Malware Analysis Report

2025-04-03 14:20

Sample ID 241110-dlmljaycpf
Target 971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N
SHA256 971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56
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

971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56

Threat Level: Known bad

The file 971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Healer

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Redline family

Healer family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:05

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:05

Reported

2024-11-10 03:07

Platform

win10v2004-20241007-en

Max time kernel

113s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.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\971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N.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\971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N.exe

"C:\Users\Admin\AppData\Local\Temp\971d0830fabe90b715379e23601a677d712294dd25fd4ac4bcb377e6941f0a56N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1452 -ip 1452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.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 88.210.23.2.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
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\48443934.exe

MD5 21f5ad9bd10b8e837562b0d7073166da
SHA1 543050be2b85d33e5111ad2de4f120c57764c0ef
SHA256 51c4b80e9d6f3f43307978c50f5ea560c13117d242ef75c65b35e09b09d32135
SHA512 9546220e8050f33ab3ac6c78786c780bcbe2fd8eb7fbf470faf59d356a13eec76d3ef3ca95c63994c39d760de463b859e23841260818db225c495f9f39d79519

memory/1452-8-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/1452-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1452-10-0x0000000000400000-0x0000000000803000-memory.dmp

memory/1452-11-0x0000000000400000-0x0000000000803000-memory.dmp

memory/1452-12-0x0000000002520000-0x000000000253A000-memory.dmp

memory/1452-13-0x0000000004FC0000-0x0000000005564000-memory.dmp

memory/1452-14-0x0000000002980000-0x0000000002998000-memory.dmp

memory/1452-42-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-40-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-38-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-36-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-34-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-32-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-30-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-28-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-26-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-24-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-22-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-20-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-18-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-16-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-15-0x0000000002980000-0x0000000002992000-memory.dmp

memory/1452-43-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/1452-44-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1452-47-0x0000000000400000-0x0000000000803000-memory.dmp

memory/1452-48-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk597443.exe

MD5 f425ee4a48c070c5ca905260f1ac4d96
SHA1 75d127f195cdedff62137d586ee000f72c2b5f1e
SHA256 223c46824efbdf487ef317b719c78eb0b6a5cc25194bec4370ec5a322441fa91
SHA512 5d4a64f3c2b2f8969db17a59a25c39d995d11bd0416a25ae8ce245f9d636e44841f1e28c67ed5565565651368fabc55b7c7b25e0dfbfd4ddf35c81dfb12bdfe3

memory/748-53-0x0000000000400000-0x0000000000817000-memory.dmp

memory/748-55-0x0000000000400000-0x0000000000817000-memory.dmp

memory/748-56-0x0000000004E10000-0x0000000004E4A000-memory.dmp

memory/748-54-0x0000000002600000-0x000000000263C000-memory.dmp

memory/748-90-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-88-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-86-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-84-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-82-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-80-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-78-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-76-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-74-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-72-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-70-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-68-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-66-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-64-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-62-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-60-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-58-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-57-0x0000000004E10000-0x0000000004E45000-memory.dmp

memory/748-849-0x00000000079D0000-0x0000000007FE8000-memory.dmp

memory/748-850-0x0000000004F40000-0x0000000004F52000-memory.dmp

memory/748-851-0x0000000007FF0000-0x00000000080FA000-memory.dmp

memory/748-852-0x0000000008100000-0x000000000813C000-memory.dmp

memory/748-853-0x0000000002920000-0x000000000296C000-memory.dmp