Malware Analysis Report

2024-10-16 03:40

Sample ID 240913-xbn66asaqq
Target 65da1e5d9541987249a0425060f176c0N
SHA256 724547007f3886a58e63abd1921c2b5341dc864ee64042632b828378d926e3e5
Tags
healer redline jokes 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

724547007f3886a58e63abd1921c2b5341dc864ee64042632b828378d926e3e5

Threat Level: Known bad

The file 65da1e5d9541987249a0425060f176c0N was found to be: Known bad.

Malicious Activity Summary

healer redline jokes discovery dropper evasion infostealer persistence trojan

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 18:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-13 18:40

Reported

2024-09-13 18:43

Platform

win10v2004-20240802-en

Max time kernel

106s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.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\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
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

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

Adds Run key to start application

persistence
Description Indicator Process Target
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\x6330473.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\65da1e5d9541987249a0425060f176c0N.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\x5235876.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2552 set thread context of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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\65da1e5d9541987249a0425060f176c0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe N/A

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 3064 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe
PID 3064 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe
PID 3064 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe
PID 3428 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe
PID 3428 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe
PID 3428 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe
PID 4996 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe
PID 4996 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe
PID 4996 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4996 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe
PID 4996 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe
PID 4996 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe

Processes

C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.exe

"C:\Users\Admin\AppData\Local\Temp\65da1e5d9541987249a0425060f176c0N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.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 460 -p 2552 -ip 2552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 580

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
FI 77.91.124.82:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5235876.exe

MD5 3031013b0db9711ec901b3053ceec487
SHA1 3267803063fb215542a0a13faec5f4f90a037a47
SHA256 c19b3ddae590b3e461baab4863b4f6c84a43414eaf25e46606ad55eeb3721a17
SHA512 a1ce84d00f130ab7e8480e2bb4d9a81cc013f6f531720143d203af7e4a6daa2de0244de5f77e55f77e7cbb2a3be122b192483d8f275c1156d68de7ff98d12f7b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6330473.exe

MD5 5dd8d42266737d3ab6dfb37664d78deb
SHA1 99513ec05b50fb10c0dbedfdbee9e6a9b595bab3
SHA256 30a1a0bd8bb10918c5ee102b810343fdcee803f16eff99ea807b50961569eeaa
SHA512 82f4fe2e2cd2a080626f6921d00c47e40927648ce469df0c57a704a39bdc53f0a5533dc351df25cd661ef03c5be3476126296b663ce86f56101fc9143d999e14

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0475403.exe

MD5 9456c6ed15325a6c0a02d573614145e7
SHA1 74003f751a77dcaf171da5181f0f56aca9987eb1
SHA256 125d19dc7457e5d4d4359a4234d95bab0724b8495e1c34bf0ab84a286e61c782
SHA512 5da929c6c848f14d74845a4d093e6cb6c93fc703474563da059582d61f826ce3e4ccef8e6766f4a52c620dde39ac725f8c413dd5e9fba341395a10547bb78d32

memory/3028-21-0x0000000000400000-0x000000000040A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6263420.exe

MD5 22d733df7fd7fe0a68865373b03ebe4a
SHA1 2aaea145b4ba20054fe2312277744f4c0f0a647e
SHA256 3de234892824ded6a40a7e432c2e311a1920250281ec8a190d78f6ea2757bf61
SHA512 dc5612d94c12f88f21612373d6b9c2041f92e11ba45ba2b4842c002bdd6ba8a43945319f6d51e9b5e864e53b8fe346fa45a101afbdbe418b806b86d8fe836378

memory/3744-25-0x0000000000AC0000-0x0000000000AF0000-memory.dmp

memory/3744-26-0x0000000002B20000-0x0000000002B26000-memory.dmp

memory/3744-27-0x000000000AE10000-0x000000000B428000-memory.dmp

memory/3744-28-0x000000000A930000-0x000000000AA3A000-memory.dmp

memory/3744-29-0x000000000A870000-0x000000000A882000-memory.dmp

memory/3744-30-0x000000000A8D0000-0x000000000A90C000-memory.dmp

memory/3744-31-0x0000000002B80000-0x0000000002BCC000-memory.dmp