5fa3dd7b3ce99c0871bb5d8ca71d9913c9d357632f4a4350846c91159574ccbf

General

Target

catalog-216235674.xls
Size

367KB
MD5

6bded2a6b0a1b9ec13b5f8180f6b12fb
SHA1

02420d9db0fa0c06a3b330ed828d42a2bfd7a147
SHA256

3d346e6c15d0d025ec9fc4b3857625fef81f24e6b924baff7c5372d0eb378112
SHA512

58c50e9bb4efc69ffdbe6198eb7747ff6c2358c100f97ce4e3e2bc89660459fde30de03851a69e36a2b781a02ca62c168c2799b01efae85859230d93c7932bd0

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	2040	1988	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2028	1988	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\MenuExt	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\Toolbar\ShowDiscussionButton = "Yes"	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
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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
1988 EXCEL.EXE
1988 EXCEL.EXE

pid	process
1988	EXCEL.EXE

pid	process
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2040	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 2028	1988	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-216235674.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2040

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2028

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/1988-60-0x000000002F0E1000-0x000000002F0E4000-memory.dmp

Filesize
12KB

Download
memory/1988-61-0x0000000070FD1000-0x0000000070FD3000-memory.dmp

Filesize
8KB

Download
memory/1988-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2028-65-0x0000000000000000-mapping.dmp

Download
memory/2040-63-0x0000000000000000-mapping.dmp

Download
memory/2040-64-0x0000000075AD1000-0x0000000075AD3000-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