Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 13:17
Static task
static1
Behavioral task
behavioral1
Sample
1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe
Resource
win10v2004-20241007-en
General
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Target
1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe
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Size
386KB
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MD5
dc16cc40f6f31ead9ec83cdea28b4bbd
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SHA1
5477eb029b86cba2471d85795b8ba92d3aded891
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SHA256
1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891
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SHA512
02b18980f52dae896c782efd10cf51d8c62c580a75d4404459e71c03a0d7783f347b6ec86fd93b80f771ba6afa7f789e4819b8a997576ec6c8a218ab07e5a28b
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SSDEEP
12288:tMrHy90e8uhxCpyPRFwmX8yxeaoWRE4ct:iyB7xCojwmsyMaoWKt
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b7c-6.dat healer behavioral1/memory/3720-8-0x00000000005A0000-0x00000000005AA000-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\DisableScanOnRealtimeEnable = "1" s3984qZ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s3984qZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s3984qZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s3984qZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s3984qZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s3984qZ.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/4076-18-0x0000000002380000-0x00000000023C6000-memory.dmp family_redline behavioral1/memory/4076-20-0x0000000004A40000-0x0000000004A84000-memory.dmp family_redline behavioral1/memory/4076-22-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-21-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-36-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-84-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-83-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-80-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-78-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-76-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-72-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-70-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-68-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-67-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-64-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-62-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-60-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-58-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-56-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-54-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-52-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-50-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-48-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-44-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-42-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-41-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-38-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-34-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-32-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-30-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-28-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-26-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-24-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-74-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline behavioral1/memory/4076-46-0x0000000004A40000-0x0000000004A7E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3720 s3984qZ.exe 4076 t55HJ41.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s3984qZ.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\\\"" 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.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 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t55HJ41.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3720 s3984qZ.exe 3720 s3984qZ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3720 s3984qZ.exe Token: SeDebugPrivilege 4076 t55HJ41.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2264 wrote to memory of 3720 2264 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe 84 PID 2264 wrote to memory of 3720 2264 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe 84 PID 2264 wrote to memory of 4076 2264 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe 93 PID 2264 wrote to memory of 4076 2264 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe 93 PID 2264 wrote to memory of 4076 2264 1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe"C:\Users\Admin\AppData\Local\Temp\1b1d21889cac62b830a7dded7216d1124c737259ca967aedd71872a34c039891.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3984qZ.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3984qZ.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t55HJ41.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t55HJ41.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4076
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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
301KB
MD5b0ea2c24f02506398abaae01d66def14
SHA168d8be92847434061877ecd6a6e2542895129a8b
SHA256bbaadb0917566495a400596ca4d3b3803aa7f6f49f82071a4f146c831da9794a
SHA512960f679b693196b7f4bb67edfc03b6b867014fd2e697d3990ebd24795df40725c6979fae1f06d568cc588eee6796ab88d0a68a0fc17cb614fc6e9381c07e88b8