3c59757aba5eb4beeca82fa90b2c6b5e8863f26080cfaf76e5cb3e1b6fd56ccc

General

Target

catalog-235994486.xls
Size

367KB
MD5

f6067c2ae93428abda3c199f92828174
SHA1

80398e55a739c78de835883ec67220f5e47fb250
SHA256

92d58e3c1f20ee5d55a22b17cad75bd9d500e609f8704596d614102371007016
SHA512

d3cf730960b24d4c0f26f4290840b498675a39a5e85485e38222fe3f325feeb56435163400f32e2269b0fcf1479c570835f3793b46564c5e5616c5effe19a1b2

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	2020	1308	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	600	1308	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\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
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\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	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1308 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1308 EXCEL.EXE
1308 EXCEL.EXE
1308 EXCEL.EXE

pid	process
1308	EXCEL.EXE

pid	process
1308	EXCEL.EXE
1308	EXCEL.EXE
1308	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 2020	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	EXCEL.EXE	rundll32.exe
PID 1308 wrote to memory of 600	1308	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-235994486.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2020

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:600

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/600-65-0x0000000000000000-mapping.dmp

Download
memory/1308-60-0x000000002F2D1000-0x000000002F2D4000-memory.dmp

Filesize
12KB

Download
memory/1308-61-0x0000000070E11000-0x0000000070E13000-memory.dmp

Filesize
8KB

Download
memory/1308-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2020-63-0x0000000000000000-mapping.dmp

Download
memory/2020-64-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads