c1685fc32fdaeff29f5f01755925459749849392246985251f39aafd98fc36d9

General

Target

catalog-2052649991.xls
Size

367KB
MD5

36aac2f3e5592b10edb298273512d27b
SHA1

ed9c7f93dea5310722139ede02bdce992405b61d
SHA256

926233fe3d3366dca1b54637c328c02dac9736522ad4119d36da0921b122d12a
SHA512

dc559017e45140a5f4bbe8f135759b87f129ea2ed8e310886f89e65621bc0d77d7ea79148e0a0d482a9b254bb6608a34ce12d421ec976ef10c57f023e4bb1225

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	548	1756	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1212	1756	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\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
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\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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE

pid	process
1756	EXCEL.EXE

pid	process
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 548	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	EXCEL.EXE	rundll32.exe
PID 1756 wrote to memory of 1212	1756	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-2052649991.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:548

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1212

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/548-63-0x0000000000000000-mapping.dmp

Download
memory/548-64-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1212-65-0x0000000000000000-mapping.dmp

Download
memory/1756-60-0x000000002F5C1000-0x000000002F5C4000-memory.dmp

Filesize
12KB

Download
memory/1756-61-0x0000000071521000-0x0000000071523000-memory.dmp

Filesize
8KB

Download
memory/1756-62-0x000000005FFF0000-0x0000000060000000-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