Malware Analysis Report

2024-12-07 03:50

Sample ID 241113-rpexrawrdj
Target a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.exe
SHA256 a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c
Tags
healer redline dubik 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

a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c

Threat Level: Known bad

The file a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.exe was found to be: Known bad.

Malicious Activity Summary

healer redline dubik discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

Healer family

RedLine

RedLine payload

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:21

Reported

2024-11-13 14:23

Platform

win10v2004-20241007-en

Max time kernel

115s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.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

Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndv09jb.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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.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\a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.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\a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndv09jb.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.exe

"C:\Users\Admin\AppData\Local\Temp\a9f3e683ed19081250f148e4bdeb54f25add8e11a879eb8abda99e11f5c87b2c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndv09jb.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndv09jb.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kOp06vO.exe

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

memory/4168-8-0x0000000000870000-0x000000000087A000-memory.dmp

memory/4168-7-0x00007FF989453000-0x00007FF989455000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndv09jb.exe

MD5 cddbd387c5c8bb5e8a8ad341f7d05475
SHA1 1ae74b1a19a38a736b5321b41de10a48ab72eddc
SHA256 c531095f91211aea5e7ed61228c557ea1718605e8840e9ca61e3e652d4634d2d
SHA512 ce5ad725decbc063176ef313413112618506ca5863ced90beb5f59ef844d3c0b77bda05be04d1e0337731d2f2eca58f4ad98070d1aa55315879528f9be0f6a0e

memory/4880-13-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

memory/4880-14-0x0000000000930000-0x0000000000962000-memory.dmp

memory/4880-15-0x00000000058C0000-0x0000000005ED8000-memory.dmp

memory/4880-16-0x0000000005410000-0x000000000551A000-memory.dmp

memory/4880-17-0x0000000005340000-0x0000000005352000-memory.dmp

memory/4880-18-0x00000000053A0000-0x00000000053DC000-memory.dmp

memory/4880-19-0x0000000005520000-0x000000000556C000-memory.dmp

memory/4880-20-0x0000000073C0E000-0x0000000073C0F000-memory.dmp