Analysis
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max time kernel
116s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 02:26
Static task
static1
Behavioral task
behavioral1
Sample
f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe
Resource
win10v2004-20241007-en
General
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Target
f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe
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Size
537KB
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MD5
9ea5bf6314ba66869d94055f87beb1e0
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SHA1
7ac6b71f8e5e44ffb986e60dac66ae65c1f3a5a1
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SHA256
80beacf93d19821cd529c23e740eb29fbc85929e60e3e9d6fc3639d6a5d6cc44
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SHA512
7b82b54709c47e565dd095b86e1223d190153ca714d0dd0dd6d148afcc0accd0fa726f2c4043b50f279ae76b8b165d30ad3dce34c70faf2f063e7b7737939da2
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SSDEEP
12288:uMr+y90jHJzYlOQSsF3QrUzPHfw8tc5EgYE7YI7N:0y0H+SKArC/w8tWM0N
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/0x000b000000023b7a-12.dat healer behavioral1/memory/764-15-0x0000000000CF0000-0x0000000000CFA000-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\DisableOnAccessProtection = "1" jr882881.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr882881.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr882881.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr882881.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr882881.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr882881.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/1596-22-0x0000000002800000-0x0000000002846000-memory.dmp family_redline behavioral1/memory/1596-24-0x00000000029E0000-0x0000000002A24000-memory.dmp family_redline behavioral1/memory/1596-32-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-42-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-88-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-86-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-82-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-80-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-78-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-76-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-74-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-70-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-68-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-66-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-64-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-62-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-56-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-54-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-52-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-50-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-48-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-46-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-40-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-38-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-36-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-34-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-84-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-72-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-60-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-58-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-44-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-30-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-28-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-26-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline behavioral1/memory/1596-25-0x00000000029E0000-0x0000000002A1F000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 3964 zipK4510.exe 764 jr882881.exe 1596 ku117094.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr882881.exe -
Adds Run key to start application 2 TTPs 2 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\\\"" f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe 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\\\"" zipK4510.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zipK4510.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku117094.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 764 jr882881.exe 764 jr882881.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 764 jr882881.exe Token: SeDebugPrivilege 1596 ku117094.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1484 wrote to memory of 3964 1484 f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe 83 PID 1484 wrote to memory of 3964 1484 f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe 83 PID 1484 wrote to memory of 3964 1484 f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe 83 PID 3964 wrote to memory of 764 3964 zipK4510.exe 84 PID 3964 wrote to memory of 764 3964 zipK4510.exe 84 PID 3964 wrote to memory of 1596 3964 zipK4510.exe 93 PID 3964 wrote to memory of 1596 3964 zipK4510.exe 93 PID 3964 wrote to memory of 1596 3964 zipK4510.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe"C:\Users\Admin\AppData\Local\Temp\f1fa8a9fc638f6bc2e7ebbcd259e1b8d1e223db84102e13dd00bef318d3e9a8aN.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zipK4510.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zipK4510.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr882881.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr882881.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku117094.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku117094.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1596
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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
395KB
MD545b654618902bb7911af53e427c8c1a4
SHA12df6e1c1803ed8e81d5cc0c20560b42f43613bf5
SHA2563fa74932e59496be72f0e57d1e2d2384914162f348588981f521e1543f2e8324
SHA51285a4a647593bdfd6a17231b5d91f9197e85544f56a10222ef2c3f54b0b6f6a317a6132fed2dee45f2fe4c0b6284d7a46dad4b90bd97937ab9fa1baea710d8596
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Filesize
13KB
MD5b385135c441ae05fdc9e191a10ed0110
SHA1645a1099f8aaa9901bb7e920e656bcbd147429cc
SHA2560331551b2b8b0bfa9e44b0c547d97a9fcaccf8e03889ba9e6bd8e63d2fc692cc
SHA512146f82c2b8643c3b98c1b392cb0b9442d346b6b057b5dafc568fb30c19e06e7f2fb36f3a997d74a58402255e2a03b1c8e80d6b27b2f906e1babf698ee3ed0d37
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Filesize
352KB
MD5943a8ca8f8b78e6f4c488dc1da009894
SHA1bb96a2bec30a8ef74d2d96bf4485a977b271b30c
SHA256429aed8c4e17da9fe317f9152e3f8a0457d2c290c6befe2c16aaca5eb0afc612
SHA512d8677224307584404ad40afa80d994d09b644b13550129a3ba55c92ef7dbdc4f84ec61db354a5c220b4c75b3899f2767dcbf5d0d1964d5fda3860b6caeaf0fda