Malware Analysis Report

2025-08-11 06:33

Sample ID 241109-md4drasfne
Target c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b
SHA256 c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b
Tags
redline @2023 discovery infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b

Threat Level: Known bad

The file c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b was found to be: Known bad.

Malicious Activity Summary

redline @2023 discovery infostealer

RedLine

RedLine payload

Redline family

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 10:21

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 10:21

Reported

2024-11-09 10:24

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe"

Signatures

RedLine

infostealer redline

RedLine payload

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

Redline family

redline

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2376 set thread context of 3740 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe

"C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2376 -ip 2376

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 420

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 79.137.192.28:20723 tcp
US 8.8.8.8:53 147.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 79.137.192.28:20723 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 89.82.67.80.in-addr.arpa udp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/2376-0-0x0000000000A8A000-0x0000000000A8B000-memory.dmp

memory/3740-1-0x0000000000400000-0x0000000000432000-memory.dmp

memory/3740-6-0x00000000751DE000-0x00000000751DF000-memory.dmp

memory/3740-7-0x00000000062B0000-0x00000000068C8000-memory.dmp

memory/3740-9-0x0000000007B30000-0x0000000007C3A000-memory.dmp

memory/3740-10-0x00000000060E0000-0x00000000060F2000-memory.dmp

memory/3740-8-0x00000000751D0000-0x0000000075980000-memory.dmp

memory/3740-11-0x0000000007D30000-0x0000000007D6C000-memory.dmp

memory/3740-12-0x0000000007DF0000-0x0000000007E3C000-memory.dmp

memory/2376-13-0x0000000000A80000-0x0000000000AC4000-memory.dmp

memory/3740-14-0x00000000751DE000-0x00000000751DF000-memory.dmp

memory/3740-15-0x00000000751D0000-0x0000000075980000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 10:21

Reported

2024-11-09 10:24

Platform

win7-20240903-en

Max time kernel

131s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe"

Signatures

RedLine

infostealer redline

RedLine payload

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

Redline family

redline

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2556 set thread context of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
PID 2556 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\SysWOW64\WerFault.exe
PID 2556 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\SysWOW64\WerFault.exe
PID 2556 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\SysWOW64\WerFault.exe
PID 2556 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe

"C:\Users\Admin\AppData\Local\Temp\c20188aeac3782469ac75c40911e5bae45d36f2208e286b51a5f6f5e878e371b.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 36

Network

Country Destination Domain Proto
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp
RU 79.137.192.28:20723 tcp

Files

memory/2556-0-0x000000000091A000-0x000000000091B000-memory.dmp

memory/2368-8-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2368-9-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2368-1-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2368-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2368-2-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2368-10-0x00000000740DE000-0x00000000740DF000-memory.dmp

memory/2368-11-0x00000000740D0000-0x00000000747BE000-memory.dmp

memory/2368-12-0x00000000740DE000-0x00000000740DF000-memory.dmp

memory/2556-13-0x0000000000910000-0x0000000000954000-memory.dmp

memory/2368-14-0x00000000740D0000-0x00000000747BE000-memory.dmp