d5ab86b3c119a19fab929700b85a9283429c24b897cb14bae395899f334371fb

General

Target

catalog-2092578801.xls
Size

367KB
MD5

ddbb7fcf608649aafaf9c1a468093f0b
SHA1

b9ebbf6ac9fb14c2f070fcbc445ad951ed16bb67
SHA256

2952cd1f5f7cdcaedff7b14fd16ee96f4b9a41a1651edc9330a5e4129880cb7e
SHA512

2e07adbc1c743b4e2142a1d82d50f4b1f6e5bbd7dfa85d085835458cd7b0c5520cf021339c3cc68ecdafbed5af85e920edc07c110770d4cce25d25e5efd8d1a6

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	1540	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1080	1828	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
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 (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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
1828 EXCEL.EXE
1828 EXCEL.EXE

pid	process
1828	EXCEL.EXE

pid	process
1828	EXCEL.EXE
1828	EXCEL.EXE
1828	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1540	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1080	1828	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-2092578801.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1540

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1080

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/1080-65-0x0000000000000000-mapping.dmp

Download
memory/1540-63-0x0000000000000000-mapping.dmp

Download
memory/1540-64-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1828-60-0x000000002FAE1000-0x000000002FAE4000-memory.dmp

Filesize
12KB

Download
memory/1828-61-0x0000000070E31000-0x0000000070E33000-memory.dmp

Filesize
8KB

Download
memory/1828-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads