Malware Analysis Report

2024-12-06 02:52

Sample ID 241110-a6jhtswbmq
Target 6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c
SHA256 6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c
Tags
healer redline dark 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

6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c

Threat Level: Known bad

The file 6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c was found to be: Known bad.

Malicious Activity Summary

healer redline dark discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Healer

Healer family

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

RedLine

Checks computer location settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:49

Reported

2024-11-10 00:51

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.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

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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Temp\1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Temp\1.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
N/A N/A N/A N/A

Redline family

redline

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Windows\Temp\1.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\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.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\st888840.exe N/A

Enumerates physical storage devices

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\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Temp\1.exe N/A
N/A N/A C:\Windows\Temp\1.exe N/A
N/A N/A C:\Windows\Temp\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Temp\1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4504 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe
PID 4504 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe
PID 4504 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe
PID 4216 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe
PID 4216 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe
PID 4216 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe
PID 2224 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe C:\Windows\Temp\1.exe
PID 2224 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe C:\Windows\Temp\1.exe
PID 4216 wrote to memory of 5224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe
PID 4216 wrote to memory of 5224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe
PID 4216 wrote to memory of 5224 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe
PID 4504 wrote to memory of 5356 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe
PID 4504 wrote to memory of 5356 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe
PID 4504 wrote to memory of 5356 N/A C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe

"C:\Users\Admin\AppData\Local\Temp\6781dca631fd67fbaf9764b8881116f97693f5fb12b5a40c76c84fd801fb5b9c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe

C:\Windows\Temp\1.exe

"C:\Windows\Temp\1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5224 -ip 5224

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5224 -s 1256

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
RU 185.161.248.73:4164 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st888840.exe

MD5 df751d6f4308153e4df435d4423b2fa5
SHA1 23c34b017d71ab45b90c69c9393845f265d7cebf
SHA256 0a570d846ad20bfc0f502dff4cbe7d48f560d44da64bd1fa17a1a480d65f5b7f
SHA512 acf0676397eee6830c74fe0b889555e115256b25b5434be97a875fd26aaab4dd976a88957ac7e39fb81eaecc6258d94d6e8d6d745aefd29fa08dffabc71e8da0

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\66258888.exe

MD5 303042e96781d131814161c64157461f
SHA1 c5e469706ae57ef35ebd6a81c6aef50211b4a1b4
SHA256 26034154e183d3d717677f4692062260c68e4feafee73b91d3f2870bfd0b28b1
SHA512 cd06662a330b7cba29b89b1b4868055941ec33135f5df47e1f1cb4bf82f3cdd2bb4bb7370772961845866139308dcc527e3e5d25f13f224dfb4669918b4bb1bf

memory/2224-14-0x000000007443E000-0x000000007443F000-memory.dmp

memory/2224-15-0x00000000024F0000-0x0000000002548000-memory.dmp

memory/2224-16-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/2224-17-0x0000000004A80000-0x0000000005024000-memory.dmp

memory/2224-18-0x00000000049E0000-0x0000000004A36000-memory.dmp

memory/2224-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/2224-21-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-37-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-83-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-156-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/2224-79-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-77-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-75-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-73-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-71-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-69-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-67-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-65-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-63-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-59-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-57-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-55-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-53-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-51-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-49-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-47-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-43-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-42-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-39-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-35-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-33-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-31-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-29-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-27-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-25-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-23-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-20-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-81-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-61-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-45-0x00000000049E0000-0x0000000004A31000-memory.dmp

memory/2224-2151-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/2224-2149-0x00000000052F0000-0x00000000052FA000-memory.dmp

C:\Windows\Temp\1.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/2224-2164-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/4376-2163-0x0000000000280000-0x000000000028A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp870647.exe

MD5 d5d5948b2f62a100fe4f104965b8af33
SHA1 97d68e14486c8d85519ff66a34939014e43a5ae9
SHA256 4b6d53887a24c992e1ffd46949f36beb0716b64471a321603171f7184f0229dd
SHA512 96a2961027f5e54f178f0fc18b7793070ace88b377db00a3bb4ae155a16e08935b24a5db4e760287fa13fb99f552821802dbd99bba0ffe6b376c55873fdb5e57

memory/5224-2169-0x0000000002970000-0x00000000029D8000-memory.dmp

memory/5224-2170-0x0000000005530000-0x0000000005596000-memory.dmp

memory/5224-4317-0x0000000005760000-0x0000000005792000-memory.dmp

memory/5224-4318-0x00000000057A0000-0x0000000005832000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr625647.exe

MD5 01abc4b6178badd6010022a712a83248
SHA1 017ba5cb1ef81dde3c104e660a7a3afb808356cf
SHA256 8fda880b4deed3a27fe5dceb75e92ccea9645e83842b4f7574e8ead9fefc9f85
SHA512 273d6db32efecfe08cc2a7a5e112d58e91a5dd12f5af5519acdec5f6efff41beb1f4c7cada28ad46696714bca5bf75f117ebfe4c5ca375cd2bfa10898d608a3b

memory/5356-4324-0x0000000000C70000-0x0000000000CA0000-memory.dmp

memory/5356-4325-0x0000000001510000-0x0000000001516000-memory.dmp

memory/5356-4326-0x0000000005D30000-0x0000000006348000-memory.dmp

memory/5356-4327-0x0000000005820000-0x000000000592A000-memory.dmp

memory/5356-4328-0x0000000005730000-0x0000000005742000-memory.dmp

memory/5356-4329-0x0000000005790000-0x00000000057CC000-memory.dmp

memory/5356-4330-0x0000000005930000-0x000000000597C000-memory.dmp