Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-03-2024 21:25
Static task
static1
Behavioral task
behavioral1
Sample
27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe
Resource
win10v2004-20240226-en
General
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Target
27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe
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Size
409KB
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MD5
3d68e79042f1df6927beef9f5ee13165
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SHA1
42cd84d04a0870b9888c4a6eced09f4664679b32
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SHA256
27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a
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SHA512
e4ad110a6ab6cba8e47058608319096464ea57631e7a7ff574f9c80e075f7b8385e433c82d1cecb0a0e731f5503ccd0c04f7c4971f810097df4787f7cc7a31a3
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SSDEEP
6144:Kxy+bnr+g5p0yN90QEvxxib9M9VN4xIlUBZy2IyFJw0rbeDbPmGQ6u6jStueo8Fe:/Mruy907J4xIlUZ7RMubglGl2SE
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/0x00090000000231f7-5.dat healer behavioral1/memory/516-7-0x00000000001C0000-0x00000000001CA000-memory.dmp healer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s3184vA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s3184vA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s3184vA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s3184vA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s3184vA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s3184vA.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/4064-20-0x0000000002540000-0x0000000002586000-memory.dmp family_redline behavioral1/memory/4064-23-0x0000000004AF0000-0x0000000004B34000-memory.dmp family_redline behavioral1/memory/4064-25-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-24-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-27-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-29-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-31-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-33-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-35-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-37-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-39-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-41-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-43-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-45-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-47-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-49-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-51-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-53-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-55-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-57-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-59-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-61-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-63-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-65-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-67-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-69-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-71-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-73-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-75-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-77-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-79-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-81-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-83-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-85-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline behavioral1/memory/4064-87-0x0000000004AF0000-0x0000000004B2E000-memory.dmp family_redline -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 2 IoCs
resource yara_rule behavioral1/files/0x00090000000231f7-5.dat INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/516-7-0x00000000001C0000-0x00000000001CA000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
Executes dropped EXE 2 IoCs
pid Process 516 s3184vA.exe 4064 t03rj74.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s3184vA.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\\\"" 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 516 s3184vA.exe 516 s3184vA.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 516 s3184vA.exe Token: SeDebugPrivilege 4064 t03rj74.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3272 wrote to memory of 516 3272 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe 88 PID 3272 wrote to memory of 516 3272 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe 88 PID 3272 wrote to memory of 4064 3272 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe 97 PID 3272 wrote to memory of 4064 3272 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe 97 PID 3272 wrote to memory of 4064 3272 27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe"C:\Users\Admin\AppData\Local\Temp\27fd380bed920322f0b08855d1d7bb73be0120a0e06c448a7eacc90e7593956a.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3184vA.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3184vA.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t03rj74.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t03rj74.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4064
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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
380KB
MD50e598ae27453b8349302a232a8fa3c8d
SHA1c314d820ba348ec2a155a2fb1d177af33d36d0be
SHA2562ea0bdd6a345b67435ffb4208a1fd0d05057a590cf2030e6b49887815ae6dc44
SHA512918c6c5c7ba2b177f0c837a37e793bfbb7baa34d330a64dfb3497571cb58b9475e5ef222b189df01f06adeec1664164245ed96e01a926021f4432fa109e7d7ec