d9145d25e17ecfa0685ddf34aba79603d71817ae676d39cf6d6433b8b91f105f

General

Target

catalog-209882050.xls
Size

367KB
MD5

8666f7805cbc41e8c820494253e5f9aa
SHA1

6e1b4266f2e25b4b00cda7d3da6f0c9f09531160
SHA256

73f37edf1c244df0778a5e80aa4889f0afbd53179504441e9ab4573c1f562b53
SHA512

aad9a9dcb0ead8f7cb88aa7a10992d18c6cc82eec126a770dc18cbf8330e41603a8f1b9e04307f7e0df0eec73d6ec71905a072f84091efbfd43ba2ac2233df94

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	1840	1936	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1628	1936	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-1-5-21-2455352368-1077083310-2879168483-1000\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
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\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
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

1936 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1936 EXCEL.EXE
1936 EXCEL.EXE
1936 EXCEL.EXE

pid	process
1936	EXCEL.EXE

pid	process
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1840	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	EXCEL.EXE	rundll32.exe
PID 1936 wrote to memory of 1628	1936	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-209882050.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1840

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1628

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/1628-65-0x0000000000000000-mapping.dmp

Download
memory/1840-63-0x0000000000000000-mapping.dmp

Download
memory/1840-64-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1936-60-0x000000002FE11000-0x000000002FE14000-memory.dmp

Filesize
12KB

Download
memory/1936-61-0x00000000714F1000-0x00000000714F3000-memory.dmp

Filesize
8KB

Download
memory/1936-62-0x000000005FFF0000-0x0000000060000000-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