Malware Analysis Report

2025-08-10 13:02

Sample ID 241109-mgcefasjat
Target 99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf
SHA256 99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf
Tags
redline dease 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

99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf

Threat Level: Known bad

The file 99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf was found to be: Known bad.

Malicious Activity Summary

redline dease 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

2024-11-09 10:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 10:25

Reported

2024-11-09 10:28

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf.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\x4203324.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1155140.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\99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf.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\x4203324.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\99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4203324.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1155140.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf.exe

"C:\Users\Admin\AppData\Local\Temp\99a5333dfc6a14b55afd756ea0032102162bd7339b07872018e6565278d867bf.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4203324.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4203324.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1155140.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1155140.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 8.8.8.8:53 147.108.222.173.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 114.108.222.173.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4203324.exe

MD5 de707662ea94cf7b533a06ef24637e1d
SHA1 1efc343a59cab7b0a9b46d71b5bd04711c9b3909
SHA256 db6152bc9f469c0e6d352ba416c6f40d08e57b65ab815c7b9a0260197fd86d30
SHA512 622ee9035abb5f5c8cf9c6c23ce60d13ac48b9ee9401f5b717effdf0c1deab65b4e4c578df1b966cba8422c643f556b23e8546778ad6c821e676226b97fe52d6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1155140.exe

MD5 daa6f2ef7859cf8d014314228941deaa
SHA1 0c1078756c078d7f45cec6673a01da531c265ff5
SHA256 33fd77b5cf425b1f3dd29bc8a180a24a2dc46ac380f15b8372cd530f08717909
SHA512 71e4e8f49908966b911472141c5c3dc096374c0ab8cf8f3c70258f9339323b4dfb7f2f69a50446942baadc597c167f55a35f980605a0d577b3638dd72e3aca6f

memory/1708-14-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/1708-15-0x0000000000DE0000-0x0000000000E0E000-memory.dmp

memory/1708-16-0x0000000001590000-0x0000000001596000-memory.dmp

memory/1708-17-0x0000000005F40000-0x0000000006558000-memory.dmp

memory/1708-18-0x0000000005A30000-0x0000000005B3A000-memory.dmp

memory/1708-19-0x0000000005690000-0x00000000056A2000-memory.dmp

memory/1708-20-0x0000000074AC0000-0x0000000075270000-memory.dmp

memory/1708-21-0x0000000005920000-0x000000000595C000-memory.dmp

memory/1708-22-0x0000000005960000-0x00000000059AC000-memory.dmp

memory/1708-23-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/1708-24-0x0000000074AC0000-0x0000000075270000-memory.dmp