b14d9418b6cb47b3ab9a4229a3744aa0a7d4b43a51cf82a3662d6fb8f343adf6

General

Target

catalog-1991842465.xls
Size

367KB
MD5

72759ddc7fbcb48f6ef2f44f42672d1a
SHA1

38a1e787b4462c596b29db51a0ff6e7ac96178d3
SHA256

f6adcf3e81309cade19daea5b1264bd7c230c72016314bc4cd5d49a1b04e2ff6
SHA512

e707d19cd662087641c5c9faa2170386cb651c71fcd2a8399be496d420fe2478a9d52348a82ed9e365a2e4789bd394a84eb2f3fe95a030d72c1e833787cedec1

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	576	1640	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1148	1640	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
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\E&xport to Microsoft Excel\Contexts = "1"	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	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
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 (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

1640 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1640 EXCEL.EXE
1640 EXCEL.EXE
1640 EXCEL.EXE

pid	process
1640	EXCEL.EXE

pid	process
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 576	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	EXCEL.EXE	rundll32.exe
PID 1640 wrote to memory of 1148	1640	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-1991842465.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:576

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1148

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/576-62-0x0000000000000000-mapping.dmp

Download
memory/576-63-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1148-64-0x0000000000000000-mapping.dmp

Download
memory/1640-59-0x000000002F5D1000-0x000000002F5D4000-memory.dmp

Filesize
12KB

Download
memory/1640-60-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1640-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads