d66bdca63e996f99b204db85ac4cdad64c6dfd502c84eee2d169ed69ec6f8e58

General

Target

catalog-1940915897.xls
Size

367KB
MD5

f89d243fb68446e093dcacf45b516a43
SHA1

7f594ff6fd6ca244280e447c0c4ae0fe59b0a84d
SHA256

f418f4343a2409cbe8109206047737666ad6593871f9d87816ffeae6c3e58309
SHA512

973922cf1e09e0948a4e2322c61cd8ee1cfb8d9874ca9852166d5fd6eb956024aa8e10eb29f0a810970e82b9761f8eacb667c2e390f23074785541602a10770a

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	1392	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	624	1672	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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 (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE

pid	process
1672	EXCEL.EXE

pid	process
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1392	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 624	1672	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-1940915897.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:624

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/624-64-0x0000000000000000-mapping.dmp

Download
memory/1392-62-0x0000000000000000-mapping.dmp

Download
memory/1392-63-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1672-59-0x000000002F2A1000-0x000000002F2A4000-memory.dmp

Filesize
12KB

Download
memory/1672-60-0x00000000716F1000-0x00000000716F3000-memory.dmp

Filesize
8KB

Download
memory/1672-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads