Malware Analysis Report

2025-01-23 07:44

Sample ID 241107-cgwszavpbp
Target 20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d
SHA256 20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d
Tags
redline fukia 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

20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d

Threat Level: Known bad

The file 20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d was found to be: Known bad.

Malicious Activity Summary

redline fukia 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

2024-11-07 02:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 02:03

Reported

2024-11-07 02:05

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d.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\nHU71.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOL81.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\20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d.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\nHU71.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\20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHU71.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOL81.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d.exe

"C:\Users\Admin\AppData\Local\Temp\20715a748df4ff5b117d76ad7e95e9182586b26480740780150bbcbb6f9c8b3d.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHU71.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHU71.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOL81.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOL81.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHU71.exe

MD5 fd95271416f36ebb039d9bb770fe7c63
SHA1 8b364d9ef05a6bb1a614be81c0ecd3ce7b43d504
SHA256 22d01539d198438e4f192b971f324ff48ce87615bb5006dec579559bb74ec797
SHA512 f8568cc30148e59242247e52b0d478caf446a7d2c1e493396573e824771041b9aaa32b5f3eabe60fe149b4a9f9065e9e9b2b8522d5e1cc4458f9f0261398c320

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bOL81.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/740-14-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

memory/740-15-0x0000000000F40000-0x0000000000F72000-memory.dmp

memory/740-16-0x0000000005EA0000-0x00000000064B8000-memory.dmp

memory/740-17-0x0000000005A20000-0x0000000005B2A000-memory.dmp

memory/740-18-0x0000000005950000-0x0000000005962000-memory.dmp

memory/740-19-0x00000000059B0000-0x00000000059EC000-memory.dmp

memory/740-20-0x0000000005B30000-0x0000000005B7C000-memory.dmp

memory/740-21-0x0000000074A6E000-0x0000000074A6F000-memory.dmp