Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-pdxx3sscnk
Target 9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a
SHA256 9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a
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

9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a

Threat Level: Known bad

The file 9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Redline family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

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 12:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 12:13

Reported

2024-11-07 12:15

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.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\eTl37Ev.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\eTl37Ev.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\dwU91be.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\dwU91be.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\dwU91be.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.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\eTl37Ev.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\eTl37Ev.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.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\dwU91be.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\dwU91be.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\eTl37Ev.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\dwU91be.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.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\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.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\nKi17dM13.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\IXP001.TMP\eTl37Ev.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2752 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe
PID 2752 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe
PID 2752 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe
PID 1220 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe
PID 1220 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe
PID 1220 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe
PID 1220 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe
PID 1220 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe
PID 2752 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe
PID 2752 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe
PID 2752 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe

"C:\Users\Admin\AppData\Local\Temp\9b1727ab6be7a8d7e04ee3532b0d647b901dd2b7b7fb2bc1aabfff15bd04170a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKi17dM13.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1248 -ip 1248

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 21.236.111.52.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\nKi17dM13.exe

MD5 677b3e50373e9da62614e42d59bd20a6
SHA1 959cdabcab4add50e68e60e724bcb34e9e8515c7
SHA256 0cd35854154ea4aab05d0e9374716f47c890208f12787495ed61edc9c04f4d11
SHA512 cdb61d5fb55b51bee7a5197ce9db22f181b6da3c706c8c7259a7de4f46aef0f5a35461bf03e10d0f9b39f1e226d9edfaf496e5c1072e98a8ab978da6aa4292fd

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwU91be.exe

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

memory/3856-14-0x00007FFA5E253000-0x00007FFA5E255000-memory.dmp

memory/3856-15-0x00000000000A0000-0x00000000000AA000-memory.dmp

memory/3856-16-0x00007FFA5E253000-0x00007FFA5E255000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTl37Ev.exe

MD5 2338c84711b756237e614c3869cf6100
SHA1 6146eace912945070cb084fe3839c8d2dc27c403
SHA256 fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b
SHA512 24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

memory/1248-22-0x0000000002390000-0x00000000023AA000-memory.dmp

memory/1248-23-0x0000000004C10000-0x00000000051B4000-memory.dmp

memory/1248-24-0x0000000002420000-0x0000000002438000-memory.dmp

memory/1248-30-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-52-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-50-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-48-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-46-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-44-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-42-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-40-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-38-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-36-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-34-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-32-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-28-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-26-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-25-0x0000000002420000-0x0000000002432000-memory.dmp

memory/1248-53-0x0000000000400000-0x000000000057B000-memory.dmp

memory/1248-55-0x0000000000400000-0x000000000057B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fGD56Id.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2084-59-0x0000000000FA0000-0x0000000000FD2000-memory.dmp

memory/2084-60-0x0000000005F10000-0x0000000006528000-memory.dmp

memory/2084-61-0x0000000005A80000-0x0000000005B8A000-memory.dmp

memory/2084-62-0x00000000059B0000-0x00000000059C2000-memory.dmp

memory/2084-63-0x0000000005A10000-0x0000000005A4C000-memory.dmp

memory/2084-64-0x0000000005B90000-0x0000000005BDC000-memory.dmp