Malware Analysis Report

2025-01-22 13:04

Sample ID 240626-fhb2qsyepn
Target 5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2
SHA256 5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2
Tags
vmprotect discovery
score
8/10

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
8/10

SHA256

5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2

Threat Level: Likely malicious

The file 5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2 was found to be: Likely malicious.

Malicious Activity Summary

vmprotect discovery

Blocklisted process makes network request

VMProtect packed file

Loads dropped DLL

Modifies file permissions

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Views/modifies file attributes

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 04:51

Signatures

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 04:51

Reported

2024-06-26 04:54

Platform

win7-20240611-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe"

Signatures

Blocklisted process makes network request

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

Modifies file permissions

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

VMProtect packed file

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 852 set thread context of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 852 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2400 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2604 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 2604 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 2604 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 2604 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 2668 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2668 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2668 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2668 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe

"C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c icacls C:\Windows\apppatch\svchost.sdb /grant everyone:(F,GA) SYSTEM:(F,GA) administrators:(F,GA) users:(F,GA) /q /c

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c attrib C:\Windows\AppPatch\svchost.sdb -r -s -h

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\apppatch\svchost.sdb /grant everyone:(F,GA) SYSTEM:(F,GA) administrators:(F,GA) users:(F,GA) /q /c

C:\Windows\SysWOW64\attrib.exe

attrib C:\Windows\AppPatch\svchost.sdb -r -s -h

Network

Country Destination Domain Proto
US 8.8.8.8:53 mmmmm999.oss-cn-hangzhou.aliyuncs.com udp
CN 118.31.232.17:80 mmmmm999.oss-cn-hangzhou.aliyuncs.com tcp
N/A 127.0.59.227:9999 tcp
US 8.8.8.8:53 nnntttbbb.oss-cn-hangzhou.aliyuncs.com udp
CN 118.31.232.13:443 nnntttbbb.oss-cn-hangzhou.aliyuncs.com tcp
CN 118.31.232.13:443 nnntttbbb.oss-cn-hangzhou.aliyuncs.com tcp

Files

memory/852-0-0x0000000000400000-0x0000000001052000-memory.dmp

memory/852-7-0x00000000772B0000-0x00000000772B1000-memory.dmp

memory/852-3-0x00000000778C0000-0x00000000778C1000-memory.dmp

memory/852-1-0x00000000778C0000-0x00000000778C1000-memory.dmp

memory/852-9-0x0000000000400000-0x0000000001052000-memory.dmp

memory/852-11-0x00000000772B0000-0x00000000772B1000-memory.dmp

memory/852-15-0x00000000778C0000-0x00000000778C1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ISocket.dll

MD5 6db6dcfe126984a341cecfc5be783f48
SHA1 98309871ad417694bafd93d44eb71180b79cdd45
SHA256 8adf02829208ea32bdb377e8fccfd106393611e9425d980ce39a8dac17150dac
SHA512 d4848676f2eb202ccc8f56f8389c53db0335f0ccc99ec4481e1c9978c2664519a0ffad0e8b53cc0bb56ae7ddf1cd041e225200b807a5808027c863d8094fcdc3

memory/2400-18-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-31-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2400-34-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-28-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-25-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-22-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-21-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2400-38-0x0000000000400000-0x000000000043B000-memory.dmp

memory/852-40-0x0000000000400000-0x0000000001052000-memory.dmp

memory/852-44-0x0000000000400000-0x0000000001052000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 04:51

Reported

2024-06-26 04:54

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe"

Signatures

VMProtect packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe

"C:\Users\Admin\AppData\Local\Temp\5942accde84039e47a47827e46ece7b15986d1887833279d1ecaa31071b579c2.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3904 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.59.227:9999 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 nnntttbbb.oss-cn-hangzhou.aliyuncs.com udp
CN 118.31.232.13:443 nnntttbbb.oss-cn-hangzhou.aliyuncs.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
CN 118.31.232.13:443 nnntttbbb.oss-cn-hangzhou.aliyuncs.com tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/3040-0-0x0000000000400000-0x0000000001052000-memory.dmp

memory/3040-1-0x0000000000400000-0x0000000001052000-memory.dmp

memory/3040-3-0x0000000076FE0000-0x0000000076FE1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ISocket.dll

MD5 6db6dcfe126984a341cecfc5be783f48
SHA1 98309871ad417694bafd93d44eb71180b79cdd45
SHA256 8adf02829208ea32bdb377e8fccfd106393611e9425d980ce39a8dac17150dac
SHA512 d4848676f2eb202ccc8f56f8389c53db0335f0ccc99ec4481e1c9978c2664519a0ffad0e8b53cc0bb56ae7ddf1cd041e225200b807a5808027c863d8094fcdc3

memory/3040-9-0x0000000077950000-0x0000000077951000-memory.dmp

memory/3040-14-0x0000000000400000-0x0000000001052000-memory.dmp

memory/3040-15-0x0000000000400000-0x0000000001052000-memory.dmp