9d773eb1ae82d27738fd1d7d3cb66eba1bd3555d6d523c63813cb9d9fe7512a4

General

Target

catalog-1931028109.xls
Size

367KB
MD5

3aa8d2fc56895da4860d4a21522ee119
SHA1

9620523306e600b58d9819c6335caa41cd73b953
SHA256

1be1bf684b33a7b6113fe1ff31a43206bc39248125d7c7de37d921b97fa1e404
SHA512

273a7abc7ff78b4dc8f10e552a5417ad7f4cff8e87811fa7f74ae9b62ed48e1bf611687f010bfb6a10f63c10c16ac26fbe88d4a1fac3983d6ab4870bec164425

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	1692	1116	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	824	1116	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\MenuExt	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\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\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\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1116 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1116 EXCEL.EXE
1116 EXCEL.EXE
1116 EXCEL.EXE

pid	process
1116	EXCEL.EXE

pid	process
1116	EXCEL.EXE
1116	EXCEL.EXE
1116	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1692	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	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-1931028109.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:824

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/824-64-0x0000000000000000-mapping.dmp

Download
memory/1116-59-0x000000002F5C1000-0x000000002F5C4000-memory.dmp

Filesize
12KB

Download
memory/1116-60-0x0000000071B01000-0x0000000071B03000-memory.dmp

Filesize
8KB

Download
memory/1116-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1692-62-0x0000000000000000-mapping.dmp

Download
memory/1692-63-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads