Malware Analysis Report

2024-12-07 03:40

Sample ID 241110-vh2dystrak
Target fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e
SHA256 fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e
Tags
redline fusa discovery infostealer persistence
score
10/10

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 Overview

score
10/10

SHA256

fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e

Threat Level: Known bad

The file fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

Redline family

RedLine

RedLine payload

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 17:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 17:00

Reported

2024-11-10 17:02

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe N/A

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\IXP000.TMP\szA76Vz.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4980 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe
PID 4980 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe
PID 4980 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe
PID 1412 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe
PID 1412 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe
PID 1412 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe
PID 2844 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe
PID 2844 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe
PID 2844 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe

"C:\Users\Admin\AppData\Local\Temp\fbb5cf5c13f61fd6d876252af29c6cc51d93d4b69dcf1dde61cda6f03513420e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe

Network

Country Destination Domain Proto
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szA76Vz.exe

MD5 aac5d9ec62fd9a53a0fb03fa730d9573
SHA1 7b4119c6b23db4bce444ab42029b94ddd72a665b
SHA256 b89462da1a05dd87e2ee35cd80ccb8f2c730f9779151b23c899c21207d0a85ab
SHA512 2d93bcb1f5a7d96e756a438dc2e99044f8ed0d4bcf7e44c9a3fbb236796360ef2c68ace869820e34fa53fe2e1d11d9f4d180e5006b0462aad6c39ae13b155d5d

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sSM44cL.exe

MD5 d595aece4ef55a48a19b50d053490bab
SHA1 b9acec7d53b9eb3efdc7690d861779d4d959b739
SHA256 278df2965904e5ae76d7aff3739cc51a4554a4d3d1faf07fb03894e57001d36c
SHA512 62b684f3b25d32f3ab2911918b92c84d0583a12c66cccb3732553327a3615712d7dd6fee7b848051a2cda248aa358207bbb578247aef6fad2338ad50a4768f7f

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kfV06xk.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2932-21-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/2932-22-0x0000000005F70000-0x0000000006588000-memory.dmp

memory/2932-23-0x0000000005AD0000-0x0000000005BDA000-memory.dmp

memory/2932-24-0x0000000005A00000-0x0000000005A12000-memory.dmp

memory/2932-25-0x0000000005A80000-0x0000000005ABC000-memory.dmp

memory/2932-26-0x0000000005A20000-0x0000000005A6C000-memory.dmp