55ec5f94b7ac8f0564f13a52ec53b4008d3a3fd9cea3b603bcf96bd285ced46b

General

Target

catalog-1981251487.xls
Size

367KB
MD5

1ce3ff8075bd41a50d249a074aa25e89
SHA1

23c40978c1c63824aeefeeb3f420e9f073272675
SHA256

fbec2cfe17c29a256bdda91314514e306d4e7d863733ef90b507e543c0df7214
SHA512

ee890b932405a93a5bbe970ec7cffff1d23e2275c8c21cf95f134cd1017d9f9bf32d6ddeccc84527e9b06a75360b2b3171afb52e12c134f8e6d23698ed9d4959

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	1900	1268	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1140	1268	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\Toolbar\ShowDiscussionButton = "Yes"	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 (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
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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1268 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1268 EXCEL.EXE
1268 EXCEL.EXE
1268 EXCEL.EXE

pid	process
1268	EXCEL.EXE

pid	process
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1900	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	EXCEL.EXE	rundll32.exe
PID 1268 wrote to memory of 1140	1268	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-1981251487.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1900

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1140

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/1140-64-0x0000000000000000-mapping.dmp

Download
memory/1268-59-0x000000002F331000-0x000000002F334000-memory.dmp

Filesize
12KB

Download
memory/1268-60-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1268-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1900-62-0x0000000000000000-mapping.dmp

Download
memory/1900-63-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads