c5ca585d11cbe3105aaf9187f308a29da6ad83c30625726b4f4c176eab60baeb

General

Target

catalog-250355479.xls
Size

367KB
MD5

3383ba2bb29cb5ccb5d2d062d0c81c91
SHA1

9fcadeb88dab3f3eb873d6e1c127d341b151afea
SHA256

ce1817251620fb293c886edcf300ce04de866b82d56493ddd24a130a26ca3c73
SHA512

d5dcad1f22e297ef3e9963b02e3b435a6d1e55f5910a15693cb7f13ede88528be5f8b951c1efa8c45a02d5845ea23ca94a4b22ed6c2d068a41a9412bc56634db

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	1964	1940	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1652	1940	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 (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\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1940 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1940 EXCEL.EXE
1940 EXCEL.EXE
1940 EXCEL.EXE

pid	process
1940	EXCEL.EXE

pid	process
1940	EXCEL.EXE
1940	EXCEL.EXE
1940	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1964	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	EXCEL.EXE	rundll32.exe
PID 1940 wrote to memory of 1652	1940	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-250355479.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1964

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1652

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/1652-64-0x0000000000000000-mapping.dmp

Download
memory/1940-59-0x000000002F251000-0x000000002F254000-memory.dmp

Filesize
12KB

Download
memory/1940-60-0x00000000714F1000-0x00000000714F3000-memory.dmp

Filesize
8KB

Download
memory/1940-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1964-62-0x0000000000000000-mapping.dmp

Download
memory/1964-63-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads