21384a43070c99c8f600c71458ff52c4ea1868a37e8044761be4f24bb6c5a390

General

Target

catalog-300864781.xls
Size

367KB
MD5

375717e9854009c04afe1c165b852d53
SHA1

351a6c60703e139f34730942ed46fb1338bdf6e0
SHA256

a9a6341003f9cf6eb13ef9dd9a0c78d7e4beb53f2475466ab7fac198cb6f97a0
SHA512

d70271401543899fde7f06f237949725cba2128bd46a463532fbfc07aeec0ac085c2900f6306d2044e706d8828a4376be47c77cff1caa871697f9cb45ca4b8d1

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	1516	2032	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1936	2032	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
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
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\Toolbar\ShowDiscussionButton = "Yes"	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2032 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2032 EXCEL.EXE
2032 EXCEL.EXE
2032 EXCEL.EXE

pid	process
2032	EXCEL.EXE

pid	process
2032	EXCEL.EXE
2032	EXCEL.EXE
2032	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1516	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	EXCEL.EXE	rundll32.exe
PID 2032 wrote to memory of 1936	2032	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-300864781.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1936

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/1516-62-0x0000000000000000-mapping.dmp

Download
memory/1516-63-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1936-64-0x0000000000000000-mapping.dmp

Download
memory/2032-59-0x000000002F561000-0x000000002F564000-memory.dmp

Filesize
12KB

Download
memory/2032-60-0x0000000071141000-0x0000000071143000-memory.dmp

Filesize
8KB

Download
memory/2032-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads