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Analysis
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max time kernel
117s -
max time network
121s -
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, 06:00
Static task
static1
Behavioral task
behavioral1
Sample
4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe
Resource
win10v2004-20241007-en
General
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Target
4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe
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Size
385KB
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MD5
fb37aff5e225eab2b377a5835b7c6c37
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SHA1
891b0f44d11a367bad11512b10aefa2a0d383e0c
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SHA256
4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb
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SHA512
cd6b90d258577efbb46511a82129b3c7ef3ad403acbe6057c422239faa1a9bb86e423339129cc416c354660641fda2a83baa39bc7cc3b282022d128deafafbdd
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SSDEEP
6144:KPy+bnr+Dp0yN90QEphcOWDWHm0snFyA55kiJDl5ZY3ZZReRKZMXGER3LXPui8o7:9Mr3y90GO1Hm0SVNjEJZ4RNXG4L/uQCg
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/0x000c000000023b98-5.dat healer behavioral1/memory/2388-8-0x0000000000A90000-0x0000000000A9A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sf80gk65CI49.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sf80gk65CI49.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sf80gk65CI49.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sf80gk65CI49.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sf80gk65CI49.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sf80gk65CI49.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/2916-18-0x00000000026E0000-0x0000000002726000-memory.dmp family_redline behavioral1/memory/2916-20-0x00000000052B0000-0x00000000052F4000-memory.dmp family_redline behavioral1/memory/2916-30-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-36-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-84-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-82-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-80-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-78-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-74-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-72-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-70-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-66-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-64-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-62-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-61-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-58-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-56-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-54-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-52-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-50-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-48-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-44-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-42-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-40-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-38-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-34-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-32-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-76-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-68-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-46-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-28-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-26-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-24-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-22-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline behavioral1/memory/2916-21-0x00000000052B0000-0x00000000052EE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2388 sf80gk65CI49.exe 2916 tf59Ga30ob79.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sf80gk65CI49.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\\\"" 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.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 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tf59Ga30ob79.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2388 sf80gk65CI49.exe 2388 sf80gk65CI49.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2388 sf80gk65CI49.exe Token: SeDebugPrivilege 2916 tf59Ga30ob79.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3700 wrote to memory of 2388 3700 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe 83 PID 3700 wrote to memory of 2388 3700 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe 83 PID 3700 wrote to memory of 2916 3700 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe 93 PID 3700 wrote to memory of 2916 3700 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe 93 PID 3700 wrote to memory of 2916 3700 4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe"C:\Users\Admin\AppData\Local\Temp\4b6bab5483acddc35ecbfdbbfa4a717f392149865848fd6187d4c247634811bb.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sf80gk65CI49.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sf80gk65CI49.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2388
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tf59Ga30ob79.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tf59Ga30ob79.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2916
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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
MD5b530de265c83d5fe298e29c97e106d63
SHA1c895f9bb76f26056719c587e2e62e23751ef3bd0
SHA2563cefc7b492ac144052388b62f1491823b9559226fd315efa8486011907fc18f7
SHA5124c415590a9862fd6256998e986982d1e03590993349dd0eda21244acf950c143992aa6929747ab8ce82457513a65f54fda8b77434da54af28f603b464f7f1fe2
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Filesize
292KB
MD501f55e38d4139a3f84f11a36dbb67824
SHA128ba3e42c1bd4a60732f8a2b34771aa026253000
SHA2562dcc02ccacc4b825f2b5d18d6139650cad2798618e2fd66cac757735a3824004
SHA51256a9d5e32131b4d7265d3d0f7b049132400d58731717c3437b756b3597743637dce907a9932d4e82cc039e22c747380fe19c560df3dd6d8b0c7a98502a862de0