Malware Analysis Report

2025-01-23 07:44

Sample ID 241107-gp4k1awlcv
Target 877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5
SHA256 877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5
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

877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5

Threat Level: Known bad

The file 877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine

Detects Healer an antivirus disabler dropper

RedLine payload

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

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

2024-11-07 05:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 05:59

Reported

2024-11-07 06:02

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.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\eXJ63DG.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\eXJ63DG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.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\dvN98cm.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\dvN98cm.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\dvN98cm.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.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\dvN98cm.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\eXJ63DG.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\eXJ63DG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.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\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.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\nem22Ez06.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\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3152 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe
PID 3152 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe
PID 3152 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe
PID 920 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe
PID 920 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe
PID 920 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe
PID 920 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe
PID 920 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe
PID 3152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe
PID 3152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe
PID 3152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe

"C:\Users\Admin\AppData\Local\Temp\877d384de19f9dff6265a0105605f2b79187d3ecaf3259ce825a9b512b2f6db5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nem22Ez06.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4072 -ip 4072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 71.208.201.84.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\nem22Ez06.exe

MD5 f73a3c7b4f835e193d6b9d7fe7151114
SHA1 88f694e927bee204447dff8de1795e6cc0cbb633
SHA256 916045f4580a1327fc71ef262c919fe6152b0ce4bd7f294f911176689dd5fa6c
SHA512 ae8d572118358ddbc82eb6464ce4f4132521fee56714b2ea9def5b3849f46430bb6f224ad5be66394aefdeffa811eee89c2b500cb1e89513dc3da8cfd728f235

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvN98cm.exe

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

memory/5096-14-0x00007FF814403000-0x00007FF814405000-memory.dmp

memory/5096-15-0x0000000000DF0000-0x0000000000DFA000-memory.dmp

memory/5096-16-0x00007FF814403000-0x00007FF814405000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXJ63DG.exe

MD5 ebd4e4bbe5bd01111ee4b46214e0108b
SHA1 40b6619b04c0763f9981ceb16d6225359126c7d5
SHA256 75cf3a9c076d48b811a879e382aa3215c8c04975eed59c1beab8f5879deaf61b
SHA512 23c16ca232badd59ddf3eb6335001e6ba86dd93d397dc1b725e21a3f275d8653096d74dc3cfd8e780a772dde0697c8e9072f345d018256e10ed9cb31092ac46c

memory/4072-22-0x0000000002100000-0x000000000211A000-memory.dmp

memory/4072-23-0x0000000004F70000-0x0000000005514000-memory.dmp

memory/4072-24-0x0000000002490000-0x00000000024A8000-memory.dmp

memory/4072-30-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-32-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-52-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-50-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-46-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-44-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-42-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-40-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-38-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-36-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-34-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-28-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-26-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-49-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-25-0x0000000002490000-0x00000000024A2000-memory.dmp

memory/4072-53-0x0000000000400000-0x000000000056E000-memory.dmp

memory/4072-55-0x0000000000400000-0x000000000056E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFl03UQ.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2228-59-0x0000000000310000-0x0000000000342000-memory.dmp

memory/2228-60-0x0000000005190000-0x00000000057A8000-memory.dmp

memory/2228-61-0x0000000004CB0000-0x0000000004DBA000-memory.dmp

memory/2228-62-0x0000000004BF0000-0x0000000004C02000-memory.dmp

memory/2228-63-0x0000000004C50000-0x0000000004C8C000-memory.dmp

memory/2228-64-0x0000000004DC0000-0x0000000004E0C000-memory.dmp