11a82d99ae5fdb5cc4438188e30ebe799356cbf1671c1c893f1e797ea1b516ec

General

Target

catalog-2077572488.xls
Size

367KB
MD5

e2a2ab5fed81c1abb6ec1f2326e65cbb
SHA1

8268b9deff37f48e97c27daac52022f92a2988d7
SHA256

b12eba05ad4543196d272b3593e19cab66a4e0486c79b0344c0f9ec98e98ae02
SHA512

258090cebb97aaa9a3edead37de2fdaa2eb38e3e5de2d86183503f7acac7c25504f8f8c5b13b708612bc0a72b65fb1dc64ed82e2ddfbce0bb6bc94d8a829c75f

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	1032	484	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	928	484	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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE

pid	process
484	EXCEL.EXE

pid	process
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 1032	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 928	484	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-2077572488.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1032

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:928

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/484-60-0x000000002F8B1000-0x000000002F8B4000-memory.dmp

Filesize
12KB

Download
memory/484-61-0x0000000071981000-0x0000000071983000-memory.dmp

Filesize
8KB

Download
memory/484-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/928-65-0x0000000000000000-mapping.dmp

Download
memory/1032-63-0x0000000000000000-mapping.dmp

Download
memory/1032-64-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads