Malware Analysis Report

2024-12-06 02:40

Sample ID 241110-bcat9syndk
Target db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795
SHA256 db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795
Tags
healer redline dippo 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

db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795

Threat Level: Known bad

The file db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795 was found to be: Known bad.

Malicious Activity Summary

healer redline dippo discovery dropper evasion infostealer persistence trojan

Healer family

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Detects Healer an antivirus disabler dropper

RedLine

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:59

Reported

2024-11-10 01:02

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.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\k0692203.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\k0692203.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\k0692203.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\k0692203.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\k0692203.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.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\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.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\y6602873.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 760 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe
PID 760 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe
PID 760 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe
PID 3736 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe
PID 3736 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe
PID 3736 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe
PID 3736 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe
PID 3736 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe
PID 3736 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe

Processes

C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe

"C:\Users\Admin\AppData\Local\Temp\db409582bfff236a3cadeea2010a4a97dbe13829f2c07d8e0d3f120035d82795.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
CY 217.196.96.102:4132 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
CY 217.196.96.102:4132 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CY 217.196.96.102:4132 tcp
CY 217.196.96.102:4132 tcp
CY 217.196.96.102:4132 tcp
CY 217.196.96.102:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6602873.exe

MD5 7d0b4ea431fbbe1dca22db89b87cf1e7
SHA1 c88d9c323ea8645eabc609315f97c3b9829f19e3
SHA256 0c839b8e7239470b96d0317fb34f83986bb7dc6dba9903ef23b5cd670b156378
SHA512 0a49370eb45b92db5fb63e6e928325dff801795cec82843898a9feb520b0d5b219ffa38379ed4b657e8bad27366711502fb4e8b3db53070bf1cf05aab45d752c

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0692203.exe

MD5 80434b281cd40422c1f2af74b5e6d3f4
SHA1 5b4b43aed6304d6b3b1460e32f5ddc922b5f3fc4
SHA256 8eaf446a031d01e58dbf5100147f5e7a49267628b0463be458e9c896824ab861
SHA512 87092aff66e75d5ce1a692cb6a2bbd0ff19bb37d894ba86f37f16961e91411943ad493c1da057c998c28d3ad4dfca30cf1ba588f816c121717dced704b7739c6

memory/4932-14-0x00000000747EE000-0x00000000747EF000-memory.dmp

memory/4932-15-0x0000000002260000-0x000000000227A000-memory.dmp

memory/4932-16-0x00000000747E0000-0x0000000074F90000-memory.dmp

memory/4932-17-0x0000000004B10000-0x00000000050B4000-memory.dmp

memory/4932-19-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/4932-18-0x00000000747E0000-0x0000000074F90000-memory.dmp

memory/4932-31-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-37-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-48-0x00000000747E0000-0x0000000074F90000-memory.dmp

memory/4932-47-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-45-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-43-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-41-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-39-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-35-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-33-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-29-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-27-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-25-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-23-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4932-49-0x00000000747EE000-0x00000000747EF000-memory.dmp

memory/4932-50-0x00000000747E0000-0x0000000074F90000-memory.dmp

memory/4932-52-0x00000000747E0000-0x0000000074F90000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2322799.exe

MD5 6eee8df8a96c6e9da55ca6c539499b04
SHA1 adc1feb318dc801682194a431a5c7d72140d635e
SHA256 bd5fc67b0985dd6358787d5b082b5edeaa189fb0ed83603ec3a791277d1f99e4
SHA512 446f5bef9c45f93a68ed0cff9600b07c1aea2e975a6c993bfd30a76e487a8ec41e720b630168d27372a84e170f8204344015505129c99e5c0a5a59e3ca5fb571

memory/872-56-0x00000000000E0000-0x000000000010E000-memory.dmp

memory/872-57-0x0000000002330000-0x0000000002336000-memory.dmp

memory/872-58-0x00000000050F0000-0x0000000005708000-memory.dmp

memory/872-59-0x0000000004BE0000-0x0000000004CEA000-memory.dmp

memory/872-60-0x0000000004950000-0x0000000004962000-memory.dmp

memory/872-61-0x0000000004AD0000-0x0000000004B0C000-memory.dmp

memory/872-62-0x0000000004B10000-0x0000000004B5C000-memory.dmp