Malware Analysis Report

2024-12-07 03:36

Sample ID 241120-bzag1syamr
Target fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.exe
SHA256 fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387a
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

fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387a

Threat Level: Known bad

The file fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.exe 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

2024-11-20 01:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 01:34

Reported

2024-11-20 01:37

Platform

win10v2004-20241007-en

Max time kernel

106s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bHM44.exe N/A

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\fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.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\fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bHM44.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.exe

"C:\Users\Admin\AppData\Local\Temp\fbfb470973135803a543cd71e58d6b70aff6be3bf060721bf711fd98fcf4387aN.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bHM44.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bHM44.exe

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 13.86.106.20.in-addr.arpa udp
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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bHM44.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/412-7-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

memory/412-8-0x0000000000DE0000-0x0000000000E12000-memory.dmp

memory/412-9-0x0000000005C20000-0x0000000006238000-memory.dmp

memory/412-10-0x0000000005780000-0x000000000588A000-memory.dmp

memory/412-11-0x00000000056B0000-0x00000000056C2000-memory.dmp

memory/412-12-0x0000000005710000-0x000000000574C000-memory.dmp

memory/412-13-0x0000000005890000-0x00000000058DC000-memory.dmp

memory/412-14-0x0000000073F6E000-0x0000000073F6F000-memory.dmp