Malware Analysis Report

2025-03-15 01:45

Sample ID 230910-szhl3aab42
Target 263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c
SHA256 263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c
Tags
healer redline virad 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

263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c

Threat Level: Known bad

The file 263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c was found to be: Known bad.

Malicious Activity Summary

healer redline virad dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 15:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 15:33

Reported

2023-09-10 15:36

Platform

win10v2004-20230831-en

Max time kernel

141s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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\DisableScanOnRealtimeEnable = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

RedLine

infostealer redline

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\x4605025.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\x8396071.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\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1208 set thread context of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3836 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
PID 3836 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
PID 3836 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
PID 5112 wrote to memory of 468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
PID 5112 wrote to memory of 468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
PID 5112 wrote to memory of 468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
PID 468 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
PID 468 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
PID 468 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1208 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 468 wrote to memory of 4992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe
PID 468 wrote to memory of 4992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe
PID 468 wrote to memory of 4992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe

Processes

C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe

"C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1208 -ip 1208

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 140

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 126.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe

MD5 97941b1ba748ba3286d4986a25e494ed
SHA1 860100900aa7d28897b625554f957161feba81c9
SHA256 b77fcf003e7f807f32be161549d5698d04df0e67e9c17f4913b5095ab2695aa8
SHA512 65ac3a11d47ae577d0e87ba4f2c072e9f22a596614d98afcbe5cb2d2dd0e914359ab7fdbd9bdf8261d2c9d7d060e494622140d179773ac1bbe1dd9a85094c5d0

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe

MD5 97941b1ba748ba3286d4986a25e494ed
SHA1 860100900aa7d28897b625554f957161feba81c9
SHA256 b77fcf003e7f807f32be161549d5698d04df0e67e9c17f4913b5095ab2695aa8
SHA512 65ac3a11d47ae577d0e87ba4f2c072e9f22a596614d98afcbe5cb2d2dd0e914359ab7fdbd9bdf8261d2c9d7d060e494622140d179773ac1bbe1dd9a85094c5d0

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe

MD5 6675caa71e3c386fe5a4f96a0a07d7a3
SHA1 1f1da31274bb7ad459dfaabdbd810b46fc5631de
SHA256 b54ddbbcd21016b40ae8df32156a7b8e9734888a3ee432db67b7deb6b527a40a
SHA512 225e7fdd18147274a83afc21f981b4bbe43b1211526057c6bf34263d847b21f74ec12f02b692fa990bba4164db8a463d8e53614afbcfa749c0b6c264ecc4c473

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe

MD5 6675caa71e3c386fe5a4f96a0a07d7a3
SHA1 1f1da31274bb7ad459dfaabdbd810b46fc5631de
SHA256 b54ddbbcd21016b40ae8df32156a7b8e9734888a3ee432db67b7deb6b527a40a
SHA512 225e7fdd18147274a83afc21f981b4bbe43b1211526057c6bf34263d847b21f74ec12f02b692fa990bba4164db8a463d8e53614afbcfa749c0b6c264ecc4c473

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe

MD5 f7eeb1a801d2c9102c4e0f1ad3eb647e
SHA1 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db
SHA256 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830
SHA512 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe

MD5 f7eeb1a801d2c9102c4e0f1ad3eb647e
SHA1 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db
SHA256 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830
SHA512 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4

memory/2064-21-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2064-22-0x0000000074240000-0x00000000749F0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe

MD5 84b6c22fef31cc1e8d26d7f324417d24
SHA1 7d0824fec64bf898fd660e4f1f4d8840ce76bca3
SHA256 71b9539b902180114ac8655bc22cd2957bd8fa61bed6c909626b5b03373de2ec
SHA512 8a9a31f62e760e2ebf33b3c258d83393cfb18a410bc706e4c8b9974943b601079628ad22e26b3904182e3e7422f5b4fcdd8a70530408a750083f31b8fa8f2032

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe

MD5 84b6c22fef31cc1e8d26d7f324417d24
SHA1 7d0824fec64bf898fd660e4f1f4d8840ce76bca3
SHA256 71b9539b902180114ac8655bc22cd2957bd8fa61bed6c909626b5b03373de2ec
SHA512 8a9a31f62e760e2ebf33b3c258d83393cfb18a410bc706e4c8b9974943b601079628ad22e26b3904182e3e7422f5b4fcdd8a70530408a750083f31b8fa8f2032

memory/4992-26-0x00000000001D0000-0x0000000000200000-memory.dmp

memory/4992-27-0x0000000074240000-0x00000000749F0000-memory.dmp

memory/4992-28-0x0000000005180000-0x0000000005798000-memory.dmp

memory/4992-29-0x0000000004C70000-0x0000000004D7A000-memory.dmp

memory/4992-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4992-31-0x0000000004B50000-0x0000000004B60000-memory.dmp

memory/4992-32-0x0000000004BC0000-0x0000000004BFC000-memory.dmp

memory/2064-33-0x0000000074240000-0x00000000749F0000-memory.dmp

memory/2064-35-0x0000000074240000-0x00000000749F0000-memory.dmp

memory/4992-36-0x0000000074240000-0x00000000749F0000-memory.dmp

memory/4992-37-0x0000000004B50000-0x0000000004B60000-memory.dmp