Malware Analysis Report

2025-01-23 07:42

Sample ID 241108-d2zk2axjhn
Target 73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148
SHA256 73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148
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

73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148

Threat Level: Known bad

The file 73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Healer family

RedLine

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 03:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 03:30

Reported

2024-11-08 03:33

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.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\IXP001.TMP\dBX07Sg.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\dBX07Sg.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.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\etp20GI.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\etp20GI.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.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\dBX07Sg.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\dBX07Sg.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\etp20GI.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\etp20GI.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\etp20GI.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\dBX07Sg.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\etp20GI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.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\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.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\ngE80Ni87.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\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4464 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe
PID 4464 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe
PID 4464 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe
PID 4064 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe
PID 4064 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe
PID 4064 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe
PID 4064 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe
PID 4064 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe
PID 4464 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe
PID 4464 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe
PID 4464 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe

Processes

C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe

"C:\Users\Admin\AppData\Local\Temp\73ffd9c3176f4715c79e4569573077b3bb473054adbe679068d87cfbf452f148.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngE80Ni87.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3952 -ip 3952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.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 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 14.227.111.52.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\ngE80Ni87.exe

MD5 4c7ed09378baad54058335f5a042cd71
SHA1 26760e4f456dc1b8adeae6445b2f2651f750abb0
SHA256 dacbe082550a999b9b606d0bc62be51113d58fa0f69ced8b74ceacfd8c058f60
SHA512 47f402a5b4c882f70d31abeff1d9e99568b63a3dd94e46a62111771d505ac51c11aef4b5c39a8033ba0ac2889f0f64f32f4d3eb679a61d2c348155d64f319eb9

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dBX07Sg.exe

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

memory/5072-14-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

memory/5072-15-0x0000000000880000-0x000000000088A000-memory.dmp

memory/5072-16-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etp20GI.exe

MD5 f2bcb17a128cbfa928ca290d240f9601
SHA1 487e8bd83d6aa5a8633562ff09254ae922f158f6
SHA256 986bc0236c044a0f4a4e94f3232e1d7d34ce488c289639e059456fb80184b2e6
SHA512 4ee4abb1b4c7d4c23e9e40d9ab857b72fbf36f5688bcbb5a4b674620843a0f3f5fed178405f2ac587f9e2a56c91cb1b0d584ff876c5e5639f91fb42b76b1e923

memory/3952-22-0x0000000002530000-0x000000000254A000-memory.dmp

memory/3952-23-0x0000000004B50000-0x00000000050F4000-memory.dmp

memory/3952-24-0x00000000026C0000-0x00000000026D8000-memory.dmp

memory/3952-25-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-52-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-50-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-48-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-46-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-44-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-42-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-40-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-26-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-38-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-36-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-30-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-28-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-34-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/3952-53-0x0000000000400000-0x000000000056E000-memory.dmp

memory/3952-55-0x0000000000400000-0x000000000056E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwc28SY.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/3276-59-0x0000000000E60000-0x0000000000E92000-memory.dmp

memory/3276-60-0x0000000005C80000-0x0000000006298000-memory.dmp

memory/3276-61-0x0000000005800000-0x000000000590A000-memory.dmp

memory/3276-62-0x0000000005730000-0x0000000005742000-memory.dmp

memory/3276-63-0x0000000005790000-0x00000000057CC000-memory.dmp

memory/3276-64-0x0000000005910000-0x000000000595C000-memory.dmp