Analysis
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max time kernel
142s -
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 13:45
Static task
static1
Behavioral task
behavioral1
Sample
6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe
Resource
win10v2004-20241007-en
General
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Target
6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe
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Size
408KB
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MD5
8a57b0afa8234ab10e33940c018f0608
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SHA1
eccbd3865a8f29896db660b840a6817641b2a4cc
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SHA256
6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0
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SHA512
91e356279ff21c59edbb6b21dafde5a256f0dbeac48f3aa25930d00aed9abb225a4ecab7118e93ec0ef021f541d869439bcdd8fe1aa98db807c5a62587a37ba8
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SSDEEP
6144:KUy+bnr+lp0yN90QEgZe9PvWsoQO9Q6qtP1JWYmzBbmayjxqpTsF1+:8Mrxy90yEY2tnfmzBb61qpIF1+
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/0x0009000000023ca5-5.dat healer behavioral1/memory/2596-8-0x0000000000580000-0x000000000058A000-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" s4093nx.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s4093nx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s4093nx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s4093nx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s4093nx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s4093nx.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/3728-18-0x0000000002440000-0x0000000002486000-memory.dmp family_redline behavioral1/memory/3728-20-0x0000000005080000-0x00000000050C4000-memory.dmp family_redline behavioral1/memory/3728-30-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-28-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-26-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-24-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-22-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-21-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-36-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-84-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-82-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-80-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-78-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-76-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-74-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-72-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-70-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-68-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-66-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-64-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-62-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-60-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-58-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-56-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-52-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-50-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-48-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-46-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-44-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-42-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-40-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-38-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-34-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-32-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline behavioral1/memory/3728-54-0x0000000005080000-0x00000000050BE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2596 s4093nx.exe 3728 t90Aq90.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s4093nx.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\\\"" 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.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 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t90Aq90.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2596 s4093nx.exe 2596 s4093nx.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2596 s4093nx.exe Token: SeDebugPrivilege 3728 t90Aq90.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1040 wrote to memory of 2596 1040 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe 84 PID 1040 wrote to memory of 2596 1040 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe 84 PID 1040 wrote to memory of 3728 1040 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe 93 PID 1040 wrote to memory of 3728 1040 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe 93 PID 1040 wrote to memory of 3728 1040 6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe"C:\Users\Admin\AppData\Local\Temp\6e8da4ac5f36859a9173fb46b59be3618b54bf43875a8ca71e16b2ec84f535a0.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4093nx.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s4093nx.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t90Aq90.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t90Aq90.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3728
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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
MD57703b533b6e72a90817e85a9fd1f7126
SHA1f4cc506f60b36ddf6474504989a9b171b1418570
SHA256f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d
SHA5123ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031