e5ba5da052f9d1d94f512bb2e68b6f73e6eba72182d563ecafe251a9b66b2b25

General

Target

catalog-246484755.xls
Size

367KB
MD5

4202510d10185f6f3b811f261a365870
SHA1

c5142a69e1903cd1e6d797e171fb6f080062c8d2
SHA256

c23077ac89e3ead5440e855f4c430bb3efe97d6dc4674e4ae961f7eb32221011
SHA512

20454e1fda2f34d876cdf9312e4f5f0bb9a7a2896553d54aa50712421dbaa3c8313b1637afa035c5d7f63419de09baed4c2c8e115d6a911af5c71294a031a119

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	1084	1796	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1288	1796	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
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\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
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 (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
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	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1796 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1796 EXCEL.EXE
1796 EXCEL.EXE
1796 EXCEL.EXE

pid	process
1796	EXCEL.EXE

pid	process
1796	EXCEL.EXE
1796	EXCEL.EXE
1796	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1084	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	EXCEL.EXE	rundll32.exe
PID 1796 wrote to memory of 1288	1796	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-246484755.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1288

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/1084-62-0x0000000000000000-mapping.dmp

Download
memory/1084-63-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1288-64-0x0000000000000000-mapping.dmp

Download
memory/1796-59-0x000000002F311000-0x000000002F314000-memory.dmp

Filesize
12KB

Download
memory/1796-60-0x00000000716D1000-0x00000000716D3000-memory.dmp

Filesize
8KB

Download
memory/1796-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads