Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-vkyqvaynaj
Target 51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e
SHA256 51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e
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

51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e

Threat Level: Known bad

The file 51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer

RedLine

Healer family

Redline family

RedLine payload

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 17:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 17:03

Reported

2024-11-07 17:06

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.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\doB58aY.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.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\efI52Iq.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\efI52Iq.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\efI52Iq.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\efI52Iq.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.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\doB58aY.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\doB58aY.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\doB58aY.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\efI52Iq.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\doB58aY.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.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\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.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\njM01Su69.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\efI52Iq.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3916 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe
PID 3916 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe
PID 3916 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe
PID 2904 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe
PID 2904 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe
PID 2904 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe
PID 2904 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe
PID 2904 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe
PID 3916 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe
PID 3916 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe
PID 3916 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe

Processes

C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe

"C:\Users\Admin\AppData\Local\Temp\51def1bb3b07e889f32209e173c0fb35746167b117f3ed1292cd5785093e636e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 404 -ip 404

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\njM01Su69.exe

MD5 6c17379d4fa6c8a1b22bbb26b44c0a3a
SHA1 577aa3e4a1d692a73c7f3712a6d57f28fdb2f966
SHA256 406f08c26bd3eada1805d87d110790217df4a9af6ae1ca06e4da1d69276d07ad
SHA512 95fb9819f4a1c98d31ef53b69d9eb39d35787cf1be63ddf5110d7f4db65e43ecb8d9bb57cfc372b6a7ce3f0fb8134aeb595cefa8e3d3909b9127bd37394f781f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doB58aY.exe

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

memory/4404-14-0x00007FFAC1F63000-0x00007FFAC1F65000-memory.dmp

memory/4404-15-0x0000000000C50000-0x0000000000C5A000-memory.dmp

memory/4404-17-0x00007FFAC1F63000-0x00007FFAC1F65000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efI52Iq.exe

MD5 b56f1bee1d520634cb38ac5b0c935a46
SHA1 ce066e6f10053af6d61cf4f0c1b25359537f286c
SHA256 07afc589fecdfc24ae8baa51a0374074cda4c4b14a8d33b7a8313ad0f5e47b93
SHA512 81cfd8b880aac14959eb7b282cfe4f44a473482eeb0c955c8dbd962fc25978ad07a1355848560f3f5def0f4116d2aae7c7c7f8902850a2a3bc3b6cc135d51c34

memory/404-22-0x0000000002490000-0x00000000024AA000-memory.dmp

memory/404-23-0x0000000004BF0000-0x0000000005194000-memory.dmp

memory/404-24-0x0000000002840000-0x0000000002858000-memory.dmp

memory/404-25-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-34-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-50-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-48-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-46-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-44-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-42-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-40-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-38-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-36-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-32-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-30-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-28-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-26-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-52-0x0000000002840000-0x0000000002852000-memory.dmp

memory/404-53-0x0000000000400000-0x00000000005E3000-memory.dmp

memory/404-55-0x0000000000400000-0x00000000005E3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fCd23VK.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2968-59-0x00000000004A0000-0x00000000004D2000-memory.dmp

memory/2968-60-0x0000000005410000-0x0000000005A28000-memory.dmp

memory/2968-61-0x0000000004F80000-0x000000000508A000-memory.dmp

memory/2968-62-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

memory/2968-63-0x0000000004F10000-0x0000000004F4C000-memory.dmp

memory/2968-64-0x0000000005090000-0x00000000050DC000-memory.dmp