Malware Analysis Report

2024-12-06 02:58

Sample ID 241110-cf9nfazmhj
Target 4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0
SHA256 4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0
Tags
healer redline ruzhpe 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

4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0

Threat Level: Known bad

The file 4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0 was found to be: Known bad.

Malicious Activity Summary

healer redline ruzhpe discovery dropper evasion infostealer persistence trojan

Healer family

RedLine payload

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

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 02:02

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:02

Reported

2024-11-10 02:04

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.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\ursa85HK12.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\ursa85HK12.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\ursa85HK12.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\ursa85HK12.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\ursa85HK12.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\ursa85HK12.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\ursa85HK12.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.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\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.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\ycdN52qc85.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\ursa85HK12.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4764 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
PID 4764 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
PID 4764 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
PID 868 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
PID 868 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
PID 868 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
PID 868 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe
PID 868 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe
PID 868 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe

"C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1992 -ip 1992

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe

MD5 449d797e84d973f387ec315e77972faa
SHA1 0bc0d0847e324d6ca123e47e314501641a4d5c20
SHA256 0e63554fae4fa1726996ee5dc6b6da454a24650fd07e085ecec92ec8002f94c3
SHA512 447354cfca05b266b6cd049a36e3d2dc1dcfc91253b3b907d6b2cbed8ab7febbd6997611e7561457455d9851bcf5f6096c96c12580c0884cfd6f9f1018716979

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe

MD5 e51e74d094b076776b0169ed1a54d0a3
SHA1 0e6f8f2fc33bed2e1d0768ae674e0e4b182085b2
SHA256 6e25bad8749aa05160afd2dfe3a01906f424ca495518c70cebc2d3ef5930521b
SHA512 d04434571bf1c971c350fb13e54b4a6d6bc96b1443a45ba2a0124c5d903f0f17287fd8ea54c94e1d06ec302242275900819807559318f16fac28c6f6e6a3ff5f

memory/1992-15-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

memory/1992-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1992-17-0x0000000004970000-0x000000000498A000-memory.dmp

memory/1992-18-0x00000000074D0000-0x0000000007A74000-memory.dmp

memory/1992-19-0x0000000004E50000-0x0000000004E68000-memory.dmp

memory/1992-20-0x0000000000400000-0x0000000002BC5000-memory.dmp

memory/1992-48-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-46-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-44-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-42-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-40-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-38-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-36-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-34-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-32-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-31-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-28-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-27-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-24-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-22-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-21-0x0000000004E50000-0x0000000004E62000-memory.dmp

memory/1992-49-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

memory/1992-50-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1992-51-0x0000000000400000-0x0000000002BC5000-memory.dmp

memory/1992-53-0x0000000000400000-0x0000000002BC5000-memory.dmp

memory/1992-54-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe

MD5 67530ca401a21e9021983dd91b37c971
SHA1 059cc53f7d897b6e0b9072274cb964ab547489a9
SHA256 3b8cd7237a32fdb861ebd4c8243729f969a0355e4554832f73d8ab0ee3871b9a
SHA512 0b8f93e0d38b8bf6fab4adb7c1ecd05da3c354acd94e9f02c48ef8f822be328d6e2c558806e732a840178ec2d0c32daf718f372a6040403353565196ce231b78

memory/4476-59-0x0000000004E40000-0x0000000004E86000-memory.dmp

memory/4476-60-0x00000000078D0000-0x0000000007914000-memory.dmp

memory/4476-84-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-64-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-62-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-61-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-94-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-92-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-90-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-88-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-86-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-82-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-80-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-79-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-77-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-74-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-72-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-70-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-68-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-66-0x00000000078D0000-0x000000000790E000-memory.dmp

memory/4476-967-0x0000000007950000-0x0000000007F68000-memory.dmp

memory/4476-968-0x0000000007FF0000-0x00000000080FA000-memory.dmp

memory/4476-969-0x0000000008130000-0x0000000008142000-memory.dmp

memory/4476-970-0x0000000008150000-0x000000000818C000-memory.dmp

memory/4476-971-0x00000000082E0000-0x000000000832C000-memory.dmp