a29c86e43e78cfb3ba3759f7946d15d826129031ee884ebe3f76ef2fa90ababf

General

Target

catalog-2006600259.xls
Size

367KB
MD5

ed2013b4e4ccbc43be8f3a0413e099c1
SHA1

d039486f9775447792797d286467ac3d8ac987d4
SHA256

9997a64dd776de7a5c84866db4d7278b8218b9bef0ff2167c520d4ba7dd07db7
SHA512

c914134e55b48faac35c333739dedd5763382f0b60bd08bff8a29c62abc0a28ed172275e2b573ba0da4d0e455d96c47bf45b6f92040b4091c96f2ae9a376534a

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	944	1208	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1108	1208	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\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 (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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
1208 EXCEL.EXE
1208 EXCEL.EXE

pid	process
1208	EXCEL.EXE

pid	process
1208	EXCEL.EXE
1208	EXCEL.EXE
1208	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 944	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1108	1208	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-2006600259.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:944

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1108

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/944-62-0x0000000000000000-mapping.dmp

Download
memory/944-63-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/1108-64-0x0000000000000000-mapping.dmp

Download
memory/1208-59-0x000000002FCC1000-0x000000002FCC4000-memory.dmp

Filesize
12KB

Download
memory/1208-60-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1208-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads