Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-vbjwbswbpj
Target 4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872
SHA256 4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872
Tags
healer redline fukia 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

4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872

Threat Level: Known bad

The file 4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine payload

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine

Redline family

Healer

Healer family

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 16:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 16:48

Reported

2024-11-08 16:51

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.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\enA36oV.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\enA36oV.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\enA36oV.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.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\enA36oV.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\enA36oV.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.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\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.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\nSF62bU06.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\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3948 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe
PID 3948 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe
PID 3948 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe
PID 1684 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe
PID 1684 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe
PID 1684 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe
PID 1684 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe
PID 1684 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe
PID 3948 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe
PID 3948 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe
PID 3948 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe

"C:\Users\Admin\AppData\Local\Temp\4a5744ba8fe8779bc0e3b8994f065ae807d9558cda4f4d47e3906d01a200f872.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5072 -ip 5072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSF62bU06.exe

MD5 08198e8da310c7c890cd9d165f40c8de
SHA1 0342d1b408d19629814267b90c356dfdd9acc0de
SHA256 703b562cbc48d5f6d9ae14d4cde42369decbf4fafe13fa710d9b5fbcbdbd9fc5
SHA512 4a4c46170af85d56a48d3a529b50c87a57f8574996b80d024e7289399ab3e30b71948bcf9123323a36e93ddcdaa35209fcac9db8d66b6ef6ac110940a299f55e

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djk70aM.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/2512-14-0x00007FFD21BC3000-0x00007FFD21BC5000-memory.dmp

memory/2512-15-0x0000000000110000-0x000000000011A000-memory.dmp

memory/2512-16-0x00007FFD21BC3000-0x00007FFD21BC5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\enA36oV.exe

MD5 bbcaab6d431de6d63e20ec7a085b0526
SHA1 e5bb15ef7458b516b37602649498b3d13c4df67d
SHA256 e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee
SHA512 4f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8

memory/5072-22-0x00000000024E0000-0x00000000024FA000-memory.dmp

memory/5072-23-0x0000000004B20000-0x00000000050C4000-memory.dmp

memory/5072-24-0x0000000004AF0000-0x0000000004B08000-memory.dmp

memory/5072-52-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-50-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-48-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-46-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-44-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-42-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-40-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-38-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-37-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-35-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-32-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-31-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-28-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-26-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-25-0x0000000004AF0000-0x0000000004B02000-memory.dmp

memory/5072-53-0x0000000000400000-0x000000000056F000-memory.dmp

memory/5072-55-0x0000000000400000-0x000000000056F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKY98Yr.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2152-59-0x0000000000580000-0x00000000005B2000-memory.dmp

memory/2152-60-0x00000000054D0000-0x0000000005AE8000-memory.dmp

memory/2152-61-0x0000000005050000-0x000000000515A000-memory.dmp

memory/2152-62-0x0000000004F80000-0x0000000004F92000-memory.dmp

memory/2152-63-0x0000000004FE0000-0x000000000501C000-memory.dmp

memory/2152-64-0x0000000005160000-0x00000000051AC000-memory.dmp