Malware Analysis Report

2024-11-30 21:48

Sample ID 230208-byjpasgf48
Target b4138222931b8458a109d11cd2194ce8.exe
SHA256 8601b9efdac4733e888cc949f337cfbba4140a6a441aaefe2ab391b4d637dfbc
Tags
purecrypter redline hwid-spoofer downloader infostealer loader spyware
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8601b9efdac4733e888cc949f337cfbba4140a6a441aaefe2ab391b4d637dfbc

Threat Level: Known bad

The file b4138222931b8458a109d11cd2194ce8.exe was found to be: Known bad.

Malicious Activity Summary

purecrypter redline hwid-spoofer downloader infostealer loader spyware

Detect PureCrypter injector

PureCrypter

RedLine

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-08 01:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-08 01:33

Reported

2023-02-08 01:35

Platform

win7-20220901-en

Max time kernel

45s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe"

Signatures

Detect PureCrypter injector

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

PureCrypter

loader downloader purecrypter

RedLine

infostealer redline

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1304 set thread context of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1304 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe

"C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 amrican-sport-live-stream.cc udp
NL 193.142.146.212:4581 amrican-sport-live-stream.cc tcp

Files

memory/1304-54-0x0000000000CD0000-0x0000000000E1C000-memory.dmp

memory/1304-55-0x0000000004DA0000-0x0000000005026000-memory.dmp

memory/1304-56-0x0000000004400000-0x0000000004460000-memory.dmp

memory/524-57-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-58-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-60-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-64-0x00000000004449EE-mapping.dmp

memory/524-62-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-63-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-66-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-68-0x0000000000400000-0x000000000045A000-memory.dmp

memory/524-69-0x00000000003C0000-0x00000000003C6000-memory.dmp

memory/524-70-0x00000000762E1000-0x00000000762E3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-08 01:33

Reported

2023-02-08 01:35

Platform

win10v2004-20221111-en

Max time kernel

126s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe"

Signatures

RedLine

infostealer redline

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4600 set thread context of 4168 N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe

"C:\Users\Admin\AppData\Local\Temp\b4138222931b8458a109d11cd2194ce8.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 amrican-sport-live-stream.cc udp
NL 193.142.146.212:4581 amrican-sport-live-stream.cc tcp
US 204.79.197.200:443 tcp

Files

memory/4600-132-0x00000000002A0000-0x00000000003EC000-memory.dmp

memory/4600-133-0x0000000005040000-0x0000000005062000-memory.dmp

memory/4600-134-0x0000000005210000-0x0000000005276000-memory.dmp

memory/4600-135-0x00000000337C0000-0x0000000033852000-memory.dmp

memory/4600-136-0x0000000033E10000-0x00000000343B4000-memory.dmp

memory/4168-137-0x0000000000000000-mapping.dmp

memory/4168-138-0x0000000000400000-0x000000000045A000-memory.dmp

memory/4168-139-0x0000000005AE0000-0x00000000060F8000-memory.dmp

memory/4168-140-0x00000000055D0000-0x00000000056DA000-memory.dmp

memory/4168-141-0x0000000005380000-0x0000000005392000-memory.dmp

memory/4168-142-0x0000000005500000-0x000000000553C000-memory.dmp

memory/4168-143-0x0000000006730000-0x00000000067A6000-memory.dmp

memory/4168-144-0x0000000006540000-0x0000000006590000-memory.dmp

memory/4168-145-0x0000000007220000-0x00000000073E2000-memory.dmp

memory/4168-146-0x0000000007C70000-0x000000000819C000-memory.dmp