Malware Analysis Report

2024-12-06 02:40

Sample ID 241110-bccnvsyndl
Target 804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e
SHA256 804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e
Tags
healer redline mask 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

804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e

Threat Level: Known bad

The file 804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e was found to be: Known bad.

Malicious Activity Summary

healer redline mask discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Redline family

Healer family

RedLine

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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:59

Reported

2024-11-10 01:02

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.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\IXP004.TMP\a3514470.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\IXP004.TMP\a3514470.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\IXP004.TMP\a3514470.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\IXP004.TMP\a3514470.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\IXP004.TMP\a3514470.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
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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\IXP004.TMP\a3514470.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.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\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.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\v8418826.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\v2337900.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.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\IXP004.TMP\a3514470.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2444 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe
PID 2444 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe
PID 2444 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe
PID 4808 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe
PID 4808 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe
PID 4808 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe
PID 1932 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe
PID 1932 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe
PID 1932 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe
PID 3100 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe
PID 3100 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe
PID 3100 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe
PID 2580 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe
PID 2580 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe
PID 2580 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe
PID 2580 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe
PID 2580 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe
PID 2580 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe

Processes

C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe

"C:\Users\Admin\AppData\Local\Temp\804941f2f59743ec7b1cb4075aee589aa54c0d116b69874f3bd6f0fd7b7fa96e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4532 -ip 4532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CY 217.196.96.56:4138 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
CY 217.196.96.56:4138 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
CY 217.196.96.56:4138 tcp
CY 217.196.96.56:4138 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
CY 217.196.96.56:4138 tcp
CY 217.196.96.56:4138 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8418826.exe

MD5 42bf7635013aca05fea3b821f2b019b2
SHA1 da2f02b66e2e94ee1c626813c41fa485706c8272
SHA256 827d598ea471d99d60d147108ef72b9625dc85d1e4d761fe1542af80335a5fe5
SHA512 d159c59c6367e61b492c0331a2ec1054acccb21643ca720dd17e9361a9e57ffb790cb860928ac8f87557a4fd92d7e4653d2f88299a1a8df4b8c1867fee0ce755

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2337900.exe

MD5 1e9c1468e6426cd02fab8c691a843910
SHA1 f8834e33538b2fb10f4e7c6b17c361824b12704c
SHA256 0878ea9ed4db8f129bddd8faf138de54f0ad0224cca5bdf1f07f32bf02094aa0
SHA512 b269cc37069526f744fa6c94328b7cbbe429786be0e5d0af66fda882632966d5036b6d1aa77489fcc00bd49fbf0fdfa0c1a497a279caaf2d093381adb0b8e1fa

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9533294.exe

MD5 6e7e7f9a170fcc9da55fbee5519945e5
SHA1 d07e1fe0b255595635c04bb80250708c34604adf
SHA256 e5c3df18f0bda8ef2c2dd4e88453beaa266673f2ad046e951ec23baf517950ef
SHA512 b139c7745bde142ac627846ed8e26d8b2d6b9caa16f05f082c11b3cdb985543635776bf4284debb142c5f033bbbf55f50770c342f9d4c4b972a98887740ab993

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v8366774.exe

MD5 61f7c6f3f7cb65224457eb297ef6bab9
SHA1 26dc04c58133ae0c234e275bf1b386b3a0b6e05e
SHA256 ef87f699a2934e4adbd5a4ee976f16e061cda7ad003ef89f8f7c2350ea124512
SHA512 f0f45b7ee77c7531a5d51588f98b15cc36a516e9e54bb4671740c76a06ee0e9736fd4aa85db79ea0138701be7d4db334390ddf2a28bf3a4c4b615a7c696e405f

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a3514470.exe

MD5 bae3ffe1045127c3f73d63d28d721195
SHA1 33c5842fb31fb1484d6fba9bff0ec27e8e757fa4
SHA256 b9a55e4033d86328a4c5fb8ab9d4b9e918e36d243df300dc4e8f6d5b2e167c33
SHA512 23e62aae2825ae98886bfa74c680aa5206201ca7840495dd52be1a2e758d1d3214bf7fc3f20f9a8a7a3b47b6fe77ce035eab049ca9ed8c14da7773ff0b6f0497

memory/4532-36-0x0000000002120000-0x000000000213A000-memory.dmp

memory/4532-37-0x0000000004C50000-0x00000000051F4000-memory.dmp

memory/4532-38-0x0000000002220000-0x0000000002238000-memory.dmp

memory/4532-44-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-42-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-62-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-60-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-58-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-56-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-54-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-52-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-50-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-48-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-46-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-40-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-39-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-66-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-64-0x0000000002220000-0x0000000002232000-memory.dmp

memory/4532-67-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4532-69-0x0000000000400000-0x000000000047F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b2662441.exe

MD5 e9abb32f00aa7ebfdf0ff02cc53901c6
SHA1 cbca3ae149f5dbe0cf9e133061ece5e68a93412e
SHA256 31d5ff66cffc34831d0857bc0d40a8b5a5eb8779039e8ae853c51c7c1e90eb88
SHA512 065d01bd6bd400c0c5e4e77f48d8efa72f5a90f5a0e2e37e61500daa16020ba2b5c8250c277cc0ccc4a1cba232789c84fc3d39eee0aded3631beefdda960c3e4

memory/4692-73-0x0000000000E00000-0x0000000000E30000-memory.dmp

memory/4692-74-0x0000000005620000-0x0000000005626000-memory.dmp

memory/4692-75-0x0000000005D80000-0x0000000006398000-memory.dmp

memory/4692-76-0x0000000005870000-0x000000000597A000-memory.dmp

memory/4692-77-0x0000000005780000-0x0000000005792000-memory.dmp

memory/4692-78-0x00000000057E0000-0x000000000581C000-memory.dmp

memory/4692-79-0x0000000005980000-0x00000000059CC000-memory.dmp