Malware Analysis Report

2025-08-06 00:54

Sample ID 241109-m327zsslcz
Target 77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692
SHA256 77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692
Tags
redline 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

77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692

Threat Level: Known bad

The file 77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692 was found to be: Known bad.

Malicious Activity Summary

redline discovery infostealer persistence

RedLine payload

Redline family

RedLine

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

2024-11-09 11:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 11:00

Reported

2024-11-09 11:02

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692.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\x0514300.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5185857.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\77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692.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\x0514300.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\77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0514300.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5185857.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692.exe

"C:\Users\Admin\AppData\Local\Temp\77e51aa5e916b40713ad3184569e4f206f7c66daf9bb58a1c2a933ed2c228692.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0514300.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0514300.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5185857.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5185857.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 114.108.222.173.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 115.108.222.173.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 73.82.67.80.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0514300.exe

MD5 1312830dd3c00285fb8f42e636573a96
SHA1 05235ebca99c1ba5b25bed8a02fc90f963cd5653
SHA256 7bc1e55e5eac0157ef10dfab8c269727d26b1e51759ad7364c105ff2d92e57cc
SHA512 21eb22876b2199983dc2c89536e203af7c81eba52a54af0fa94882ee6e758cacf6b42fa1049399b177cd441cfde02bc2a6e6e967a60711b0a07a01975c6d067f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5185857.exe

MD5 317e7409a2bb5d5cc5756b22d19f8f65
SHA1 80fec9ccfb4dcbfa0a142c0714e000c4cebaed5c
SHA256 95dac97529a6e28d86f69528d887835ed8fe23891e4cdf994c1690f3c9e1f282
SHA512 fe8894d752f9240eb1e67d4fd798013dcb5da88695b25c5b3fc8ab893cff6d804c3516a9a9a9cf40cf2ccfd9be64647b4de1151207a7ae08b78a3019332f35a7

memory/1424-14-0x00000000746EE000-0x00000000746EF000-memory.dmp

memory/1424-15-0x0000000000D80000-0x0000000000DA8000-memory.dmp

memory/1424-16-0x0000000008190000-0x00000000087A8000-memory.dmp

memory/1424-17-0x0000000007C20000-0x0000000007C32000-memory.dmp

memory/1424-18-0x0000000007D50000-0x0000000007E5A000-memory.dmp

memory/1424-19-0x0000000007C80000-0x0000000007CBC000-memory.dmp

memory/1424-20-0x00000000746E0000-0x0000000074E90000-memory.dmp

memory/1424-21-0x00000000051E0000-0x000000000522C000-memory.dmp

memory/1424-22-0x00000000746EE000-0x00000000746EF000-memory.dmp

memory/1424-23-0x00000000746E0000-0x0000000074E90000-memory.dmp