Malware Analysis Report

2025-01-23 07:42

Sample ID 241108-l74qyazldy
Target 91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38
SHA256 91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38
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

91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38

Threat Level: Known bad

The file 91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38 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

2024-11-08 10:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 10:11

Reported

2024-11-08 10:13

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.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\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.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\nHL64nb.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\nMB44vr.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\nMB44vr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
PID 2316 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
PID 2316 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
PID 2052 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
PID 2052 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
PID 2052 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
PID 3384 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe
PID 3384 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe
PID 3384 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe

"C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.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 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 69.31.126.40.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 101.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe

MD5 0d219a012e36a78930d1eb0b6e53e97d
SHA1 7382bc4b5c36c9f568c703df68b6a0f2b3b97a19
SHA256 2cab946252502809283a0dd54fd0a6e3a9b80716748c605a66c9884142ac946f
SHA512 7c6e6ab4414cc6d5735da1f50f6abc80551a2ababa403eefddaac769e2d636e1b8dde82c3a2b6d176f70c0384bf12a134479f33cd25129de396c8ab0aab4a1bf

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe

MD5 9d6f84b2e54dbde2669be6d007d1b1a0
SHA1 6844de60b813fd6bd78697202df2f23f5b3da834
SHA256 523e1201a889a5ed5397801121514cf14753fb0c2a913d428f18fa5b6913ea7d
SHA512 ca8767674095e16db4bd769af8878845568551a856aebec7b8d31cd667db1e0d26adc8bc9dea7c354ac36e23345889a374c66857fe62997767a855cd3acf72f9

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1292-21-0x0000000000E30000-0x0000000000E62000-memory.dmp

memory/1292-22-0x0000000005DA0000-0x00000000063B8000-memory.dmp

memory/1292-23-0x0000000005910000-0x0000000005A1A000-memory.dmp

memory/1292-24-0x0000000005840000-0x0000000005852000-memory.dmp

memory/1292-25-0x00000000058A0000-0x00000000058DC000-memory.dmp

memory/1292-26-0x0000000005A20000-0x0000000005A6C000-memory.dmp