Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-lb6weszcke
Target 447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483
SHA256 447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483
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

447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483

Threat Level: Known bad

The file 447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

RedLine

Redline family

Detects Healer an antivirus disabler dropper

Healer

RedLine payload

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 09:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 09:22

Reported

2024-11-07 09:25

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A

RedLine

infostealer redline

RedLine payload

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

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\IXP002.TMP\iZi21KZ.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\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.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\sXg59sP.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.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\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1468 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe
PID 1468 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe
PID 1468 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe
PID 4904 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe
PID 4904 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe
PID 4904 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe
PID 1324 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe
PID 1324 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe
PID 1324 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe
PID 1324 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe
PID 1324 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe

"C:\Users\Admin\AppData\Local\Temp\447626370e05e837d5317db63c546ac8ace2292de1a812b9bdb17979475a3483.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sXg59sP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 29.243.111.52.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\sXg59sP.exe

MD5 35db8148107fe3bf89ab24c556ed7ab0
SHA1 348c296eda7962519fb306ac54549dde186a9380
SHA256 6bb084c0cd0c4e25a0e7a1190c78a5b6629e779408c00a1db434a931899ad21b
SHA512 4092a3bb26f08b8113f0b1749b4e25b203cc7e4cbf10a2f0019230fba53ed2383132b71f869069a9f654e43433399e4cba9e0117835884e608a100f0bf2c2994

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sgm29MB.exe

MD5 fb11758b58ad7fab3abb857a39382fa6
SHA1 67345f74c0e7d14f0ee1e2a429e10e44bcdf6bea
SHA256 a3f4ce45333e62b9fc2b5b235b84aea837765903c2278f3328e8d1d2cefd2341
SHA512 6600328b2dd9f20b175939796a3dc9205a6b9aea2fd3fb1bf4e624981204e0fb3780a7dac294f8dd57417ba8bdf4b101e686debb8b99343d504ff7d36ef18cce

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iZi21KZ.exe

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

memory/756-21-0x00007FFEF6483000-0x00007FFEF6485000-memory.dmp

memory/756-22-0x00000000009C0000-0x00000000009CA000-memory.dmp

memory/756-23-0x00007FFEF6483000-0x00007FFEF6485000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\knF87yc.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1980-28-0x0000000000610000-0x0000000000642000-memory.dmp

memory/1980-29-0x0000000005580000-0x0000000005B98000-memory.dmp

memory/1980-30-0x00000000050F0000-0x00000000051FA000-memory.dmp

memory/1980-31-0x0000000005030000-0x0000000005042000-memory.dmp

memory/1980-32-0x0000000005090000-0x00000000050CC000-memory.dmp

memory/1980-33-0x0000000005200000-0x000000000524C000-memory.dmp