Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 21:47
Static task
static1
Behavioral task
behavioral1
Sample
27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe
Resource
win10v2004-20241007-en
General
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Target
27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe
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Size
409KB
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MD5
25e0c582246025bf2cfeb9742e327900
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SHA1
78ab2ff9fb07a7e275975ef7f290576d657f26f5
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SHA256
27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9
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SHA512
8640eac250b827ac06930d05dfa8b8c28e76320483ce8bac77dae313fa6c07ca2da0a4afb276f39a4c5aa2986d7678fccf0deca21ac7ed64a591b38f7a475827
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SSDEEP
6144:Kdy+bnr+8p0yN90QEvVw+oMY0G1GA4q9bUC1oif/F9FMxpUkx9wwso1IH3txW:bMrgy90tVlun1Z/DoO/F9GxpUkYi1x
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/0x000b000000023b81-5.dat healer behavioral1/memory/3460-8-0x00000000006B0000-0x00000000006BA000-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" s3417KW.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s3417KW.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s3417KW.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s3417KW.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s3417KW.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s3417KW.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/2348-18-0x00000000025E0000-0x0000000002626000-memory.dmp family_redline behavioral1/memory/2348-20-0x0000000005090000-0x00000000050D4000-memory.dmp family_redline behavioral1/memory/2348-24-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-30-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-84-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-82-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-80-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-78-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-74-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-72-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-71-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-68-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-66-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-64-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-62-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-60-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-58-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-56-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-54-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-50-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-49-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-46-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-44-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-43-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-38-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-36-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-35-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-32-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-28-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-26-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-76-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-52-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-40-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-22-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/2348-21-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3460 s3417KW.exe 2348 t13wa90.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s3417KW.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\\\"" 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.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 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t13wa90.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3460 s3417KW.exe 3460 s3417KW.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3460 s3417KW.exe Token: SeDebugPrivilege 2348 t13wa90.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3768 wrote to memory of 3460 3768 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe 83 PID 3768 wrote to memory of 3460 3768 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe 83 PID 3768 wrote to memory of 2348 3768 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe 91 PID 3768 wrote to memory of 2348 3768 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe 91 PID 3768 wrote to memory of 2348 3768 27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe"C:\Users\Admin\AppData\Local\Temp\27b91a0916315bcd7ff75a66518ef8e52150d5e85e1e122a0b6139cc7b6bada9.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3417KW.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3417KW.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3460
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t13wa90.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t13wa90.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2348
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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
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
380KB
MD53eae553b1ab5c32fdb2f19bf48bd9d9f
SHA1d54a39f3c309c7c51dc2efd21d1f7fa661d4c21c
SHA25655d2e25464193f0d9347a4259ad9140a1e5144cc2a16891228571e277f56cb0d
SHA51252176677d976c426a1315c9a913920c3a8a8085def9ace65ed269ac5462049e9b0bd6421b1c9aea2cfb1842915450a43f2f020d346a04ff6a55ee9e261128b61