Malware Analysis Report

2024-11-13 17:37

Sample ID 241110-b1y7rszkbl
Target 5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3
SHA256 5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3
Tags
healer redline lint 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

5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3

Threat Level: Known bad

The file 5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3 was found to be: Known bad.

Malicious Activity Summary

healer redline lint discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Healer family

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:37

Reported

2024-11-10 01:39

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.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\IXP002.TMP\ns3044mS.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.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\IXP002.TMP\py49sB11.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\IXP002.TMP\py49sB11.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\IXP002.TMP\py49sB11.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.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\IXP002.TMP\py49sB11.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\IXP002.TMP\py49sB11.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\IXP002.TMP\ns3044mS.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.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\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.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\will0759.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\will7627.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\qs5691zC.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 820 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe
PID 820 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe
PID 820 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe
PID 4868 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe
PID 4868 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe
PID 4868 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe
PID 316 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe
PID 316 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe
PID 316 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe
PID 316 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe
PID 316 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe
PID 4868 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe
PID 4868 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe
PID 4868 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe

"C:\Users\Admin\AppData\Local\Temp\5550d364d26ae279399d39a2049872ba6eccdf6bcbdcaf96cc689c08b704dad3.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4428 -ip 4428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will0759.exe

MD5 be070023057eaab4d09dcbbc9e5876ee
SHA1 0f74facc54f44de254156e04ce20de6b8d3428c8
SHA256 02d19c7b6d682ffef14c1a9475da52b85110560a632f05aaffb1091c5e300f1a
SHA512 570c5c8ae10c08d8833b339cf4577cb693a3fc08d48f2a70e33a058bd7b925a151b202e151b257cd94cba37bb3e7d900e1ce88524dfaef61e011f2ec361f05c0

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will7627.exe

MD5 fccaf82d31118d681d2027c97a467c96
SHA1 6b2499c6fe5ea52658d99dd45d2b970eee162cc4
SHA256 4d4fa750943c9d838d3ea587f3edb2d9d9f2ad9e362d51c44fa985e132bd421f
SHA512 bf999b5b634a7865b0279344fa949c925357e1198a81334307a921eae0a74b2f7c616dc5ead4b761fa389a016be59cde544dbf65b2be37e2b437d5cb7eda9390

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns3044mS.exe

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

memory/2512-21-0x00007FFB104D3000-0x00007FFB104D5000-memory.dmp

memory/2512-22-0x0000000000A50000-0x0000000000A5A000-memory.dmp

memory/2512-23-0x00007FFB104D3000-0x00007FFB104D5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py49sB11.exe

MD5 3901a02a9aba77bbba38e79b821c46fb
SHA1 4e1e9c0da0ca48043ada600699da890d9ed0a1a2
SHA256 03baabd95ea8609c144186d6d148120323eeb0167285f78b987c92acbacbfe17
SHA512 a75350e96a1c587e8f18a64f20c4512f50a5c526174c8189854cddfe51a572f1185fdf053144a3d8f12b367864bae3598b1749597946000ce99baee61c37c06f

memory/4428-29-0x0000000002500000-0x000000000251A000-memory.dmp

memory/4428-30-0x0000000004BE0000-0x0000000005184000-memory.dmp

memory/4428-31-0x00000000026C0000-0x00000000026D8000-memory.dmp

memory/4428-33-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-57-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-55-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-54-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-51-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-49-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-47-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-45-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-43-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-59-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-41-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-39-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-37-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-35-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

memory/4428-60-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4428-62-0x0000000000400000-0x00000000004B8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs5691zC.exe

MD5 0ecc8ab62b7278cc6650517251f1543c
SHA1 b4273cda193a20d48e83241275ffc34ddad412f2
SHA256 b0f1238e54ac8e3534af7ecb4f834bea3223120fedb1eab80f7a1bf00fb5b97a
SHA512 c79d266c82b766ca39377fd02b3bc307fce4b59f53936e97c162200de3f8b3f72f6beda2aef2ab9ecd9be669b625c6ed0aaefa157cca7ac11d78b1939f660092

memory/2624-66-0x00000000004D0000-0x0000000000502000-memory.dmp

memory/2624-67-0x0000000005300000-0x0000000005918000-memory.dmp

memory/2624-68-0x0000000004E70000-0x0000000004F7A000-memory.dmp

memory/2624-69-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/2624-70-0x0000000004E00000-0x0000000004E3C000-memory.dmp

memory/2624-71-0x0000000004F80000-0x0000000004FCC000-memory.dmp