Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-ntpe7s1hrn
Target 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc
SHA256 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc
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

3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc

Threat Level: Known bad

The file 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Redline family

RedLine payload

Healer

Healer family

RedLine

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 11:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 11:41

Reported

2024-11-07 11:44

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.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\evf41hu.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\evf41hu.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\evf41hu.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.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\dsV00Jv.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\dsV00Jv.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\dsV00Jv.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\dsV00Jv.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\evf41hu.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\evf41hu.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\dsV00Jv.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.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\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.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\nkT95wm87.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\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3048 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe
PID 3048 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe
PID 3048 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe
PID 8 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe
PID 8 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe
PID 8 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe
PID 8 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe
PID 8 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe
PID 3048 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe
PID 3048 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe
PID 3048 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe

"C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
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\nkT95wm87.exe

MD5 8f3ba88e26ce640ac201e0478aa4f842
SHA1 76e2c645a3e4f618b3c369ed6869c1f774c1ec22
SHA256 f04f7dc4e9f738994b05e4f0635a579f9b551993b56c459c8d6381da5c1de063
SHA512 fd3bfac5beea7b08009ea26abd45110611875bc73f215add40b4f49841fcceb130b5653d05573f99c332788c01d53595af89d6d9b716fe6695dcc1465d030169

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe

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

memory/3468-14-0x00007FFDBE1B3000-0x00007FFDBE1B5000-memory.dmp

memory/3468-15-0x0000000000740000-0x000000000074A000-memory.dmp

memory/3468-16-0x00007FFDBE1B3000-0x00007FFDBE1B5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exe

MD5 566f734554b2800514afb7cfd9d0e541
SHA1 e580309b4ce2d38f9ece2a14bb675e8ceb62de73
SHA256 dba4c1abdeaa378d90094d0a223d8a670786e7b402654646375e0cdf64103567
SHA512 cb2eef0a8ef41ee026672395e1d74fe26ed3da3b89cd2b6a5684caa2501ec1f8a1e7c51359bdb80140d84e2e8259fe5980785703c99fa215aa01c23081855cc2

memory/1596-22-0x0000000002730000-0x000000000274A000-memory.dmp

memory/1596-23-0x0000000004DD0000-0x0000000005374000-memory.dmp

memory/1596-24-0x0000000004C40000-0x0000000004C58000-memory.dmp

memory/1596-25-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-52-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-50-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-48-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-46-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-44-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-34-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/1596-53-0x0000000000400000-0x0000000000570000-memory.dmp

memory/1596-55-0x0000000000400000-0x0000000000570000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2428-59-0x0000000000010000-0x0000000000042000-memory.dmp

memory/2428-60-0x0000000004E30000-0x0000000005448000-memory.dmp

memory/2428-61-0x00000000049B0000-0x0000000004ABA000-memory.dmp

memory/2428-62-0x0000000004900000-0x0000000004912000-memory.dmp

memory/2428-63-0x0000000004960000-0x000000000499C000-memory.dmp

memory/2428-64-0x0000000004AC0000-0x0000000004B0C000-memory.dmp