Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 16:07
Static task
static1
Behavioral task
behavioral1
Sample
855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe
Resource
win10v2004-20241007-en
General
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Target
855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe
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Size
395KB
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MD5
0a2081fbc022930450069c2106d25832
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SHA1
f07838a82ef7b5d4795e05da0c09feb48f697f73
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SHA256
855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d
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SHA512
5d13eb001a0ba4e9628238164bc07b7ea0a86e07ff2d0cb4e1971339ec19d1faf3e27e0fbd3add118fbe970f4d047e34be6a87295d85c297e4f46839e03e68cf
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SSDEEP
12288:VMr1y90kC8YPNr0NOLMzrUvAHkwmqgqyeW:Iy3C8YP50YLqrBEwLpyeW
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000a000000023bc7-5.dat healer behavioral1/memory/1584-8-0x0000000000D60000-0x0000000000D6A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr174878.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr174878.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr174878.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr174878.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr174878.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr174878.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/5072-18-0x00000000026D0000-0x0000000002716000-memory.dmp family_redline behavioral1/memory/5072-20-0x0000000004E40000-0x0000000004E84000-memory.dmp family_redline behavioral1/memory/5072-28-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-32-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-84-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-82-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-80-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-78-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-76-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-74-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-72-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-70-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-68-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-66-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-62-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-61-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-58-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-56-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-54-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-52-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-51-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-46-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-44-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-42-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-40-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-38-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-36-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-34-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-30-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-64-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-48-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-26-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-24-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-22-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline behavioral1/memory/5072-21-0x0000000004E40000-0x0000000004E7F000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 1584 jr174878.exe 5072 ku201086.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr174878.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process 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\\\"" 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku201086.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1584 jr174878.exe 1584 jr174878.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1584 jr174878.exe Token: SeDebugPrivilege 5072 ku201086.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2300 wrote to memory of 1584 2300 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe 83 PID 2300 wrote to memory of 1584 2300 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe 83 PID 2300 wrote to memory of 5072 2300 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe 93 PID 2300 wrote to memory of 5072 2300 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe 93 PID 2300 wrote to memory of 5072 2300 855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe"C:\Users\Admin\AppData\Local\Temp\855f3c518be062e846f3ccaf43cb19956368c8bbde4331870f2efd186c450f2d.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr174878.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr174878.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1584
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku201086.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku201086.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5072
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
14KB
MD515fc5dc690fa423fc84cb918567756ef
SHA1442579cf2c06875d396b1fcfcb975eefcb058cba
SHA2564af2c8d0dfc50dfacc46c9edf9af6c1e4c1fd2d3f92b0e68efb768dff6db8b95
SHA512520170e04eef47a8e1f623e3acd3b04113d16a8fb602151b49af6f5d9fb90e7217695988898a519eb265038ab75dcf05628de448fa044262715516bc1f7a9cee
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Filesize
352KB
MD577122c30abf2c4be2fe62829c73d5fa0
SHA1011cdf731e44259cb71d742eed95d8823a754116
SHA256de316c37c9ba5a721825bd72e6d4ba7c51e692afce81fcd23b5d17442d751cc2
SHA5128d3b8d2cf1f72fb1b9ca05c5c5b9ad1ecef76923d0cead2fbc85d59b98c164db39c60852c918a728d8c8bafc02c0f4d0db216eb47f38194f655a8b1ad7c641b1