Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-h21wbavjg1
Target f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837
SHA256 f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837
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

f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837

Threat Level: Known bad

The file f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837 was found to be: Known bad.

Malicious Activity Summary

redline fusa discovery infostealer persistence

RedLine

RedLine payload

Redline family

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

2024-11-11 07:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 07:14

Reported

2024-11-11 07:17

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837.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\nLp94.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCz62.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\f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837.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\nLp94.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\IXP001.TMP\bCz62.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLp94.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837.exe

"C:\Users\Admin\AppData\Local\Temp\f87600e3080c12acc7fd080b1f43aa5ce8073357f2d6ab216881c89d3b904837.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLp94.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLp94.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCz62.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCz62.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLp94.exe

MD5 c8e8914aec4eaf8591f91075005a1688
SHA1 1182bfb2f48e3582fcbd4cadae455c268bd0356b
SHA256 7cb1064649b274a16a5260c7b999084727ea1c901d29695acba9f8c598e56c19
SHA512 177b578ded74eddbf5c7b743e2cf631f5b6b3f1851049b74c25fda6a706272e8e0e81294f33c4608836891f1ea85aea66aa758265b088a54efc79ddf4b891977

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCz62.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/5096-14-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

memory/5096-15-0x00000000000D0000-0x0000000000102000-memory.dmp

memory/5096-16-0x0000000005030000-0x0000000005648000-memory.dmp

memory/5096-17-0x0000000004BB0000-0x0000000004CBA000-memory.dmp

memory/5096-18-0x0000000004AE0000-0x0000000004AF2000-memory.dmp

memory/5096-19-0x0000000004B70000-0x0000000004BAC000-memory.dmp

memory/5096-20-0x0000000004B00000-0x0000000004B4C000-memory.dmp

memory/5096-21-0x0000000074B6E000-0x0000000074B6F000-memory.dmp