Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-jynbgswcrp
Target 42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b
SHA256 42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b
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

42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b

Threat Level: Known bad

The file 42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b 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 08:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 08:04

Reported

2024-11-11 08:07

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.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\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.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\swv29RV.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\sms04cI.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\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1444 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe
PID 1444 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe
PID 1444 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe
PID 916 wrote to memory of 3764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe
PID 916 wrote to memory of 3764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe
PID 916 wrote to memory of 3764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe
PID 3764 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe
PID 3764 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe
PID 3764 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe

Processes

C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe

"C:\Users\Admin\AppData\Local\Temp\42085ca9791af096486656486a5b77f1a18b377b6ee5fe603621c8c833aa527b.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 102.208.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 14.227.111.52.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
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\swv29RV.exe

MD5 d76dcf4e2ee04092b13323223ba17462
SHA1 403618b7b1e9ca9341b4a38cedaa623fd1789e51
SHA256 b6ae5c2ada8976d26b7a3f9e30b059092e23865fb61c724533497d9a85d9b156
SHA512 d1adc952a14bfeace0ab843ebd5ac15771bdbe0b7600419c817cc0983d1fd4be800b4fcecacb5d0ec80b653e1c2915775b5594c9a0f0cd908719b0dd56dbbd6d

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sms04cI.exe

MD5 b3c8b2e9e36a7d90423a3e2d78581e7f
SHA1 83bd3d8c7586c5807a5522e5db46d0e8dfa8a7fc
SHA256 2d2f7528ac0a43a05bc2318b44ab56b21da9c51950cdb7b0a56bc52143e6e425
SHA512 f9c949026d57a7c657617665f42367aa1704c3fce99d7075c8a9a40e2be1007e6cfc45dff2d4e64ea248f14791e8b48b8c57f5976699c9406ed64dd6ab741f68

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kVC30Yu.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4008-21-0x0000000000AE0000-0x0000000000B12000-memory.dmp

memory/4008-22-0x0000000005920000-0x0000000005F38000-memory.dmp

memory/4008-23-0x0000000005480000-0x000000000558A000-memory.dmp

memory/4008-24-0x00000000053B0000-0x00000000053C2000-memory.dmp

memory/4008-25-0x0000000005430000-0x000000000546C000-memory.dmp

memory/4008-26-0x0000000005590000-0x00000000055DC000-memory.dmp