Malware Analysis Report

2024-11-15 09:57

Sample ID 241110-b5n8cszkgr
Target 6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N
SHA256 6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619
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

6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619

Threat Level: Known bad

The file 6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Healer family

Detects Healer an antivirus disabler dropper

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:43

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:43

Reported

2024-11-10 01:45

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.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\33226964.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\33226964.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\33226964.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\33226964.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\33226964.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.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\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.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\un989412.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\33226964.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2592 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe
PID 2592 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe
PID 2592 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe
PID 2012 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe
PID 2012 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe
PID 2012 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe
PID 2012 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe
PID 2012 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe
PID 2012 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe

"C:\Users\Admin\AppData\Local\Temp\6ebf9d9e3649871c4ae2541134bf1d61c40be5108fb64b595ca735a0e5a54619N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4056 -ip 4056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 48.229.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un989412.exe

MD5 97b96a866640b16db4b65993ebe09f62
SHA1 93048dbaffea3e94fa8a1b0bc3708ed246cfa2a4
SHA256 ba199dfc045d227a2fa1359c526cd2ec4b249369f073b980e84e3e78b0045a1e
SHA512 e637f9a76f875e037544ba9c683afa1e7011aeb0b15713372d2014db01cc0784c63e1dce47889415739133d7e5e6f4b27babdccb57df0cf24ab25d86ed096ff1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\33226964.exe

MD5 434612c69358d162011f6b8cd9984f09
SHA1 53871bec34652ad3c6fb3210efe8856c8cb9c3a7
SHA256 2d42eec532a668dd444169fda32fded6e19f5b897e62a20c412a010e0bdfbda5
SHA512 1b97160334fa87e12dec284b2cc32516192972bcedeaeeb9028634a4e01e2a77b5afe6e8163a95c6232346dacdded1ec2ac5194ee0c08fe5cb1b3083bf45b7a1

memory/4056-15-0x0000000000AF0000-0x0000000000BF0000-memory.dmp

memory/4056-16-0x00000000008E0000-0x000000000090D000-memory.dmp

memory/4056-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4056-18-0x0000000000400000-0x0000000000803000-memory.dmp

memory/4056-19-0x0000000000AD0000-0x0000000000AEA000-memory.dmp

memory/4056-20-0x0000000005000000-0x00000000055A4000-memory.dmp

memory/4056-21-0x0000000002690000-0x00000000026A8000-memory.dmp

memory/4056-45-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-47-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-43-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-41-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-39-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-37-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-35-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-33-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-31-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-49-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-29-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-27-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-25-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-23-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-22-0x0000000002690000-0x00000000026A2000-memory.dmp

memory/4056-50-0x0000000000AF0000-0x0000000000BF0000-memory.dmp

memory/4056-51-0x00000000008E0000-0x000000000090D000-memory.dmp

memory/4056-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4056-56-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4056-55-0x0000000000400000-0x0000000000803000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk999253.exe

MD5 b30253e88d952c252eccbf9fc3de02bf
SHA1 7cd35d00df5cdb33117975cce0accee10d766f9b
SHA256 6baf71e7b56a23fccb1b4138c473f53b46df39c6d07996f5df3cec4a092feeba
SHA512 1e31816dce7bdc105f7a73c6634359583d94c8152d784495823071ccfb66a646471458028a57afe0a6e28e66444a2e348c7904ed743f34667d9d798c7423648b

memory/1764-61-0x00000000025D0000-0x000000000260C000-memory.dmp

memory/1764-62-0x00000000053F0000-0x000000000542A000-memory.dmp

memory/1764-68-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-76-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-96-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-94-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-92-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-90-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-88-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-84-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-82-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-81-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-74-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-72-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-70-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-86-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-78-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-66-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-64-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-63-0x00000000053F0000-0x0000000005425000-memory.dmp

memory/1764-855-0x00000000078F0000-0x0000000007F08000-memory.dmp

memory/1764-856-0x0000000007FA0000-0x0000000007FB2000-memory.dmp

memory/1764-857-0x0000000007FC0000-0x00000000080CA000-memory.dmp

memory/1764-858-0x00000000080E0000-0x000000000811C000-memory.dmp

memory/1764-859-0x0000000002630000-0x000000000267C000-memory.dmp