Analysis
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max time kernel
118s -
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
18/11/2024, 17:51
Static task
static1
Behavioral task
behavioral1
Sample
efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe
Resource
win10v2004-20241007-en
General
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Target
efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe
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Size
414KB
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MD5
4179f741f68de26c92cf1adb119c7ff4
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SHA1
4ec3288283966b2dff1c7966d00e923e34ab4ac9
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SHA256
efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76
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SHA512
717b4d0d985c5ed5c7bbe08d729059a457245e82c6ba0d7f63d44e332829727d506d0681d04b9bd21ff1bf220adc78067d6fb44f0724f91ccc947404150b8b6c
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SSDEEP
6144:mMp0yN90QEIKNvrqfbDZQqF1VhoA/MFJeZBmJWUyNeSdQV9wK3Qh7dw:Ey907BGzpTFYi3owKAldw
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0009000000023c92-6.dat healer behavioral1/memory/2132-8-0x0000000000130000-0x000000000013A000-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" it021585.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" it021585.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" it021585.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" it021585.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" it021585.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection it021585.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/3520-18-0x0000000004B60000-0x0000000004B9C000-memory.dmp family_redline behavioral1/memory/3520-20-0x0000000004E50000-0x0000000004E8A000-memory.dmp family_redline behavioral1/memory/3520-74-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-84-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-82-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-80-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-78-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-76-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-72-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-70-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-68-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-66-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-64-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-62-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-60-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-58-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-56-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-54-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-52-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-48-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-46-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-45-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-40-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-38-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-36-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-34-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-32-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-30-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-28-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-26-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-24-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-22-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-50-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-42-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline behavioral1/memory/3520-21-0x0000000004E50000-0x0000000004E85000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2132 it021585.exe 3520 jr263223.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" it021585.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\\\"" efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.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 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jr263223.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2132 it021585.exe 2132 it021585.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2132 it021585.exe Token: SeDebugPrivilege 3520 jr263223.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4292 wrote to memory of 2132 4292 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe 83 PID 4292 wrote to memory of 2132 4292 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe 83 PID 4292 wrote to memory of 3520 4292 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe 89 PID 4292 wrote to memory of 3520 4292 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe 89 PID 4292 wrote to memory of 3520 4292 efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe"C:\Users\Admin\AppData\Local\Temp\efbbe55afde7a468fd259b9f01287b8e8bbcbfbf88094a25019711455afc0f76.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it021585.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it021585.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr263223.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr263223.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3520
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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
359KB
MD57b06ddc0b5cf34f94d48038e75f2945d
SHA18c8b7fa4530aa5fad9ac884de199c3f0bf656157
SHA25651ea65301e26bb9c9ba5ce35b4091f37fe5b7cb820f1070a3ad11bdc7e71f308
SHA51280d0f802f9b73763c4bc1baa34eca8a2acc64999811f20ac3870748551d0104d67b814f238e499208c9d5187ccd5ccdd4ccba41be5dfbbd2ddb047b39502e129