Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-bsn2tswgmc
Target b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a
SHA256 b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a
Tags
healer redline mihan 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

b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a

Threat Level: Known bad

The file b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a was found to be: Known bad.

Malicious Activity Summary

healer redline mihan discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Redline family

RedLine payload

Modifies Windows Defender Real-time Protection settings

RedLine

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:24

Reported

2024-11-10 01:27

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.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\a8849021.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\a8849021.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\a8849021.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.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\a8849021.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.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\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.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\v7451797.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\IXP001.TMP\b9911750.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4044 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe
PID 4044 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe
PID 4044 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe
PID 4368 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe
PID 4368 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe
PID 4368 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe
PID 4368 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe
PID 4368 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe
PID 4368 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe

"C:\Users\Admin\AppData\Local\Temp\b89c4f31f148f386744359d817adab3a53661404853e12c0a49745af8790e53a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
CY 217.196.96.101:4132 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
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7451797.exe

MD5 ea859e4faceefdf3c90e10c212867ec7
SHA1 935bff41bb1145cf235ebfd35cf07650f5d0636f
SHA256 7507f2a36610c03cfbf944669b95d4bbb025ab76bf208648c1ef1ec8a1078019
SHA512 3200e4a17f751918109b1739402f75dc6e77cf7de1e8b395f023dacd4190d0476e78bb65317341edea8fb0851ad7de62b64cbe8cec2fa405bd344f281f073edc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8849021.exe

MD5 052885d7057f8ee4e0c5295122cdfe62
SHA1 28dd065813fadd98d80b5e38dace6ecbeb7cb14d
SHA256 3543a9ecd8b4b5fe1bc80fcdd5ebc7849acf120907a20beded09bb5ec52057ea
SHA512 3221dcbd57c1f5ee30cea84fdc8320a48dc78c01b1328e93b2b6cbffa806bbcf340f1ca91797a15a25787aab406b981df9ee72c0e63d0242ab64311cf3dc2d53

memory/892-14-0x000000007478E000-0x000000007478F000-memory.dmp

memory/892-15-0x0000000002050000-0x000000000206A000-memory.dmp

memory/892-16-0x0000000074780000-0x0000000074F30000-memory.dmp

memory/892-18-0x0000000004970000-0x0000000004F14000-memory.dmp

memory/892-17-0x0000000074780000-0x0000000074F30000-memory.dmp

memory/892-19-0x0000000004F60000-0x0000000004F78000-memory.dmp

memory/892-47-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-45-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-43-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-41-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-39-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-37-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-35-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-33-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-31-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-29-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-27-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-25-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-23-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-21-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-20-0x0000000004F60000-0x0000000004F72000-memory.dmp

memory/892-48-0x000000007478E000-0x000000007478F000-memory.dmp

memory/892-49-0x0000000074780000-0x0000000074F30000-memory.dmp

memory/892-51-0x0000000074780000-0x0000000074F30000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9911750.exe

MD5 4f49d1f989b7903e0f86c4980ec84fa6
SHA1 763c343620a6f3e45c7e2aad1b7cde01a7172b53
SHA256 d36136cf8d08982280d1d6909be7afa57ac2d406fba7afd9bd45ee2a97ca6794
SHA512 c5fe1e92f430fc09b8865ee63393bae12f5ec620d9eb28c06b0ea3dd6b8eeaf8ecf3349229b4e6d6b03d9814ff27755bd3e3f3b8528a42e4846111950617b7f8

memory/2372-55-0x0000000000F60000-0x0000000000F90000-memory.dmp

memory/2372-56-0x0000000003030000-0x0000000003036000-memory.dmp

memory/2372-57-0x0000000005FB0000-0x00000000065C8000-memory.dmp

memory/2372-58-0x0000000005AF0000-0x0000000005BFA000-memory.dmp

memory/2372-59-0x0000000005A20000-0x0000000005A32000-memory.dmp

memory/2372-60-0x0000000005A80000-0x0000000005ABC000-memory.dmp

memory/2372-61-0x0000000005C00000-0x0000000005C4C000-memory.dmp