Malware Analysis Report

2025-01-23 07:44

Sample ID 241107-l9p1kazhjh
Target 28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac
SHA256 28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac
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

28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac

Threat Level: Known bad

The file 28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac 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

Healer

RedLine payload

Detects Healer an antivirus disabler dropper

Redline family

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 10:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 10:14

Reported

2024-11-07 10:16

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.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\eIn08Qh.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\dvO09ay.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\dvO09ay.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\dvO09ay.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.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\eIn08Qh.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\eIn08Qh.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.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\dvO09ay.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\dvO09ay.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\eIn08Qh.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.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\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.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\nXW99lG28.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3732 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe
PID 3732 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe
PID 3732 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe
PID 384 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe
PID 384 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe
PID 384 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe
PID 384 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe
PID 384 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe
PID 3732 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe
PID 3732 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe
PID 3732 wrote to memory of 4000 N/A C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe

"C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1428 -ip 1428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 97.17.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 48.229.111.52.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\nXW99lG28.exe

MD5 d31bebfa6970fe26f22fec43e1a0d948
SHA1 1fafd962ac8c888ce6c7bbdc4fbe0b43773c360f
SHA256 d833fddf1a8c23d48ebd1cbeb934abc641bb804843d9dfa68215a550f90cd919
SHA512 e64c6385f37e0ffd8e9bcb88cc322dad22e7625070605afcd52359d085c9ec0d83d9feb6a9ffe0b94a8e0af405b39380cfaad0575117b3d603bfb2dffd3e7036

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe

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

memory/2044-14-0x00007FFFAD5B3000-0x00007FFFAD5B5000-memory.dmp

memory/2044-15-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

memory/2044-16-0x00007FFFAD5B3000-0x00007FFFAD5B5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe

MD5 b56f1bee1d520634cb38ac5b0c935a46
SHA1 ce066e6f10053af6d61cf4f0c1b25359537f286c
SHA256 07afc589fecdfc24ae8baa51a0374074cda4c4b14a8d33b7a8313ad0f5e47b93
SHA512 81cfd8b880aac14959eb7b282cfe4f44a473482eeb0c955c8dbd962fc25978ad07a1355848560f3f5def0f4116d2aae7c7c7f8902850a2a3bc3b6cc135d51c34

memory/1428-22-0x0000000002470000-0x000000000248A000-memory.dmp

memory/1428-23-0x0000000004D70000-0x0000000005314000-memory.dmp

memory/1428-24-0x00000000024B0000-0x00000000024C8000-memory.dmp

memory/1428-46-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-52-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-50-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-48-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-44-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-42-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-40-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-36-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-34-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-30-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-28-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-38-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-26-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-25-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-33-0x00000000024B0000-0x00000000024C2000-memory.dmp

memory/1428-53-0x0000000000400000-0x00000000005E3000-memory.dmp

memory/1428-55-0x0000000000400000-0x00000000005E3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4000-59-0x0000000000320000-0x0000000000352000-memory.dmp

memory/4000-60-0x0000000005140000-0x0000000005758000-memory.dmp

memory/4000-61-0x0000000004CC0000-0x0000000004DCA000-memory.dmp

memory/4000-62-0x0000000004BF0000-0x0000000004C02000-memory.dmp

memory/4000-63-0x0000000004C50000-0x0000000004C8C000-memory.dmp

memory/4000-64-0x0000000004DD0000-0x0000000004E1C000-memory.dmp