Malware Analysis Report

2025-01-23 07:34

Sample ID 241104-rbnmqs1apf
Target 433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819
SHA256 433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819
Tags
healer redline mihan 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

433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819

Threat Level: Known bad

The file 433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819 was found to be: Known bad.

Malicious Activity Summary

healer redline mihan discovery dropper evasion infostealer persistence trojan

Healer family

RedLine

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Detects Healer an antivirus disabler dropper

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 14:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 14:01

Reported

2024-11-04 14:03

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.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\a9335692.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\a9335692.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\a9335692.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\a9335692.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.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\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.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\v2480339.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\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3908 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe
PID 3908 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe
PID 3908 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe
PID 3132 wrote to memory of 3440 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe
PID 3132 wrote to memory of 3440 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe
PID 3132 wrote to memory of 3440 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe
PID 3132 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe
PID 3132 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe
PID 3132 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe

Processes

C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe

"C:\Users\Admin\AppData\Local\Temp\433fab2c541ba204345b97c0525fede80f7c474db84acdacda18e09a89847819.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2480339.exe

MD5 8af2fdfac62450c5e99c07f680f052c7
SHA1 abbe4abcbcfe3b17c03eff734b96ab27a9c3c5b0
SHA256 4fb53dcd873e4afc5be798bbcf23157d20e82bb1405216ed047a31e6fc331342
SHA512 9250a8fc4b03c5cd81cda3df82b510516cf2b6000d22e81d04543c991b8eee00338463c3505fbbd8d8ae240fb17de2b867ae81db821ffd7e264a103837453ece

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9335692.exe

MD5 c40f3b77df31778ae92519c21b8ee215
SHA1 ac9692045c8e5148fd6d0c53a13aeec16805b71a
SHA256 65872028a1e3df02884f36d1537f8cf59ec1a5eda724933bbab07028671a527e
SHA512 7d47ceae63bc8b86b881f6849d1bbd8e373cc0e05553a09ec5dba705c92ff87f8d0a0658d67ed7a17bec39bc000885db0ef791d14356d294f7b1137b92e27940

memory/3440-14-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

memory/3440-15-0x0000000000810000-0x000000000082A000-memory.dmp

memory/3440-16-0x0000000073E00000-0x00000000745B0000-memory.dmp

memory/3440-17-0x00000000049D0000-0x0000000004F74000-memory.dmp

memory/3440-18-0x0000000073E00000-0x00000000745B0000-memory.dmp

memory/3440-19-0x0000000002540000-0x0000000002558000-memory.dmp

memory/3440-20-0x0000000073E00000-0x00000000745B0000-memory.dmp

memory/3440-46-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-44-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-42-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-40-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-38-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-36-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-34-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-32-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-30-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-28-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-26-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-24-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-22-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-21-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-48-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3440-49-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

memory/3440-50-0x0000000073E00000-0x00000000745B0000-memory.dmp

memory/3440-52-0x0000000073E00000-0x00000000745B0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b9293449.exe

MD5 95b35a21492ae23f982d74c976ec5ae6
SHA1 1554c56d8d238f905eac15ce368af5bcc48b89bf
SHA256 dba988a528fa1a139efceb537c6ffe212197795a6b91fbba60d87217b6b23ddd
SHA512 929e8465e7d5bddb0af97e711f9a659769b7ff79268ebc85203cf7d802d27b4410db6b60143b15442dc01907db3679c8fd8f1c61d84223b3248bff45f76c8396

memory/4868-56-0x00000000003A0000-0x00000000003D0000-memory.dmp

memory/4868-57-0x00000000024B0000-0x00000000024B6000-memory.dmp

memory/4868-58-0x000000000A7C0000-0x000000000ADD8000-memory.dmp

memory/4868-59-0x000000000A340000-0x000000000A44A000-memory.dmp

memory/4868-60-0x000000000A270000-0x000000000A282000-memory.dmp

memory/4868-61-0x000000000A2D0000-0x000000000A30C000-memory.dmp

memory/4868-62-0x00000000023F0000-0x000000000243C000-memory.dmp