Malware Analysis Report

2024-10-23 21:17

Sample ID 240125-v56bescfhj
Target 751b9f800623a95400199b9b2764eb00
SHA256 d5fd4bbb8a4e7c67a02410b0ffdea75d9752115b1509e6b1943423fd12c42a78
Tags
kinsing loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
10/10

SHA256

d5fd4bbb8a4e7c67a02410b0ffdea75d9752115b1509e6b1943423fd12c42a78

Threat Level: Known bad

The file 751b9f800623a95400199b9b2764eb00 was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:35

Reported

2024-01-25 17:38

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2416 set thread context of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2416 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 2124 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

"C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe"

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

Network

N/A

Files

memory/2124-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-5-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-7-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-8-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-9-0x0000000010000000-0x0000000010012000-memory.dmp

memory/1196-11-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

memory/1196-17-0x000000007EFC0000-0x000000007EFC6000-memory.dmp

memory/2124-29-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2124-31-0x0000000010000000-0x0000000010012000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:35

Reported

2024-01-25 17:37

Platform

win10v2004-20231222-en

Max time kernel

140s

Max time network

149s

Command Line

C:\Windows\Explorer.EXE

Signatures

Kinsing

loader kinsing

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3276 set thread context of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 3276 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE
PID 4976 wrote to memory of 3548 N/A C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

"C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe"

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

C:\Users\Admin\AppData\Local\Temp\751b9f800623a95400199b9b2764eb00.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp

Files

memory/4976-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/4976-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/4976-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/4976-4-0x0000000010000000-0x0000000010012000-memory.dmp

memory/3548-6-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

memory/3548-8-0x000000007FFC0000-0x000000007FFC6000-memory.dmp

memory/4976-14-0x0000000010000000-0x0000000010012000-memory.dmp