Malware Analysis Report

2025-08-06 01:52

Sample ID 241111-hkstdavdrr
Target 6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1
SHA256 6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1
Tags
healer redline rosn 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

6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1

Threat Level: Known bad

The file 6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Healer family

Healer

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 06:48

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 06:48

Reported

2024-11-11 06:50

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.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\IXP002.TMP\pr159610.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\IXP002.TMP\pr159610.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\IXP002.TMP\pr159610.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.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\IXP002.TMP\pr159610.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

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\IXP002.TMP\pr159610.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.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\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.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\un060011.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.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\IXP001.TMP\un930381.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1216 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe
PID 1216 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe
PID 1216 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe
PID 2028 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe
PID 2028 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe
PID 2028 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe
PID 3028 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe
PID 3028 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe
PID 3028 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe
PID 3028 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe
PID 3028 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe
PID 3028 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe

"C:\Users\Admin\AppData\Local\Temp\6b1d61302097fd392dd7d184c63f960a424435656c48855cdfd4f9f1637370c1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1612 -ip 1612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 1064

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 176.113.115.145:4125 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 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060011.exe

MD5 ca08b1778ca80ae766a64d25c5eb2570
SHA1 f10eab9bc1f380272b46ffe2e452a5d7c39fb8ad
SHA256 d50a47793fd00d51f8cced65c1175ce35be23cf9c97abe63d70d90680730209a
SHA512 9f39208acc1f03d5fb98ce0804d1e7cca17b98f40df4d7894fa5260ec8f161ea4a62828c769ddd38a2ca0e155622c8274fbfb5ebcce864d2540b628a1e7e69b1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un930381.exe

MD5 eed9003fe9ec552daf100bfb507d4c70
SHA1 c079d090da93ef0c7b316448e022b652557606d8
SHA256 ea634cbea1de3f0e9ec9de16a2dc1b568dec7856d0412e32326879c6948cdf8d
SHA512 838a8901bbeb385d5ecc18630504f8ab1eb2b1f6707ee2e4e56bdf8067efc582611c7cc4eee3cd37dc44e3c5c4c0039fa74bfc0ac7d673c0f7ed9d77f12a1a45

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr159610.exe

MD5 d2f329aaf70c3fabe91ea43e49e76fac
SHA1 ad977f1e96bbb6a24413a09260779dbc677726cf
SHA256 2aaa4291031fcfa2e9e22aca1e4ebfcee266071a3a77179fbf25d57168e1940a
SHA512 20c4e0d28c01eea4fc94835f55b14c3665501574f7183a26501680477ed45875a0805eb292db54e5c31252f84c4e83f56683d522ae30689b46a5fb66d0a874e9

memory/1612-23-0x00000000020C0000-0x00000000020ED000-memory.dmp

memory/1612-22-0x0000000000580000-0x0000000000680000-memory.dmp

memory/1612-24-0x00000000025A0000-0x00000000025BA000-memory.dmp

memory/1612-25-0x0000000004D00000-0x00000000052A4000-memory.dmp

memory/1612-26-0x0000000004B90000-0x0000000004BA8000-memory.dmp

memory/1612-28-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-30-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-54-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-52-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-50-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-48-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-46-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-44-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-42-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-40-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-38-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-36-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-34-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-32-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-27-0x0000000004B90000-0x0000000004BA2000-memory.dmp

memory/1612-55-0x0000000000580000-0x0000000000680000-memory.dmp

memory/1612-56-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/1612-58-0x0000000000400000-0x00000000004AA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu665612.exe

MD5 73eb807b11d623b3a098166d4a04198a
SHA1 6f1241480bad72feb4a42074bd511663ef97b884
SHA256 16c55b36981c0e0a9a1575abc3bea8574ac8cef3ae3083bac0ab3e5928d43a69
SHA512 236415409adb111c5270c8da5cc276fec351de76126b2c78575be9edd67faa8de53027aab4e957098d21a72578eca6131dae9b67c1359a9404bbc3d9b2022c2b

memory/4416-63-0x00000000024A0000-0x00000000024E6000-memory.dmp

memory/4416-64-0x0000000002640000-0x0000000002684000-memory.dmp

memory/4416-84-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-98-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-96-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-94-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-92-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-90-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-88-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-86-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-82-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-80-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-79-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-76-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-74-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-72-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-70-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-68-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-66-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-65-0x0000000002640000-0x000000000267F000-memory.dmp

memory/4416-971-0x0000000005350000-0x0000000005968000-memory.dmp

memory/4416-972-0x0000000005970000-0x0000000005A7A000-memory.dmp

memory/4416-973-0x0000000004BE0000-0x0000000004BF2000-memory.dmp

memory/4416-974-0x0000000004C00000-0x0000000004C3C000-memory.dmp

memory/4416-975-0x0000000005B80000-0x0000000005BCC000-memory.dmp