Malware Analysis Report

2024-10-16 03:55

Sample ID 240510-cky3hacg31
Target bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9
SHA256 bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9
Tags
healer redline mihan 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

bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9

Threat Level: Known bad

The file bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9 was found to be: Known bad.

Malicious Activity Summary

healer redline mihan dropper evasion infostealer persistence trojan

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Detects executables packed with ConfuserEx Mod

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 02:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 02:08

Reported

2024-05-10 02:11

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.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

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\IXP001.TMP\a1153919.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\a1153919.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\a1153919.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\a1153919.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\a1153919.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\a1153919.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

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

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

Detects executables packed with ConfuserEx Mod

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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\IXP001.TMP\a1153919.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.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\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.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\v5860177.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1256 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe
PID 1256 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe
PID 1256 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe
PID 2760 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe
PID 2760 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe
PID 2760 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe
PID 2760 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe
PID 2760 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe
PID 2760 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.exe

"C:\Users\Admin\AppData\Local\Temp\bac70768466a80a4253c63add9d0601c8d645565be4c9ab0536b250c8e01a0e9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
DE 217.196.96.101:4132 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 217.196.96.101:4132 tcp
DE 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5860177.exe

MD5 a8738037b8124a9ad50d2479fa535762
SHA1 3d7c656a7fe926fbf6c6a8d860b5524c0d1c1afb
SHA256 7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d
SHA512 1a8354d7e3941de59fdf8692c9473f1bd3b837c81e892909ce3641a5dc63fe52cc6854c11ebe26c57ec2c1eaf5add870ef3ef616b8b8d870a9676755c3668c23

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1153919.exe

MD5 18f778a9b52d88d92914b7b5493f9be7
SHA1 2bfc97bf44009f7af0d404b74eb2bcf51d915425
SHA256 cbbd65829229e1e28699574396b0d766de752790fa3be8fb55c0d13124850df2
SHA512 9e0cc89c8006a59b02ba7c0bfcaf79740ff3a67960c5c7880a25f6864ed13e8e17a99d060882ae3bc97c355ff29b6329c919ea01f96993455bf3f9608d17effc

memory/1848-14-0x0000000073BAE000-0x0000000073BAF000-memory.dmp

memory/1848-15-0x00000000023D0000-0x00000000023EA000-memory.dmp

memory/1848-16-0x0000000073BA0000-0x0000000074350000-memory.dmp

memory/1848-17-0x0000000004970000-0x0000000004F14000-memory.dmp

memory/1848-18-0x0000000004F60000-0x0000000004F78000-memory.dmp

memory/1848-30-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-46-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-47-0x0000000073BA0000-0x0000000074350000-memory.dmp

memory/1848-44-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-42-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-40-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-48-0x0000000073BA0000-0x0000000074350000-memory.dmp

memory/1848-38-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-36-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-34-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-32-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-28-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-26-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-24-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-22-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-20-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-19-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/1848-50-0x0000000073BA0000-0x0000000074350000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1289024.exe

MD5 2fb93dc92a5fb3b79c54f4ec7330b388
SHA1 dcf09fcbba526ad524dcd2790826bd8f98e3563b
SHA256 9002c0b0a90279bcc29b390ecd6a2144ef9ceb3aa751dfeedfb11db0b3e2ac24
SHA512 0a2b59507a458dc6e0f0cedef6c39c5bc71fb96beaa0edb11ffbf7bc1eb92d25a711d0e6f121301dd6b645714a89e3324be4f88a15ec113c4710cc7628d4b3e8

memory/1460-54-0x0000000000DE0000-0x0000000000E10000-memory.dmp

memory/1460-55-0x00000000016D0000-0x00000000016D6000-memory.dmp

memory/1460-56-0x0000000005EC0000-0x00000000064D8000-memory.dmp

memory/1460-57-0x00000000059B0000-0x0000000005ABA000-memory.dmp

memory/1460-58-0x00000000058A0000-0x00000000058B2000-memory.dmp

memory/1460-59-0x0000000005900000-0x000000000593C000-memory.dmp

memory/1460-60-0x0000000005950000-0x000000000599C000-memory.dmp