Malware Analysis Report

2024-12-06 02:57

Sample ID 241110-chfhdawnf1
Target 9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490
SHA256 9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490
Tags
healer redline rumfa 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

9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490

Threat Level: Known bad

The file 9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490 was found to be: Known bad.

Malicious Activity Summary

healer redline rumfa discovery dropper evasion infostealer persistence trojan

Healer family

Healer

Detects Healer an antivirus disabler dropper

RedLine payload

Redline family

RedLine

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 02:04

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:04

Reported

2024-11-10 02:06

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

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\IXP001.TMP\sw84lU22uB89.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\9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490.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\vbi8843Sb.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\9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vbi8843Sb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toO17zZ96.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toO17zZ96.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490.exe

"C:\Users\Admin\AppData\Local\Temp\9b5ce2b2012c4b89bf57ccf86c6b5f6adb8df3f9876b0d44d5afe5104f940490.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vbi8843Sb.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vbi8843Sb.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toO17zZ96.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toO17zZ96.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 106.246.116.51.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vbi8843Sb.exe

MD5 0cf6a17fe59309a85688e747376c99ce
SHA1 2646aa43532360156f6486815222b733eb07047a
SHA256 eb4c41693bb7d9bc22790a5dcb6d2abae89daf49e29abb5299597e7e43ad49c0
SHA512 748f3a86fa644032f8c86d2c1aec861a6542d7927ebc2741982e6e55a080de01b617dae9b3eb22c0ed9c250a21ad3b21ee01cf7c5f1067f98672c4fa0a47eb83

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw84lU22uB89.exe

MD5 aeb5ce8afb9c701142b86cc0655c69fa
SHA1 46cb0f1a33d46364b067b18f3228a6059d7669a2
SHA256 65f600c866a8fd36e0bc86336a2d338fd30e758d17a8cded50a702473cf291f4
SHA512 336a1566e86702b3cd354b7036edb4ea9f714955c569574995a53c62d518c38a3598dfb9bfc7c81667420bc660d5ff4b7afd4578bb60aaae36def3df44e5dbd2

memory/2852-14-0x00007FFD0B4A3000-0x00007FFD0B4A5000-memory.dmp

memory/2852-15-0x0000000000A20000-0x0000000000A2A000-memory.dmp

memory/2852-16-0x00007FFD0B4A3000-0x00007FFD0B4A5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toO17zZ96.exe

MD5 049b7e9c3b3777fd130ad01127cd8268
SHA1 7f56ea5b4e7029a2da226d899ddfce99ff960e0f
SHA256 aff2553c6b6d9a7f84838eb4a2b47cbb3891e122ba04e305c020e68b27847b68
SHA512 d89cdb1b58ceb4d9b83ab498fc69e5c423b9f44ea2eb24a07b860a6594462899cb1d08e5427dd57473fa2b15d233744f7f7e9fd5f7ae082387a0072c278e0aa1

memory/3436-22-0x0000000004BB0000-0x0000000004BF6000-memory.dmp

memory/3436-23-0x0000000007260000-0x0000000007804000-memory.dmp

memory/3436-24-0x0000000004C80000-0x0000000004CC4000-memory.dmp

memory/3436-28-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-40-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-88-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-86-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-84-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-82-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-80-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-78-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-76-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-74-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-70-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-68-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-67-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-64-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-62-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-61-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-58-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-56-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-54-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-52-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-51-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-48-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-46-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-44-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-42-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-38-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-36-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-34-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-32-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-30-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-72-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-26-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-25-0x0000000004C80000-0x0000000004CBE000-memory.dmp

memory/3436-931-0x0000000007950000-0x0000000007F68000-memory.dmp

memory/3436-932-0x0000000007FE0000-0x00000000080EA000-memory.dmp

memory/3436-933-0x0000000008120000-0x0000000008132000-memory.dmp

memory/3436-934-0x0000000008140000-0x000000000817C000-memory.dmp

memory/3436-935-0x0000000008290000-0x00000000082DC000-memory.dmp