dbad9e585e2fc8879233167325116f93ebcfb7a9dd91e77186f8630608c99edc

General

Target

catalog-225145695.xls
Size

367KB
MD5

405bab43c323b0b782035b1d323e7b80
SHA1

80101734e0564859e633bd8669abda8358297d4b
SHA256

4d956bbd0c66b921211e71c7e0eb920adcd49c9dc67ba16298b14fb15160a32f
SHA512

31abaedeab3d56f8470ea951ca07b5d6d1492eeee4d1708f05243ae6a1ed4816ec82601dec220b3353665ced69ddbc827d9e09c6ba88aad728efe001a3d3d13f

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	292	1832	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1680	1832	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\Toolbar\ShowDiscussionButton = "Yes"	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\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1832 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE

pid	process
1832	EXCEL.EXE

pid	process
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 292	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1680	1832	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-225145695.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:292

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1680

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/292-63-0x0000000000000000-mapping.dmp

Download
memory/292-64-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1680-65-0x0000000000000000-mapping.dmp

Download
memory/1832-60-0x000000002F141000-0x000000002F144000-memory.dmp

Filesize
12KB

Download
memory/1832-61-0x0000000071CA1000-0x0000000071CA3000-memory.dmp

Filesize
8KB

Download
memory/1832-62-0x000000005FFF0000-0x0000000060000000-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