65bed6345988384a572ab7c53ce64bf0efd527884666a273506b7c06e564e834

General

Target

catalog-2082234753.xls
Size

367KB
MD5

377979b8ec401411aff27b271837a30c
SHA1

19da1a5260761083698055a6151dc9af8463c25f
SHA256

9f19557269565477a97fb8095c3449c3e9b61bf75a8ea5f67a445dab68854392
SHA512

7f890705b6cdad0e9ef5dfe3df06d4ca78de2f48c35efa7607926c93dc60bf8563b4a94e1836276bc76ad77bffee85a7eddd26579c9404510d056b1855dbfa0c

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	1652	1988	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1120	1988	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 (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\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
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
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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
1988 EXCEL.EXE
1988 EXCEL.EXE

pid	process
1988	EXCEL.EXE

pid	process
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1652	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	EXCEL.EXE	rundll32.exe
PID 1988 wrote to memory of 1120	1988	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-2082234753.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1120

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/1120-64-0x0000000000000000-mapping.dmp

Download
memory/1652-62-0x0000000000000000-mapping.dmp

Download
memory/1652-63-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1988-59-0x000000002FCC1000-0x000000002FCC4000-memory.dmp

Filesize
12KB

Download
memory/1988-60-0x0000000070FB1000-0x0000000070FB3000-memory.dmp

Filesize
8KB

Download
memory/1988-61-0x000000005FFF0000-0x0000000060000000-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