Malware Analysis Report

2024-12-07 03:59

Sample ID 241113-rvyl2stdkb
Target 4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.exe
SHA256 4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294
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

4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294

Threat Level: Known bad

The file 4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline ruzhpe discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

RedLine payload

Healer family

Healer

RedLine

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:31

Reported

2024-11-13 14:33

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.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\4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.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\4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkEX66pG09Fz.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkEX66pG09Fz.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.exe

"C:\Users\Admin\AppData\Local\Temp\4f4734f2e85e0fd2e0896c97a379fe20c06dcd08e2db15b89b2ed82ebd0c8294N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkEX66pG09Fz.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkEX66pG09Fz.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 30.243.111.52.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

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw35BL83Lw48.exe

MD5 1d66902683bc3c462d751d2f92fc8db4
SHA1 99c2113bb5e4f2ea1e67c8cffd0559031168e30d
SHA256 4de7b107b7c204bbc427342e0429eb00fa979ee0953348c760dec84714821473
SHA512 3eda76452090da5803e821d75773bb17ba488a90bc80d6d785ca21a4b1d0cad96709c5bd8839191865b73fd59757e76a1fae360f91fab7e7feb0e9ae056547bb

memory/2284-7-0x00007FFFE6713000-0x00007FFFE6715000-memory.dmp

memory/2284-8-0x0000000000990000-0x000000000099A000-memory.dmp

memory/2284-9-0x00007FFFE6713000-0x00007FFFE6715000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkEX66pG09Fz.exe

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

memory/3908-15-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

memory/3908-16-0x0000000002CB0000-0x0000000002CFB000-memory.dmp

memory/3908-17-0x0000000000400000-0x000000000044E000-memory.dmp

memory/3908-18-0x0000000004930000-0x0000000004976000-memory.dmp

memory/3908-19-0x00000000073A0000-0x0000000007944000-memory.dmp

memory/3908-20-0x0000000004EA0000-0x0000000004EE4000-memory.dmp

memory/3908-28-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-32-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-30-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-26-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-82-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-62-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-44-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-24-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-22-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-21-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-34-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-84-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-80-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-78-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-76-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-74-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-72-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-70-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-68-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-66-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-64-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-60-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-58-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-56-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-54-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-52-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-50-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-48-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-46-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-42-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-40-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-38-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-36-0x0000000004EA0000-0x0000000004EDE000-memory.dmp

memory/3908-927-0x0000000007950000-0x0000000007F68000-memory.dmp

memory/3908-928-0x0000000007FF0000-0x00000000080FA000-memory.dmp

memory/3908-929-0x0000000008130000-0x0000000008142000-memory.dmp

memory/3908-930-0x0000000008150000-0x000000000818C000-memory.dmp

memory/3908-931-0x00000000082A0000-0x00000000082EC000-memory.dmp

memory/3908-932-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

memory/3908-933-0x0000000002CB0000-0x0000000002CFB000-memory.dmp

memory/3908-935-0x0000000000400000-0x000000000044E000-memory.dmp