Malware Analysis Report

2025-01-23 07:44

Sample ID 241107-ndzagazrcy
Target 745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc
SHA256 745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc
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

745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc

Threat Level: Known bad

The file 745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 11:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 11:17

Reported

2024-11-07 11:20

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.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\ejC72GF.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.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\dAY61vG.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\dAY61vG.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\dAY61vG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.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\ejC72GF.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\ejC72GF.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\dAY61vG.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\dAY61vG.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\ejC72GF.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\dAY61vG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.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\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.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\nKH52PX68.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\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 64 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe
PID 64 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe
PID 64 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe
PID 2516 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe
PID 2516 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe
PID 2516 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe
PID 2516 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe
PID 2516 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe
PID 64 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe
PID 64 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe
PID 64 wrote to memory of 732 N/A C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe

Processes

C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe

"C:\Users\Admin\AppData\Local\Temp\745a9a3433a84a3e8d0231b92d89eddd1a3d78a6c47c07c0e437b5ee4b909cbc.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH52PX68.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1596 -ip 1596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 1100

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 22.236.111.52.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\nKH52PX68.exe

MD5 4e4959ddf6f967afbce982db343550b5
SHA1 8627233de0f25dffbef410de9e759db3bbee4f9c
SHA256 1110215ef810258778a3a830cc3fd4f3778a5079811149f9e418ba25034f4da4
SHA512 3ef9eb5a3ff1145d88703932f1157ca5ecd5aaedaaddd0d1202177015cad527857a51ffda392825c55ba81be7df9fd0bd072cb1a46dd3c22e18878811633f938

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAY61vG.exe

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

memory/4136-14-0x00007FFA0A613000-0x00007FFA0A615000-memory.dmp

memory/4136-15-0x0000000000360000-0x000000000036A000-memory.dmp

memory/4136-17-0x00007FFA0A613000-0x00007FFA0A615000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejC72GF.exe

MD5 e49fa5ba43614c20a6e9a653b500e5bd
SHA1 d6d76389cf00507f93509977259ba8c0a9fb599e
SHA256 02f7b7bdcf207c8150a02f146d1f6c999cb01bf9097ab0c9afff913b822f2b28
SHA512 7db255689df4aab22921ab01c7f7336adea135a06da23d9ad9de2a2db44b8b0547e9279c73dd4ac2cf48aedb8f24c0ac42f81449a4bbf8b15456f08bdd759349

memory/1596-22-0x0000000002330000-0x000000000234A000-memory.dmp

memory/1596-23-0x0000000004B70000-0x0000000005114000-memory.dmp

memory/1596-24-0x0000000004B20000-0x0000000004B38000-memory.dmp

memory/1596-25-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-32-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-50-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-48-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-46-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-44-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-42-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-40-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-38-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-36-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-34-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-30-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-52-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-28-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-26-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/1596-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/1596-55-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgD24Aq.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/732-59-0x0000000000740000-0x0000000000772000-memory.dmp

memory/732-60-0x00000000056C0000-0x0000000005CD8000-memory.dmp

memory/732-61-0x0000000005220000-0x000000000532A000-memory.dmp

memory/732-62-0x0000000005150000-0x0000000005162000-memory.dmp

memory/732-63-0x00000000051C0000-0x00000000051FC000-memory.dmp

memory/732-64-0x0000000005330000-0x000000000537C000-memory.dmp