Malware Analysis Report

2024-12-06 02:41

Sample ID 241110-a7wvjsvnfz
Target ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N
SHA256 ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094
Tags
healer redline ruzhpe 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

ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094

Threat Level: Known bad

The file ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N was found to be: Known bad.

Malicious Activity Summary

healer redline ruzhpe discovery dropper evasion infostealer persistence trojan

Redline family

Healer

RedLine payload

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

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

2024-11-10 00:51

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:51

Reported

2024-11-10 00:53

Platform

win10v2004-20241007-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.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\urWt48lU73.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\urWt48lU73.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\urWt48lU73.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.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\urWt48lU73.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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\urWt48lU73.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.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\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.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\ycTk37Mf26.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\IXP000.TMP\ycTk37Mf26.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4592 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe
PID 4592 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe
PID 4592 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe
PID 4468 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe
PID 4468 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe
PID 4468 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe
PID 4468 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe
PID 4468 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe
PID 4468 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe

"C:\Users\Admin\AppData\Local\Temp\ca97aa403f53b2c908df5077d0af0be79d884ddf9948512938815a9f138a3094N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2292 -ip 2292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp
US 8.8.8.8:53 pepunn.com udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTk37Mf26.exe

MD5 f8001afa0cde1cc0229b87177bf62376
SHA1 fc84e6ad4b1b4172fd0f4920ca0d72b06f0b9d89
SHA256 e9322ef8d97a082fa126348e04212ee3b97b4d2a25b9298debe8739a8c07d635
SHA512 0d20ae3908413bb1ade2ec864ebcdb9dd636b145183105cab01e050d43266bc87a01114224cc6c4bc0804d65cb7b5d111e5fd1b015a83a7aa909e05dcda222c9

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urWt48lU73.exe

MD5 4d6127c750dba714c42d895bcda72628
SHA1 948fdd005f57886fca2b3df4696470f2c169aa41
SHA256 491d53538d5bb391ce8e9f1dbba77686e45aac40f2aa3b6c01910f59cc4141e8
SHA512 b2e34cfe309712758ccf5982108f8618c8e93304842471638229cb7ad38d3947ebdc0791d8d4a9d4869b80a8226c0a40d1aca948324f97a51cabbcfd93a16197

memory/2292-15-0x0000000000590000-0x0000000000690000-memory.dmp

memory/2292-17-0x0000000000400000-0x0000000000582000-memory.dmp

memory/2292-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2292-18-0x0000000000400000-0x0000000000582000-memory.dmp

memory/2292-19-0x0000000002340000-0x000000000235A000-memory.dmp

memory/2292-20-0x0000000004D10000-0x00000000052B4000-memory.dmp

memory/2292-21-0x0000000002430000-0x0000000002448000-memory.dmp

memory/2292-45-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-49-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-47-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-43-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-42-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-39-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-37-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-35-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-34-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-31-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-30-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-27-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-25-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-23-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-22-0x0000000002430000-0x0000000002442000-memory.dmp

memory/2292-50-0x0000000000590000-0x0000000000690000-memory.dmp

memory/2292-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2292-54-0x0000000000400000-0x0000000000582000-memory.dmp

memory/2292-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrCt08Rg36.exe

MD5 ad05fcfd3e5c54f2f09e0d5d11cadde8
SHA1 3309af9f3ba27dce1acfe21f1b5e0c025d9da266
SHA256 28668b0252c666afd029f66fd8165adfe4957ab4196f535e1bd58dd1ad4e71b2
SHA512 1c4128526b291a35eebc27947227e02f9abc094dd0d4a4f3d07534476eb54d60cf8324861c4afa479050b5fc41b2a13067f87f6160fcb54605bb459b7e5c8e58

memory/4564-60-0x00000000024D0000-0x0000000002516000-memory.dmp

memory/4564-61-0x0000000002660000-0x00000000026A4000-memory.dmp

memory/4564-73-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-75-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-93-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-91-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-89-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-87-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-86-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-83-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-81-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-79-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-77-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-71-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-69-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-95-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-67-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-65-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-63-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-62-0x0000000002660000-0x000000000269E000-memory.dmp

memory/4564-968-0x0000000005290000-0x00000000058A8000-memory.dmp

memory/4564-969-0x00000000058B0000-0x00000000059BA000-memory.dmp

memory/4564-970-0x00000000059C0000-0x00000000059D2000-memory.dmp

memory/4564-971-0x00000000059E0000-0x0000000005A1C000-memory.dmp

memory/4564-972-0x0000000005B20000-0x0000000005B6C000-memory.dmp