
SHA1

75fa773c49265152ee07a41f878ac8a31d232f51
SHA256

741afede521126dd9b5ee2dcf538c0e1ee2feea11c7355ad3c12dd2e464fdcf9
SHA512

244037f410611173d99fd6966b7ddac9dd7c0d223d6dbd82d5c8773d41940bfbae2278e16a88400c796b8c82be7e38aae616610d3473955e105f4412ee07b230

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	1704	1860	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1696	1860	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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1860 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1860 EXCEL.EXE
1860 EXCEL.EXE
1860 EXCEL.EXE

pid	process
1860	EXCEL.EXE

pid	process
1860	EXCEL.EXE
1860	EXCEL.EXE
1860	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1704	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1696	1860	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-302819507.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1704

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1696

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1696-64-0x0000000000000000-mapping.dmp

Download
memory/1704-62-0x0000000000000000-mapping.dmp

Download
memory/1704-63-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1860-59-0x000000002FBB1000-0x000000002FBB4000-memory.dmp

Filesize
12KB

Download
memory/1860-60-0x0000000071CA1000-0x0000000071CA3000-memory.dmp

Filesize
8KB

Download
memory/1860-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads