Malware Analysis Report

2025-08-05 10:41

Sample ID 241109-gzfxpazann
Target cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0
SHA256 cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0
Tags
healer redline murka 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

cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0

Threat Level: Known bad

The file cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0 was found to be: Known bad.

Malicious Activity Summary

healer redline murka discovery dropper evasion infostealer persistence trojan

Healer family

RedLine payload

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine

Redline family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 06:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 06:14

Reported

2024-11-09 06:16

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.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\a5043918.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\a5043918.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\a5043918.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\a5043918.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.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\IXP001.TMP\a5043918.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.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\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.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\v7907028.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\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1852 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe
PID 1852 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe
PID 1852 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe
PID 4904 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe
PID 4904 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe
PID 4904 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe
PID 4904 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe
PID 4904 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe
PID 4904 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe

"C:\Users\Admin\AppData\Local\Temp\cbbb535be7cab71e14d7bba40b6d2c852d59080ae9b890235820a8be13ab1df0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7907028.exe

MD5 f8023d4e7256f122609b6b69c7108665
SHA1 8aaee6a6e0fa411feab682e02d0e4d5d899b1c2e
SHA256 ce4848c724360433874c563e0789ff2802388a5590b8b30f08f26639347bcc99
SHA512 9a5c2ae8794584c92a8142c1474f50c0b0bab729926d5b7d54be374c5c570f39667fbcaf5a25115cfb1ba50ff7fbbebe0d85ee5c237c0d5af22e9c0e1575b49b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5043918.exe

MD5 564a331fe7df33a12748a2be41ce38ce
SHA1 6f2d9da6530d16de34bf753c4bd95d302bf3b69c
SHA256 7a214100a1a7bd8c1dd40cafeb167a52d5807f87b2116ab432cefb2338aa50f4
SHA512 e0afe495ea0395bf6244633ab41f15b2c41d7366a6cf10cdda6658164547ef021d3fdc428d59931730acfe32e156977d0bfab7a44d94a7d7b4d9a1219aeb3f20

memory/3320-14-0x000000007484E000-0x000000007484F000-memory.dmp

memory/3320-15-0x0000000002240000-0x000000000225A000-memory.dmp

memory/3320-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3320-17-0x00000000049D0000-0x0000000004F74000-memory.dmp

memory/3320-18-0x0000000002540000-0x0000000002558000-memory.dmp

memory/3320-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3320-47-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-45-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-43-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-41-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-39-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-37-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-35-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-33-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-31-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-29-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-27-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-25-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-23-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-21-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-20-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3320-48-0x000000007484E000-0x000000007484F000-memory.dmp

memory/3320-49-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3320-51-0x0000000074840000-0x0000000074FF0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8872332.exe

MD5 f395a34d7da4c61be409291de99552a8
SHA1 7e947804e14434e5b59fb0bf55ec01a8d81b16c4
SHA256 42711dd911cd49c226e687e2466c1741dbc250695e31788a4e8220d9d5a9f8f7
SHA512 878fc40c09de53f421d6586549a2198b07d081a7b3b2f68939da10f45d7673ab18148127f19aa5f4be5ac4fc46045e0adda0cf97ecf665ddcc5a3515c3423226

memory/4280-55-0x0000000000BE0000-0x0000000000C10000-memory.dmp

memory/4280-56-0x0000000002F70000-0x0000000002F76000-memory.dmp

memory/4280-57-0x0000000005B70000-0x0000000006188000-memory.dmp

memory/4280-58-0x0000000005660000-0x000000000576A000-memory.dmp

memory/4280-59-0x0000000005570000-0x0000000005582000-memory.dmp

memory/4280-60-0x00000000055D0000-0x000000000560C000-memory.dmp

memory/4280-61-0x0000000005610000-0x000000000565C000-memory.dmp