Malware Analysis Report

2024-12-07 04:03

Sample ID 241113-yfjmxa1pgr
Target dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe
SHA256 dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4
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

dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4

Threat Level: Known bad

The file dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine

Redline family

Detects Healer an antivirus disabler dropper

Healer family

Healer

RedLine payload

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 19:43

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 19:43

Reported

2024-11-13 19:45

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe"

Signatures

Detects Healer an antivirus disabler dropper

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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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.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\41383540.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\41383540.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.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\41383540.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\41383540.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\41383540.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.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\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.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\un986674.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\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3180 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe
PID 3180 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe
PID 3180 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe
PID 3396 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe
PID 3396 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe
PID 3396 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe
PID 3396 wrote to memory of 500 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe
PID 3396 wrote to memory of 500 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe
PID 3396 wrote to memory of 500 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe

"C:\Users\Admin\AppData\Local\Temp\dbf6ef3a098bfd1e1b927a2e6293227f72a6766ea83dff6501667c0c2e2c57b4N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3896 -ip 3896

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 172.210.232.199.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

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un986674.exe

MD5 aaf9090c0ef6a4e200587bf1ea3d12db
SHA1 706a49d4c8b704f4fad56028d06589318735b163
SHA256 7fa19d4c8092332242db5867fa63115a294d1648b7e6171115faaca063562d57
SHA512 7fa512289125ec3e3df2e0fb595f15c1950b3ed16be44ad290408dcd31e633b76bcb5c49c4189e2c52ba379af0cf35967f79de37151671c2e161e50510895be7

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41383540.exe

MD5 ec6f08d42f7dc2c5c4e8130f61f14624
SHA1 2b1d31623c8b4e34296083a04f670cccfc370e3a
SHA256 78e1a3488d1571fcfa051ce42f63d55a9a3141225c89868782efa2144d7198a2
SHA512 3fd8eedf099b6fb34d81f8a8382e026225860441e9b59468284b440fb4d2ccf980d978cf3f21180c7b05e9bff00bf42c8a3dd3b7b20955dc132ee637d0ff5c07

memory/3896-15-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

memory/3896-16-0x0000000002CC0000-0x0000000002CED000-memory.dmp

memory/3896-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3896-18-0x0000000004A80000-0x0000000004A9A000-memory.dmp

memory/3896-19-0x0000000007420000-0x00000000079C4000-memory.dmp

memory/3896-20-0x0000000007280000-0x0000000007298000-memory.dmp

memory/3896-21-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-22-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-36-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-48-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-46-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-44-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-42-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-40-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-38-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-34-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-32-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-30-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-28-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-26-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-24-0x0000000007280000-0x0000000007293000-memory.dmp

memory/3896-49-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

memory/3896-50-0x0000000002CC0000-0x0000000002CED000-memory.dmp

memory/3896-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3896-51-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/3896-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk371900.exe

MD5 1ea0ddc945807524985b8629f7be20b4
SHA1 a898fd5c833d66a11ae0a59db7e11d96f95b374a
SHA256 176e623c1f523219abbbbe492205aa6a85834f197be65d4ecc81ee37af53c7fb
SHA512 9235676bba59db3d1a2d8ac1d33603ae91b3eaf3111a90a7b672eabeec0f648e665aab0b68e21400e2f84946417321e4c866ece247928a3c6176d173c9f5351c

memory/3896-54-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/500-60-0x0000000004C20000-0x0000000004C5C000-memory.dmp

memory/500-61-0x0000000007190000-0x00000000071CA000-memory.dmp

memory/500-89-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-75-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-65-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-63-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-95-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-93-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-91-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-87-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-85-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-83-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-81-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-79-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-77-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-73-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-71-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-69-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-67-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-62-0x0000000007190000-0x00000000071C5000-memory.dmp

memory/500-854-0x0000000009D30000-0x000000000A348000-memory.dmp

memory/500-855-0x000000000A350000-0x000000000A362000-memory.dmp

memory/500-856-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/500-857-0x000000000A480000-0x000000000A4BC000-memory.dmp

memory/500-858-0x0000000006CC0000-0x0000000006D0C000-memory.dmp