aa960c7456fb4f3ab04a5c4bbb700f4275d4da9f2a4a7e47461762d20d3df64e

General

Target

catalog-2126809506.xls
Size

367KB
MD5

396ab95aa59bc4ffb902be33b907ad71
SHA1

8f5b7c9ba6cc318d9b5a80e2086d3647de06f5ba
SHA256

f5c0cd884f0ff921534c2fa1929c5458860ee75b1bee4f5377e2771e2d559fa4
SHA512

e97ffdad35cf03910e043cd887145252bfea5e2297f68d41e6d04e69fe68bdaee21f2383888b675baeffa21983b1ace3f0f7f0d3386daea80f1bdf256c6d42a4

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	1444	736	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	380	736	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
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
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
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
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 (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

736 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

736 EXCEL.EXE
736 EXCEL.EXE
736 EXCEL.EXE

pid	process
736	EXCEL.EXE

pid	process
736	EXCEL.EXE
736	EXCEL.EXE
736	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 1444	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	EXCEL.EXE	rundll32.exe
PID 736 wrote to memory of 380	736	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-2126809506.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1444

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:380

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/380-65-0x0000000000000000-mapping.dmp

Download
memory/736-60-0x000000002F5B1000-0x000000002F5B4000-memory.dmp

Filesize
12KB

Download
memory/736-61-0x00000000716A1000-0x00000000716A3000-memory.dmp

Filesize
8KB

Download
memory/736-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1444-63-0x0000000000000000-mapping.dmp

Download
memory/1444-64-0x0000000075891000-0x0000000075893000-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