Malware Analysis Report

2024-11-13 17:38

Sample ID 241110-b1cnrswhrh
Target 82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b
SHA256 82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b
Tags
healer redline 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

82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b

Threat Level: Known bad

The file 82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

Healer family

Healer

RedLine

Detects Healer an antivirus disabler dropper

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:36

Reported

2024-11-10 01:38

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.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\k4481314.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\k4481314.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\k4481314.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\k4481314.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\k4481314.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.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\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.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\y0670110.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\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4648 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe
PID 4648 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe
PID 4648 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe
PID 5032 wrote to memory of 4448 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe
PID 5032 wrote to memory of 4448 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe
PID 5032 wrote to memory of 4448 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe
PID 5032 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe
PID 5032 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe
PID 5032 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe

Processes

C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe

"C:\Users\Admin\AppData\Local\Temp\82b31d393153b2f47d9e7ed44d9d61943a98478062daace89a7ded14cab6da3b.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0670110.exe

MD5 c3fa2d0d717ac45cb2a29621d0861b03
SHA1 92b2caa17b1de587131039297dc9c27e24f128f0
SHA256 afd7c5efec0d1a8c660642759dc1b16d902e7edb97c637b263871ecb49f64d42
SHA512 d8f15e29279b0cc7e4dc5989967e07aaaa6419a9399420d68696dc06d19e0990dba2daa3fa0180d7e1dd816ac4846c82d6641df22ebc74507b20724896a1defe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4481314.exe

MD5 ba2004d0f8427485e672ac607c9874f4
SHA1 8b9fd4040f5d74e106c8e3cb16fe6956951929df
SHA256 796a305eb569ad3632153acd4352173937cca11d5ededa1ae208f386b5c78d84
SHA512 644bdf807a73f7e1fedeeda48273d737d954c149cf7fc3d6a33c2fd212c88cf74fd4a71f855096049f5c416c810789fb670e7521f77d77d937d6ef96c4aa5c1b

memory/4448-14-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/4448-15-0x00000000023F0000-0x000000000240A000-memory.dmp

memory/4448-16-0x0000000073FA0000-0x0000000074750000-memory.dmp

memory/4448-17-0x0000000004B70000-0x0000000005114000-memory.dmp

memory/4448-18-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/4448-46-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-44-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-47-0x0000000073FA0000-0x0000000074750000-memory.dmp

memory/4448-42-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-40-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-38-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-36-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-34-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-32-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-30-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-28-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-26-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-19-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4448-48-0x0000000073FA0000-0x0000000074750000-memory.dmp

memory/4448-49-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/4448-50-0x0000000073FA0000-0x0000000074750000-memory.dmp

memory/4448-52-0x0000000073FA0000-0x0000000074750000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7636927.exe

MD5 baced8ac7fcd7922cb9fac0d54da33b4
SHA1 20b7db9150687cc1fcfbf534c6d7d519a7e399cc
SHA256 287e4f73c0b8881040446d3054c8220d23b1bcd6f7ad37c7ffd1c389a4f8b215
SHA512 59190b14619c6f5a22358fdd77f41279c045f743ac4d7961f0df8f9c5c82343409856397409e7dd5ae8ffc8d0cd9fe3369b8d30eacf4501ad9f900fd431b2187

memory/3136-56-0x0000000000ED0000-0x0000000000EF8000-memory.dmp

memory/3136-57-0x0000000008180000-0x0000000008798000-memory.dmp

memory/3136-58-0x0000000007BF0000-0x0000000007C02000-memory.dmp

memory/3136-59-0x0000000007D60000-0x0000000007E6A000-memory.dmp

memory/3136-60-0x0000000007CD0000-0x0000000007D0C000-memory.dmp

memory/3136-61-0x0000000007C70000-0x0000000007CBC000-memory.dmp