12eefb2e9db0aaebe97ded97ffb7fc192e548f206f857d99e808cdc525d3b7e2

General

Target

catalog-2012680994.xls
Size

367KB
MD5

d9896920b703407e6457a454319eb076
SHA1

ec5ccc2f1e3894d26c15ec251676d187454b1d58
SHA256

544249732ae65649ccbc287050f771e30333a6a47b5f18d848aa96eb7ecadf2e
SHA512

75ec7a2a661f5b2ef0f9009c83bda1d31c967edcf24edfe16632304474c02880cb036c63f33f4e4006794c6e6ced9d5c28e1dd556a77dda5d592502996a61849

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	1544	1220	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1536	1220	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\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 (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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1220 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1220 EXCEL.EXE
1220 EXCEL.EXE
1220 EXCEL.EXE

pid	process
1220	EXCEL.EXE

pid	process
1220	EXCEL.EXE
1220	EXCEL.EXE
1220	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1544	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	EXCEL.EXE	rundll32.exe
PID 1220 wrote to memory of 1536	1220	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-2012680994.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1544

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1536

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/1220-59-0x000000002FE81000-0x000000002FE84000-memory.dmp

Filesize
12KB

Download
memory/1220-60-0x0000000071971000-0x0000000071973000-memory.dmp

Filesize
8KB

Download
memory/1220-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1536-64-0x0000000000000000-mapping.dmp

Download
memory/1544-62-0x0000000000000000-mapping.dmp

Download
memory/1544-63-0x00000000769B1000-0x00000000769B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads