Malware Analysis Report

2025-08-10 13:48

Sample ID 241109-ftcseaybpf
Target b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438
SHA256 b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438
Tags
healer redline discovery dropper evasion infostealer persistence trojan
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

b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438

Threat Level: Known bad

The file b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine

Redline family

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine payload

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 05:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:09

Reported

2024-11-09 05:12

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.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\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.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\y1200645.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\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe

"C:\Users\Admin\AppData\Local\Temp\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
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
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 23.236.111.52.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
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exe

MD5 07a43b24a10a8b5286a8474045d2327f
SHA1 4261f0689c41b06a24f24daaa93da6f1e74962e8
SHA256 d1240968f35f7998ea6b4d88611f8763e66f9feb9100a63ea4465e0098e8db3d
SHA512 ec41ff223fca30ae9613d8273efe79e5ce34005445789a551d817b41a147b5f20ca7569044844d0a92a8fe9cb46fe4d0363074c7e8249474606d4d4411778c18

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3124-14-0x00007FFF30623000-0x00007FFF30625000-memory.dmp

memory/3124-15-0x0000000000DA0000-0x0000000000DAA000-memory.dmp

memory/3124-16-0x00007FFF30623000-0x00007FFF30625000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exe

MD5 8f30f7f88229560306c5959c605316de
SHA1 36f26a905a9743f6dd1608e39b37d1116cafcc0a
SHA256 3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7
SHA512 267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

memory/324-21-0x00000000001B0000-0x00000000001D8000-memory.dmp

memory/324-22-0x0000000007430000-0x0000000007A48000-memory.dmp

memory/324-23-0x0000000006ED0000-0x0000000006EE2000-memory.dmp

memory/324-24-0x0000000007040000-0x000000000714A000-memory.dmp

memory/324-25-0x0000000006F70000-0x0000000006FAC000-memory.dmp

memory/324-26-0x0000000004480000-0x00000000044CC000-memory.dmp