Malware Analysis Report

2024-11-15 08:52

Sample ID 230226-hjpekafh7w
Target 31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b
SHA256 31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b
Tags
purecrypter redline z2k downloader infostealer 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 Overview

score
10/10

SHA256

31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b

Threat Level: Known bad

The file 31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b was found to be: Known bad.

Malicious Activity Summary

purecrypter redline z2k downloader infostealer loader

Detect PureCrypter injector

PureCrypter

RedLine

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-26 06:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-26 06:46

Reported

2023-02-26 06:48

Platform

win10-20230220-en

Max time kernel

146s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe"

Signatures

Detect PureCrypter injector

loader
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PureCrypter

loader downloader purecrypter

RedLine

infostealer redline

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 8 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.exe

"C:\Users\Admin\AppData\Local\Temp\31e477a3732cf4d377bbb89c5a5a3763dadd3581ce07534bb4fc54efb951823b.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
GB 51.132.193.104:443 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
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/8-117-0x0000000000220000-0x000000000036C000-memory.dmp

memory/8-118-0x0000000004B10000-0x0000000004D94000-memory.dmp

memory/8-119-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-120-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-122-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-124-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-126-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-128-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-130-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-132-0x0000000004B00000-0x0000000004B10000-memory.dmp

memory/8-133-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-135-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-137-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-139-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-141-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-143-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-145-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-147-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-149-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-151-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-153-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-155-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-157-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-159-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-161-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-163-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-165-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-167-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-169-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-171-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-173-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-175-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-177-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-179-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-181-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-183-0x0000000004B10000-0x0000000004D8F000-memory.dmp

memory/8-739-0x0000000004B00000-0x0000000004B10000-memory.dmp

memory/8-10309-0x0000000000A10000-0x0000000000A32000-memory.dmp

memory/8-10310-0x0000000005260000-0x00000000055B0000-memory.dmp

memory/8-10311-0x0000000005160000-0x00000000051C6000-memory.dmp

memory/8-10312-0x0000000039A20000-0x0000000039AB2000-memory.dmp

memory/8-10313-0x0000000039FC0000-0x000000003A4BE000-memory.dmp

memory/8-10314-0x00000000055B0000-0x0000000005610000-memory.dmp

memory/772-10317-0x0000000000400000-0x000000000045A000-memory.dmp

memory/772-10318-0x0000000002D70000-0x0000000002D76000-memory.dmp

memory/772-10319-0x00000000052A0000-0x00000000052B0000-memory.dmp

memory/772-10320-0x000000000AF80000-0x000000000B586000-memory.dmp

memory/772-10321-0x000000000AAD0000-0x000000000ABDA000-memory.dmp

memory/772-10322-0x000000000AA00000-0x000000000AA12000-memory.dmp

memory/772-10323-0x000000000AA60000-0x000000000AA9E000-memory.dmp

memory/772-10324-0x000000000ABE0000-0x000000000AC2B000-memory.dmp

memory/772-10325-0x00000000052A0000-0x00000000052B0000-memory.dmp