Malware Analysis Report

2024-11-13 17:38

Sample ID 241110-b2e6aawkfx
Target 749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da
SHA256 749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da
Tags
healer redline dona 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

749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da

Threat Level: Known bad

The file 749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da was found to be: Known bad.

Malicious Activity Summary

healer redline dona discovery dropper evasion infostealer persistence trojan

Healer

Detects Healer an antivirus disabler dropper

RedLine

RedLine payload

Modifies Windows Defender Real-time Protection settings

Healer family

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:38

Reported

2024-11-10 01:40

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.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\k1621734.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\k1621734.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\k1621734.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.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\k1621734.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.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\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.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\y1276447.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\k1621734.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 216 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe
PID 216 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe
PID 216 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe
PID 1368 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe
PID 1368 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe
PID 1368 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe
PID 1368 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe
PID 1368 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe
PID 1368 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe

Processes

C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe

"C:\Users\Admin\AppData\Local\Temp\749fc338e27160fd4d1bd43187e449dfd92f2552f0feb6405128eaa7da2c45da.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1276447.exe

MD5 820a51a721c8e28705e86bd459481ae8
SHA1 c7b7b3b4f6d6b8dfe74b9c498b323949022a1f32
SHA256 28177328c1214e16b40ed6ce328a807cd6bbe75f84b9dcfddc851fcd1801131a
SHA512 319d48b2b60d4b2057b99b751e40db8da7a3e21766535af3df87c653f1a999d9c2916e1c67d9242aaf60db3abcd942d718edbbbda1bb7b62f83e0ae041af802e

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1621734.exe

MD5 4556f261f8e6ab090d3c07fd1f55015b
SHA1 45c0d5e0e11e147bc62893621a56b99cb8285581
SHA256 d51400d0f10f3d4615d4c21d58dabf36828a13ec200db7cc668d350d6b20b9ad
SHA512 e8913c88accd2fd51ba3e550e0752dab74ee73ac079aae99bbc2756bf8e11c17e4b78c1285af66a7330e76bfa0ab984ffed5834d6e3e968e9f68aa1ce7c79447

memory/4008-14-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/4008-15-0x00000000022E0000-0x00000000022FA000-memory.dmp

memory/4008-16-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/4008-17-0x0000000004C00000-0x00000000051A4000-memory.dmp

memory/4008-18-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/4008-19-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/4008-20-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/4008-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-46-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-44-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-42-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-48-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-40-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-38-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-36-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-32-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-30-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-28-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-26-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-34-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4008-49-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/4008-50-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/4008-52-0x00000000748E0000-0x0000000075090000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8473824.exe

MD5 92d1f62c24ba8be69dbaea9b348a9b6a
SHA1 3586c78975bf3fb0d5eb8686aa3d17231de1f633
SHA256 cb37318f0d7a5e27d33c5defb0f1d36ce9f214080491069c82d28a7badae3261
SHA512 6a4dff9ab94df62a18d8873b975db91b95f13b336a56369cceffabe0e9a29804c9967bbdae8bc5889457fac8ffd1d6cd058b00b85754617f1274c9aa8c774af0

memory/4476-56-0x0000000000D90000-0x0000000000DC0000-memory.dmp

memory/4476-57-0x0000000002FE0000-0x0000000002FE6000-memory.dmp

memory/4476-58-0x0000000005D80000-0x0000000006398000-memory.dmp

memory/4476-59-0x0000000005870000-0x000000000597A000-memory.dmp

memory/4476-60-0x0000000005700000-0x0000000005712000-memory.dmp

memory/4476-61-0x00000000057A0000-0x00000000057DC000-memory.dmp

memory/4476-62-0x00000000057E0000-0x000000000582C000-memory.dmp