Malware Analysis Report

2024-12-07 16:37

Sample ID 241113-3zvlqs1kc1
Target 85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135
SHA256 85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135
Tags
defense_evasion discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135

Threat Level: Shows suspicious behavior

The file 85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion discovery

Deletes itself

Loads dropped DLL

Executes dropped EXE

Indicator Removal: File Deletion

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 23:57

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 23:57

Reported

2024-11-14 00:00

Platform

win7-20240903-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A

Indicator Removal: File Deletion

defense_evasion

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1732 wrote to memory of 11900 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe
PID 1732 wrote to memory of 11900 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe
PID 1732 wrote to memory of 11900 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe
PID 1732 wrote to memory of 11900 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe
PID 1732 wrote to memory of 5708 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 5708 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 5708 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 5708 N/A C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe

"C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe"

C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe

C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe 5

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\csqeqe.temp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.47.188:80 www.baidu.com tcp
US 8.8.8.8:53 www.yzqie.com udp
CN 121.40.237.209:80 tcp
CN 121.40.237.209:80 tcp

Files

memory/1732-0-0x0000000000400000-0x0000000000B26000-memory.dmp

memory/1732-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/1732-2-0x0000000077170000-0x00000000771B7000-memory.dmp

memory/1732-503-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-504-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-560-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-506-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-508-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-510-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-512-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-514-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-516-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-518-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-520-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-522-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-524-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-526-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-528-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-530-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-532-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-534-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-536-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-538-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-540-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-542-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-544-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-546-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-548-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-550-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-552-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-554-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-564-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-562-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-558-0x0000000002A40000-0x0000000002B51000-memory.dmp

memory/1732-556-0x0000000002A40000-0x0000000002B51000-memory.dmp

\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe

MD5 7d3c6cb036066f1b7186453edfed61a4
SHA1 8c31c3a923e051d32a44fe660fb05c09f0b9508a
SHA256 d5d21b7bb492cf9c850e0b6152531b0c97a6e17f78e7b8522f9fc478f994ff02
SHA512 f13b8d0a4e6a6ccb7bb7713923991e9dd7ca7e8219accd3384f88a2a39701bbb01720165480b2a3c2794c46e68f7ec26c18ba14d474a64102ade08384bcdd27f

memory/1732-7832-0x0000000003FB0000-0x00000000046D6000-memory.dmp

memory/11900-7833-0x0000000000400000-0x0000000000B26000-memory.dmp

memory/1732-10381-0x0000000000400000-0x0000000000B26000-memory.dmp

memory/11900-16579-0x0000000000400000-0x0000000000B26000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 23:57

Reported

2024-11-14 00:00

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe

"C:\Users\Admin\AppData\Local\Temp\85cbefb9ece6a14dc2600b20645b579c66276d8748a34a4690d1d8a8841be135.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4672-0-0x0000000000400000-0x0000000000B26000-memory.dmp

memory/4672-1-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

memory/4672-2-0x00000000767C0000-0x00000000769D5000-memory.dmp

memory/4672-3274-0x0000000000400000-0x0000000000B26000-memory.dmp