Malware Analysis Report

2024-12-06 02:42

Sample ID 241110-a5yalaymbm
Target db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6
SHA256 db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6
Tags
healer redline misar 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

db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6

Threat Level: Known bad

The file db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6 was found to be: Known bad.

Malicious Activity Summary

healer redline misar discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

Healer

Healer family

RedLine payload

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:48

Reported

2024-11-10 00:50

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\a5740455.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\a5740455.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\a5740455.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\a5740455.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\a5740455.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\a5740455.exe N/A

RedLine

infostealer redline

RedLine payload

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

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\a5740455.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.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\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.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\v2393738.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\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2844 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe
PID 2844 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe
PID 2844 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe
PID 4520 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe
PID 4520 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe
PID 4520 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe
PID 4520 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe
PID 4520 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe
PID 4520 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe

Processes

C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe

"C:\Users\Admin\AppData\Local\Temp\db9219d75da53ab1468d533b43e5628085e72fe7a75586ea2d044c5d3b561ee6.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2393738.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.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 73.31.126.40.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 29.243.111.52.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\v2393738.exe

MD5 cf08ab51407ef0ab37f178227438f4ec
SHA1 c0232f209ac6625624d68489f778e829be202619
SHA256 7207e0e8bd9347b0037a7fdbbba3534b766278edf87db17b0849f091865b8ead
SHA512 f4369609f0cbe0b7d4f28073c4cf9161394a0fd202a313d4498054df6028373b0b45cc00211818f38c189ad8f1bdf38bf5012e9a140cf31916e8a4ea84c09de3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5740455.exe

MD5 e3a4d695ff5627fa8e06e9ec6fe2b76d
SHA1 468e4ce0aa64bbf520fd24542b800f066bfc39d2
SHA256 bd4713a852eb1f27fa1866b46597183a143c68c4a3b7762b11553f92f17456a2
SHA512 71e303195caf231c34206ffb0c1a4e561dd19a156aaa7f20ee1b641534ed4bcf8dda83663fce82bc51dae349aefb1b09a6aa3d338440c08b474970e1e15009c1

memory/4308-14-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/4308-15-0x00000000024E0000-0x00000000024FA000-memory.dmp

memory/4308-16-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/4308-17-0x0000000004BF0000-0x0000000005194000-memory.dmp

memory/4308-18-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/4308-19-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/4308-48-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/4308-47-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-45-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-43-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-41-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-39-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-37-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-35-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-33-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-31-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-29-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-27-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-25-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-23-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/4308-49-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/4308-50-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/4308-52-0x0000000074A70000-0x0000000075220000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1786795.exe

MD5 a2c68c72e766135cf85e68ccc66e4269
SHA1 319a9ae1af638f3dccfd3d6b629a43038e658a55
SHA256 ebe1a12c7ea373bb78a2a113088eb09a561f4f2a80c84e3b72b4cdbf28f948a6
SHA512 94d327d6512f3e3dd4a17ddc16391e30f653965333178c44af884de432471016ed4732ec81a947c9b89e504f5bb400339abf99c7989c3204072ebbd45f81f4b5

memory/1264-56-0x0000000000240000-0x0000000000270000-memory.dmp

memory/1264-57-0x0000000004A50000-0x0000000004A56000-memory.dmp

memory/1264-58-0x000000000A6E0000-0x000000000ACF8000-memory.dmp

memory/1264-59-0x000000000A1E0000-0x000000000A2EA000-memory.dmp

memory/1264-60-0x000000000A110000-0x000000000A122000-memory.dmp

memory/1264-61-0x000000000A170000-0x000000000A1AC000-memory.dmp

memory/1264-62-0x0000000004520000-0x000000000456C000-memory.dmp