93cbac8660d1d5fbf3035e133ac58444d259d7ffd82924d07a625b9a0fc2588f

General

Target

catalog-2053425544.xls
Size

367KB
MD5

a58070871aa8faa0b298d9ac99a9c7e3
SHA1

fc4dd9556d02fe6df6a441ff22c8e9011ae640ff
SHA256

971e709a346a79f43ba5956835cd685542eba41ba8adaa0171e36b2f73c6b0d5
SHA512

9e7a7dcc2b3b0bc7ad121b23bc2a760863caa8e3dad9413e7cfc0f615250961c1d22a838ea27b34e5b5c5184b83de006c9c76d5633ccbd7149810ece7574fc71

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	900	1860	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1700	1860	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\MenuExt	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 (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
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\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1860 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1860 EXCEL.EXE
1860 EXCEL.EXE
1860 EXCEL.EXE

pid	process
1860	EXCEL.EXE

pid	process
1860	EXCEL.EXE
1860	EXCEL.EXE
1860	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 900	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	EXCEL.EXE	rundll32.exe
PID 1860 wrote to memory of 1700	1860	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-2053425544.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:900

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1700

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/900-62-0x0000000000000000-mapping.dmp

Download
memory/900-63-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1700-64-0x0000000000000000-mapping.dmp

Download
memory/1860-59-0x000000002FD21000-0x000000002FD24000-memory.dmp

Filesize
12KB

Download
memory/1860-60-0x0000000071CA1000-0x0000000071CA3000-memory.dmp

Filesize
8KB

Download
memory/1860-61-0x000000005FFF0000-0x0000000060000000-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