Malware Analysis Report

2024-12-07 03:48

Sample ID 241113-vpylmsyrcn
Target 21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe
SHA256 21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869
Tags
healer redline gena 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

21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869

Threat Level: Known bad

The file 21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline gena discovery dropper evasion infostealer persistence trojan

RedLine

RedLine payload

Modifies Windows Defender Real-time Protection settings

Healer family

Healer

Detects Healer an antivirus disabler dropper

Redline family

Windows security modification

Executes dropped EXE

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

2024-11-13 17:10

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:10

Reported

2024-11-13 17:12

Platform

win10v2004-20241007-en

Max time kernel

112s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.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\qu3760.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\qu3760.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\qu3760.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.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\pro5127.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\pro5127.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\pro5127.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\qu3760.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\qu3760.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\pro5127.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.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\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.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\unio1354.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\unio7173.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\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4460 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe
PID 4460 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe
PID 4460 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe
PID 3172 wrote to memory of 3436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe
PID 3172 wrote to memory of 3436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe
PID 3172 wrote to memory of 3436 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe
PID 3436 wrote to memory of 3516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe
PID 3436 wrote to memory of 3516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe
PID 3436 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe
PID 3436 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe
PID 3436 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe
PID 3172 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe
PID 3172 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe
PID 3172 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe

Processes

C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe

"C:\Users\Admin\AppData\Local\Temp\21b05ea6bbaccdfd03ff695c4faa274e440cc8e4bd92f82f6654c60fe9592869N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3176 -ip 3176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 193.233.20.30:4125 tcp
RU 193.233.20.30:4125 tcp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
RU 193.233.20.30:4125 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 193.233.20.30:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1354.exe

MD5 7904788e1c209b0240fa5938acbf9984
SHA1 785da78980a4b04649d48e800d73d452d5b819cc
SHA256 0e91dec38ec20d0c5c65606ea6e340cd9c634d25625d63d53a652217c080c598
SHA512 029d392c80854cbfe3df222e6a469cd8be8c4cc376b6b66f1afea9f7987510cea5ce3268d4b418f5d9a77865d05c59d3af07f8bbe0767e25d584c6c64b1d70f8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio7173.exe

MD5 a3eb818ab9ba9939bbb84f792ed1d283
SHA1 4ea0e719323b13b5fd52f292e651e026d91ba14e
SHA256 0c20338b9408612a38f809a868366679b91080f371a7e92c74c8bb4aa14c67ea
SHA512 1c717335259ea14a09042dcc2e8e8411210778050c5c4f1c46e44c59c98c2742c3476b8fec525c82250b3bb109a6ff2f5c482ee73056da6de8046dd08e2ee916

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro5127.exe

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

memory/3516-21-0x00007FF9294E3000-0x00007FF9294E5000-memory.dmp

memory/3516-22-0x0000000000E80000-0x0000000000E8A000-memory.dmp

memory/3516-24-0x00007FF9294E3000-0x00007FF9294E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu3760.exe

MD5 5c364014c2d235b381340b6ca74d51fa
SHA1 c825d53056da7a976701815f5a98fa94c126cd85
SHA256 f16873e576d3b3fcc7cc6e2d06398be8c52f31aaf0d3c978f52e109d4521350c
SHA512 87f4cd5680ad37a69c8a6900d7f5f07973f2b2d69d960e2e28c82fa44190577e0b91c7c122d9a72ba7168a925b33d8ffcf01088cf517bc186f2dce278de2eb71

memory/3176-29-0x00000000024D0000-0x00000000024EA000-memory.dmp

memory/3176-30-0x0000000004F00000-0x00000000054A4000-memory.dmp

memory/3176-31-0x0000000002960000-0x0000000002978000-memory.dmp

memory/3176-32-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-39-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-59-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-57-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-55-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-53-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-49-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-47-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-45-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-43-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-41-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-37-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-35-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-33-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-51-0x0000000002960000-0x0000000002972000-memory.dmp

memory/3176-60-0x0000000000400000-0x0000000000834000-memory.dmp

memory/3176-62-0x0000000000400000-0x0000000000834000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rKd08s60.exe

MD5 e628ec44a9f4b126124700b6ec05ab1d
SHA1 3b0079cacf4a240e7011824ee512eb783992a1f1
SHA256 190d6be894547463954084d2a7bb2538efdc126e4846f588a9bcba4088bec84e
SHA512 de1e71dfd82b47d75643685928b13cf2220fe8f8978c1b630d5d3182d8ade518af8092d6d7b687a98524b048e074f897ee1daa7cd213dcb50a24447347c020b7

memory/1384-67-0x0000000002940000-0x0000000002986000-memory.dmp

memory/1384-68-0x0000000002B10000-0x0000000002B54000-memory.dmp

memory/1384-80-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-84-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-102-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-100-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-98-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-94-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-92-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-90-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-88-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-86-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-82-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-78-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-76-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-74-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-96-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-72-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-70-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-69-0x0000000002B10000-0x0000000002B4E000-memory.dmp

memory/1384-975-0x0000000005480000-0x0000000005A98000-memory.dmp

memory/1384-976-0x0000000005B10000-0x0000000005C1A000-memory.dmp

memory/1384-977-0x0000000005C50000-0x0000000005C62000-memory.dmp

memory/1384-978-0x0000000005C70000-0x0000000005CAC000-memory.dmp

memory/1384-979-0x0000000005DC0000-0x0000000005E0C000-memory.dmp