Malware Analysis Report

2024-12-06 02:52

Sample ID 241110-a68gyswbnn
Target cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61
SHA256 cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61
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

cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61

Threat Level: Known bad

The file cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine payload

Modifies Windows Defender Real-time Protection settings

Healer family

Detects Healer an antivirus disabler dropper

Redline family

RedLine

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:50

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:50

Reported

2024-11-10 00:53

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.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\64412358.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\64412358.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\64412358.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\64412358.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\64412358.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\64412358.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.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\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.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\un984439.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\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe
PID 3976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe
PID 3976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe
PID 648 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe
PID 648 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe
PID 648 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe
PID 648 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe
PID 648 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe
PID 648 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe

"C:\Users\Admin\AppData\Local\Temp\cff5f633643d6139a8b936d01681b4bf2f850586a3c862dc000469f147294d61.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2136 -ip 2136

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 1064

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
RU 185.161.248.72:38452 tcp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 104.246.116.51.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un984439.exe

MD5 db5061f701cefe75190cfb776dca22ae
SHA1 9d0ff7cb9e6e3b595a7cbe673824265dd04cbf14
SHA256 a9f6a3c7ab8996caf374546adaf166d5709705d4b0b34c64feb2710ca79b7597
SHA512 4a8628e57d5592fd5a727503690d3ffff5fd4887666ac3baea1736db2a855a477443fd619f039daf22d56f8c4ee467bb5fa865fc17d6e9433415e95061cd0ebc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\64412358.exe

MD5 242a0539fede59bb39549007bd04edad
SHA1 2c5f609d42e722d4e50f22bade6bef8110d9a521
SHA256 5e4938ba3936ce04b84ace861266283a70354486b2390bb9c113993ff0a98326
SHA512 2006bd10294d5fd6062226adf8aaaae13b44b56c79becfe1aefac47dcce442b62dcdc3dfd061052b205166f8912c6b0130eeb728bb96cb4a4880bf5fb99f8842

memory/2136-15-0x0000000000730000-0x0000000000830000-memory.dmp

memory/2136-16-0x00000000020D0000-0x00000000020FD000-memory.dmp

memory/2136-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2136-18-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2136-19-0x00000000024A0000-0x00000000024BA000-memory.dmp

memory/2136-20-0x0000000004C70000-0x0000000005214000-memory.dmp

memory/2136-21-0x0000000002540000-0x0000000002558000-memory.dmp

memory/2136-23-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-49-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-47-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-45-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-43-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-41-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-39-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-37-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-35-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-33-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-31-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-29-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-27-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-25-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-22-0x0000000002540000-0x0000000002552000-memory.dmp

memory/2136-50-0x0000000000730000-0x0000000000830000-memory.dmp

memory/2136-51-0x00000000020D0000-0x00000000020FD000-memory.dmp

memory/2136-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2136-55-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2136-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk785509.exe

MD5 72511d84047f22f05a341f752ae6b08e
SHA1 cfc6810e02f8b5280c30444da1e69b1056d87b61
SHA256 ce34a2b18e2924ee5da20a340a1e049b2141e5bf0056bf78c02da8794f51e87d
SHA512 1693e34c17c62775b7e466ce5badf2222f16bdc885b981bc960d3d7efe107e73734bbba466dc46d64f0be94f755e8b4133b92f575a28cd3662fdb45429bc9fbc

memory/4540-61-0x00000000022B0000-0x00000000022EC000-memory.dmp

memory/4540-62-0x0000000002510000-0x000000000254A000-memory.dmp

memory/4540-68-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-76-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-96-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-95-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-93-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-90-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-89-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-86-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-84-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-83-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-80-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-79-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-74-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-72-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-70-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-66-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-64-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-63-0x0000000002510000-0x0000000002545000-memory.dmp

memory/4540-855-0x0000000007580000-0x0000000007B98000-memory.dmp

memory/4540-856-0x0000000007C00000-0x0000000007C12000-memory.dmp

memory/4540-857-0x0000000007C20000-0x0000000007D2A000-memory.dmp

memory/4540-858-0x0000000007D50000-0x0000000007D8C000-memory.dmp

memory/4540-859-0x0000000002410000-0x000000000245C000-memory.dmp