Malware Analysis Report

2024-12-06 02:52

Sample ID 241110-a59nmavnds
Target d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c
SHA256 d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c
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

d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c

Threat Level: Known bad

The file d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Healer

Healer family

Detects Healer an antivirus disabler dropper

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

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 00:48

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:48

Reported

2024-11-10 00:51

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.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\23358008.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\23358008.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\23358008.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\23358008.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\23358008.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\23358008.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\23358008.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.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\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.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\un803557.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\rk258233.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3956 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe
PID 3956 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe
PID 3956 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe
PID 4444 wrote to memory of 3568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe
PID 4444 wrote to memory of 3568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe
PID 4444 wrote to memory of 3568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe
PID 4444 wrote to memory of 1032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe
PID 4444 wrote to memory of 1032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe
PID 4444 wrote to memory of 1032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe

"C:\Users\Admin\AppData\Local\Temp\d741e515da5b3b846288b2e9a6a767d25c0cb718dec18d9eb49e7522d91d642c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3568 -ip 3568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un803557.exe

MD5 5ad1483bf3cadc1ab72440cdf8c3ba4a
SHA1 23e82203144318cd05ce41823a392bffa98ae66f
SHA256 885e9be9732ebaf7f5128f1bd14be6290c27f5869c1d99282210c220ec82754d
SHA512 5bdcaeb30468c5787c3913953cfb0932288b1aa373b3a6583f5206c1d06eece60273f8b63c411fe416836cd20cda9c261663852842398d009c5e88431c4dcafc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\23358008.exe

MD5 85ed8449fe461a6da3daf2d32f3577e5
SHA1 6d90b8393817c22afd564d86c73e4580ee18fbb9
SHA256 0e949ec504249e96b4b3486006811240bf3c7e380180ac38fea2e4083aaf523c
SHA512 718ed76300c7c470d0d2e8a0b4a306d939ef0da70fc79a724cb27de7ca42e8edd7d02bce8e764700a3400d033a44381a7a1622db3a9edb32ca8dd4ecda8f7a49

memory/3568-16-0x0000000002C70000-0x0000000002C9D000-memory.dmp

memory/3568-15-0x0000000002E10000-0x0000000002F10000-memory.dmp

memory/3568-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3568-18-0x0000000004C50000-0x0000000004C6A000-memory.dmp

memory/3568-19-0x00000000072B0000-0x0000000007854000-memory.dmp

memory/3568-20-0x0000000007130000-0x0000000007148000-memory.dmp

memory/3568-41-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-48-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-46-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-44-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-43-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-38-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-36-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-34-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-32-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-30-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-28-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-26-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-24-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-22-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-21-0x0000000007130000-0x0000000007142000-memory.dmp

memory/3568-49-0x0000000002E10000-0x0000000002F10000-memory.dmp

memory/3568-51-0x0000000002C70000-0x0000000002C9D000-memory.dmp

memory/3568-50-0x0000000000400000-0x0000000002B9E000-memory.dmp

memory/3568-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3568-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk258233.exe

MD5 a3c0d9218bb1ff8c7e2ea2cc324c5eab
SHA1 369733b1d4cbcacdf4f7a4259e2ba859e748f446
SHA256 10ef4bab3054b7674debcec760840f8d6a7feb0a92f64e8d012ea0d0f4778047
SHA512 472303b723eee33706b9315946c0cc1e2aeedba440d8f6cce194fcf32fbcafd27fcb63585cc95234ea119d8c8f29aaa231fc30c33096803a76d563819e9a2fe4

memory/3568-54-0x0000000000400000-0x0000000002B9E000-memory.dmp

memory/1032-60-0x0000000004990000-0x00000000049CC000-memory.dmp

memory/1032-61-0x0000000004B20000-0x0000000004B5A000-memory.dmp

memory/1032-65-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-75-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-858-0x0000000004750000-0x000000000479C000-memory.dmp

memory/1032-857-0x000000000A480000-0x000000000A4BC000-memory.dmp

memory/1032-856-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/1032-855-0x00000000072E0000-0x00000000072F2000-memory.dmp

memory/1032-854-0x0000000009D50000-0x000000000A368000-memory.dmp

memory/1032-95-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-93-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-91-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-89-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-87-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-85-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-83-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-81-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-79-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-73-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-71-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-69-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-67-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-77-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-63-0x0000000004B20000-0x0000000004B55000-memory.dmp

memory/1032-62-0x0000000004B20000-0x0000000004B55000-memory.dmp