Malware Analysis Report

2025-08-11 06:41

Sample ID 241109-ecaq2sxanh
Target 2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e
SHA256 2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e
Tags
healer redline stek 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

2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e

Threat Level: Known bad

The file 2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e was found to be: Known bad.

Malicious Activity Summary

healer redline stek discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine

RedLine payload

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:47

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 03:47

Reported

2024-11-09 03:49

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.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\sw12iS70fy41.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\sw12iS70fy41.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\sw12iS70fy41.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe N/A

RedLine

infostealer redline

RedLine payload

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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\sw12iS70fy41.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\2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e.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\vLD3381DM.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\2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vLD3381DM.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tTs82ji75.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tTs82ji75.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e.exe

"C:\Users\Admin\AppData\Local\Temp\2b91b557c9707e6725848d11c1f251b377eee548edf010a2cb4dcf130b85d49e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vLD3381DM.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vLD3381DM.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tTs82ji75.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tTs82ji75.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vLD3381DM.exe

MD5 df49db6d633ec7bf1c0bd85d7d4ca873
SHA1 82a7930fbb3274fa2fc31d129751f2495c3c1f92
SHA256 aa1d694af1a25ad7c2a4e6031e8e97a16eb37600d7a263d9962416e627bcc139
SHA512 abd5f988e812df852857f060a95fc7f8a04130d2f01b4a744dbf2433a8a5b0e991ab920299423be76b1e6cfd23cd6ba938fbdd44946db26938b985caaaafe861

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw12iS70fy41.exe

MD5 a9adc4efcbc6c0615f4361a3ec789222
SHA1 f4197f043f30642f70a9e389291079434b361412
SHA256 89f21fe981acbcd25223af667029a321d9e16e9052db55588c41119d54adb52d
SHA512 b550990b9da7d9c606cecd06af3e75a7fb51f7a9427097e7cddd9442653902dcb7a7dca46b4736fcf3ff824a450f06cee2cda60e24dc205c35b295eaae329e92

memory/2932-14-0x00007FF9F5383000-0x00007FF9F5385000-memory.dmp

memory/2932-15-0x00000000004F0000-0x00000000004FA000-memory.dmp

memory/2932-16-0x00007FF9F5383000-0x00007FF9F5385000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tTs82ji75.exe

MD5 d59f82338e5d937f8762de73d2fe5bfd
SHA1 405e65a38c7677eaed8a28a9b9ef72a0ad7bdacb
SHA256 138b6143c345a24a8f866d24f461d19ce4c9ed06204f12eb4d09207baff6ebf1
SHA512 bf1cfe667b92ecdfd20625a50245e2640ddcc7f0320ae842b28ebd9e48582a437ed68360745d997d0cb5064926b84ec7de4450bf9f3d89692ea5f1ddf4775e75

memory/1872-22-0x00000000072B0000-0x00000000072F6000-memory.dmp

memory/1872-23-0x00000000072F0000-0x0000000007894000-memory.dmp

memory/1872-24-0x00000000078E0000-0x0000000007924000-memory.dmp

memory/1872-28-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-36-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-88-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-86-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-84-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-80-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-78-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-76-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-74-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-72-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-70-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-68-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-64-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-62-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-60-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-58-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-56-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-54-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-52-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-50-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-48-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-44-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-42-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-40-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-38-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-34-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-32-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-30-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-82-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-66-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-46-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-26-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-25-0x00000000078E0000-0x000000000791E000-memory.dmp

memory/1872-931-0x0000000007940000-0x0000000007F58000-memory.dmp

memory/1872-932-0x0000000007FE0000-0x00000000080EA000-memory.dmp

memory/1872-933-0x0000000008120000-0x0000000008132000-memory.dmp

memory/1872-934-0x0000000008140000-0x000000000817C000-memory.dmp

memory/1872-935-0x0000000008290000-0x00000000082DC000-memory.dmp