9da89b3ccaddc54aee4e70afeecf02900666fb930b404999c91e9e2ad96586df

General

Target

catalog-2000415751.xls
Size

367KB
MD5

4b814c69cf6d994300b87271bc1ee91f
SHA1

b01bce93377816a30f52f607fa0132f08bc95fd6
SHA256

14f9ac0c6073b33f3798882e8512672bc457c0ad87e47d8bb9f6a04e8d878ab5
SHA512

eba72e087980c3236f05452aa98607aed2afdacf145778f7b9e63c9ed980d9fbcc470e71f26c3064e183de0e53185c9ed5ba203a495a6ba0aa517d9989cdf686

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	1760	1876	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	428	1876	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\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
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\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\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1876 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1876 EXCEL.EXE
1876 EXCEL.EXE
1876 EXCEL.EXE

pid	process
1876	EXCEL.EXE

pid	process
1876	EXCEL.EXE
1876	EXCEL.EXE
1876	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 1760	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	EXCEL.EXE	rundll32.exe
PID 1876 wrote to memory of 428	1876	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-2000415751.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1760

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:428

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/428-64-0x0000000000000000-mapping.dmp

Download
memory/1760-62-0x0000000000000000-mapping.dmp

Download
memory/1760-63-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1876-59-0x000000002FB21000-0x000000002FB24000-memory.dmp

Filesize
12KB

Download
memory/1876-60-0x00000000716A1000-0x00000000716A3000-memory.dmp

Filesize
8KB

Download
memory/1876-61-0x000000005FFF0000-0x0000000060000000-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