Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-bthlfayrdr
Target 3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2
SHA256 3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2
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

3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2

Threat Level: Known bad

The file 3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine payload

Redline family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:26

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:26

Reported

2024-11-10 01:28

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.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\27595826.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\27595826.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.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\IXP001.TMP\27595826.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\27595826.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\IXP001.TMP\27595826.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.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\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.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\un030888.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\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5056 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe
PID 5056 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe
PID 5056 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe
PID 2964 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe
PID 2964 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe
PID 2964 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe
PID 2964 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe
PID 2964 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe
PID 2964 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe

"C:\Users\Admin\AppData\Local\Temp\3b2a70ab057a89e4fa4c8980396e0937e8f3cc4410bf3502525d1191621e5fd2.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4120 -ip 4120

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.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 53.210.109.20.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
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un030888.exe

MD5 0f4dd48acadf2f2391bd745f8c8dfb14
SHA1 d9e89bfe68b28e16761e8d58d95f2a4b4ae78099
SHA256 4d1411d5010058c11e8e8946bad50f09c1b6049c5435da37c93dbec9d31e92a1
SHA512 21ea49ca69245df1efb51c9dc4469f055c63cc564278813e3bfb64ba7414d0c764b170ed50f47df4959e3ae5cf5989d208cdc680a581518376103ef689badcbf

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\27595826.exe

MD5 3110d4c6bf11dcbeef7a36a88f1cfd3e
SHA1 f7251d622325fdc111935b70e8cf1cfd8d205e2d
SHA256 e8cbe6567a82a01eb655b67de13c097370d80b914787534cb29aa0cadf7b7e36
SHA512 684ed7d3fb7b9c5d9dca3046b53ff30cc0e7b564448701d12999189741d8c6d1e096343348b01e36f4d6b28203104b625ea2bae65297c40e7102d335166105bd

memory/4120-15-0x00000000007C0000-0x00000000008C0000-memory.dmp

memory/4120-16-0x00000000006D0000-0x00000000006FD000-memory.dmp

memory/4120-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4120-18-0x0000000000400000-0x0000000000455000-memory.dmp

memory/4120-19-0x0000000002240000-0x000000000225A000-memory.dmp

memory/4120-20-0x0000000004A70000-0x0000000005014000-memory.dmp

memory/4120-21-0x00000000024C0000-0x00000000024D8000-memory.dmp

memory/4120-31-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-49-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-47-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-45-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-43-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-41-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-39-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-37-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-35-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-33-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-29-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-25-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-22-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-27-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-23-0x00000000024C0000-0x00000000024D3000-memory.dmp

memory/4120-50-0x00000000007C0000-0x00000000008C0000-memory.dmp

memory/4120-51-0x00000000006D0000-0x00000000006FD000-memory.dmp

memory/4120-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4120-55-0x0000000000400000-0x0000000000455000-memory.dmp

memory/4120-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk120279.exe

MD5 c315e62f0d56a768317b910cbbdc2c37
SHA1 2c065e7e546ec7ab9d694c3b823e66282a45ef02
SHA256 d18c53ded34a0926facf855b03260a1e1abe3efe3df9abef7d20f295ed7f1a0e
SHA512 a2b1096c6e005bd171ddfa0c0366455ac9a7f8ca9044b28de317712048bfd8f13919832a4a8083fb90b07904ca9f1528ddaf67e0cb77915b040fadc7bde00eda

memory/2028-61-0x0000000002570000-0x00000000025AC000-memory.dmp

memory/2028-62-0x0000000005010000-0x000000000504A000-memory.dmp

memory/2028-72-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-74-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-96-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-94-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-92-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-90-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-88-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-86-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-84-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-80-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-78-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-77-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-70-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-68-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-82-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-66-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-64-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-63-0x0000000005010000-0x0000000005045000-memory.dmp

memory/2028-855-0x0000000007530000-0x0000000007B48000-memory.dmp

memory/2028-856-0x0000000007BF0000-0x0000000007C02000-memory.dmp

memory/2028-857-0x0000000007C10000-0x0000000007D1A000-memory.dmp

memory/2028-858-0x0000000007D30000-0x0000000007D6C000-memory.dmp

memory/2028-859-0x0000000002260000-0x00000000022AC000-memory.dmp