Malware Analysis Report

2024-12-07 04:03

Sample ID 241113-xqzw7sxgnm
Target b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.exe
SHA256 b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0
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

b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0

Threat Level: Known bad

The file b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.exe was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

Detects Healer an antivirus disabler dropper

RedLine payload

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 19:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 19:04

Reported

2024-11-13 19:06

Platform

win10v2004-20241007-en

Max time kernel

116s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.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

Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1620933.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.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\b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.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\b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1620933.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.exe

"C:\Users\Admin\AppData\Local\Temp\b17aa36d0da2e84317c99c7c069e5c70f8527c820ce329f98b5bb9d2688f8db0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1620933.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1620933.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k1758702.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3616-7-0x00007FFA5E4A3000-0x00007FFA5E4A5000-memory.dmp

memory/3616-8-0x0000000000490000-0x000000000049A000-memory.dmp

memory/3616-9-0x00007FFA5E4A3000-0x00007FFA5E4A5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1620933.exe

MD5 8ada60b5c884abd5e5e5f388035618f6
SHA1 cd17d525156223f30f18bf537f238261875caa15
SHA256 da8b11f179063bdb9ba8a92015eac59170cfad1cce8e03c9b3ef432efe3a71ea
SHA512 9758f71a3fa06bc1b9b33a2a23f7b765d891414c32b104edb38d40f1ff4496ee6b139f848a777d2131bad1a8744ef0d3a937fecd3529b04e9a388413f6dca38e

memory/4856-14-0x00000000744CE000-0x00000000744CF000-memory.dmp

memory/4856-15-0x0000000000CB0000-0x0000000000CD8000-memory.dmp

memory/4856-16-0x0000000007FB0000-0x00000000085C8000-memory.dmp

memory/4856-17-0x0000000007A10000-0x0000000007A22000-memory.dmp

memory/4856-18-0x0000000007B40000-0x0000000007C4A000-memory.dmp

memory/4856-19-0x0000000007A70000-0x0000000007AAC000-memory.dmp

memory/4856-20-0x0000000005040000-0x000000000508C000-memory.dmp

memory/4856-21-0x00000000744CE000-0x00000000744CF000-memory.dmp