Analysis
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max time kernel
118s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 00:26
Static task
static1
Behavioral task
behavioral1
Sample
86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe
Resource
win10v2004-20241007-en
General
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Target
86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe
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Size
414KB
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MD5
bb8bf422a47e5272a4196371b2b5c4b0
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SHA1
285c47da150f1b7f6736c50e7636ff659175bc32
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SHA256
86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169
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SHA512
7156df5ad28a40aaa61da071ae1c55e7a2f907de868478ba9d5fb12d08904fb9d60533bbcb333ea46198bbb29bf0d99bab5e6eabdabcd390854479c8d2336049
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SSDEEP
6144:K4y+bnr+Ip0yN90QE45rZAliGvIxoBNc8bMicCHsA/26HwtLim2QJktdRJVxGifW:UMr0y90MqvIxabDHX/2cNMOdRJVluj
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023c82-6.dat healer behavioral1/memory/2348-8-0x0000000000840000-0x000000000084A000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s1635fu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s1635fu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s1635fu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s1635fu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s1635fu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s1635fu.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/2176-18-0x0000000004B70000-0x0000000004BB6000-memory.dmp family_redline behavioral1/memory/2176-20-0x0000000004C00000-0x0000000004C44000-memory.dmp family_redline behavioral1/memory/2176-22-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-32-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-84-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-82-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-80-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-78-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-76-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-74-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-72-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-68-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-66-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-64-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-62-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-60-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-58-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-56-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-54-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-52-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-50-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-48-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-44-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-42-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-40-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-38-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-36-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-34-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-30-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-28-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-26-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-24-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-70-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-46-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline behavioral1/memory/2176-21-0x0000000004C00000-0x0000000004C3E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2348 s1635fu.exe 2176 t38pF21.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s1635fu.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\\\"" 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.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 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t38pF21.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2348 s1635fu.exe 2348 s1635fu.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2348 s1635fu.exe Token: SeDebugPrivilege 2176 t38pF21.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4732 wrote to memory of 2348 4732 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe 83 PID 4732 wrote to memory of 2348 4732 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe 83 PID 4732 wrote to memory of 2176 4732 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe 91 PID 4732 wrote to memory of 2176 4732 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe 91 PID 4732 wrote to memory of 2176 4732 86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe"C:\Users\Admin\AppData\Local\Temp\86753a048e711d2b05158742370584cd90688e271e81ab9fe831451f62e06169N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s1635fu.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s1635fu.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2348
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t38pF21.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t38pF21.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2176
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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
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
392KB
MD5c043039d011fe79d35f7b0bca0e4b9ac
SHA1d9f8d058327a1e2232685832b9785c831b5465dd
SHA2569dee345f969dda3f5c2ba41b9852030043a3c0e03ccea25983c18170a9a1b51c
SHA512032401a08b4f2baf654c0c84d69b9c24821d6497c51f32816920606c458f603188cb3cd0400ce8814d937523765b0e6483a519abb44433bb4af1d6b391839365