Malware Analysis Report

2025-01-23 07:44

Sample ID 241107-g243asxckh
Target 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c
SHA256 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c
Tags
healer redline fukia 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

5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c

Threat Level: Known bad

The file 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 06:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 06:18

Reported

2024-11-07 06:21

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.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\IXP001.TMP\bfX82Zp.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\IXP001.TMP\bfX82Zp.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\IXP001.TMP\bfX82Zp.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\IXP001.TMP\bfX82Zp.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.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_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\nQb08CW.exe N/A
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\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.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\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1468 wrote to memory of 3664 N/A C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe
PID 1468 wrote to memory of 3664 N/A C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe
PID 1468 wrote to memory of 3664 N/A C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe
PID 3664 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe
PID 3664 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe
PID 3664 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe
PID 3664 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe
PID 3664 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe
PID 3664 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe

"C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1780 -ip 1780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 1076

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 50.23.12.20.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
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe

MD5 8ccb8ffe287428a019d57e36066ff7d0
SHA1 dbc527abd8a74065d828afbf270fe47abc3ab114
SHA256 589f5928b2b134378a43d65cc279c318a20809ec7ea271422b4d1b6c9c4286a7
SHA512 e34872d82d0c48c14248824c48de669d14c71c7df3ba5494810287a2c76cfd6bc308bcc70dfa82a8a60a1c17afc014d383d9fc898b33398bcecbd5ba0e878993

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exe

MD5 353c989b6b901edf860a132aa278144c
SHA1 b900aeb6427096ba11bc80552d71b8de14a3f921
SHA256 13f7ba7f9d4ef700b504fb077fc13b1d0fd008456d3fca56c5df3a4306db7a87
SHA512 2f3a3eb6508f5f3ab2308e76481155d6336a606011c1276e24d5fb8925a622ff0ea06ff7a7932753f844d578353c9a1cc9eb5d99378d65b09352d93f01deb6d1

memory/1780-15-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

memory/1780-16-0x00000000008B0000-0x00000000008DD000-memory.dmp

memory/1780-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1780-18-0x0000000000400000-0x0000000000758000-memory.dmp

memory/1780-19-0x00000000024D0000-0x00000000024EA000-memory.dmp

memory/1780-20-0x0000000004DD0000-0x0000000005374000-memory.dmp

memory/1780-21-0x00000000027F0000-0x0000000002808000-memory.dmp

memory/1780-49-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-47-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-45-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-44-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-41-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-40-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-37-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-36-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-33-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-31-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-29-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-27-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-25-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-23-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-22-0x00000000027F0000-0x0000000002802000-memory.dmp

memory/1780-50-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

memory/1780-51-0x00000000008B0000-0x00000000008DD000-memory.dmp

memory/1780-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1780-55-0x0000000000400000-0x0000000000758000-memory.dmp

memory/1780-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2628-60-0x0000000000850000-0x0000000000882000-memory.dmp

memory/2628-61-0x0000000005670000-0x0000000005C88000-memory.dmp

memory/2628-62-0x00000000051F0000-0x00000000052FA000-memory.dmp

memory/2628-63-0x0000000005120000-0x0000000005132000-memory.dmp

memory/2628-64-0x0000000005180000-0x00000000051BC000-memory.dmp

memory/2628-65-0x0000000005300000-0x000000000534C000-memory.dmp