Analysis
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max time kernel
125s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 23:34
Static task
static1
Behavioral task
behavioral1
Sample
38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe
Resource
win10v2004-20241007-en
General
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Target
38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe
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Size
724KB
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MD5
d7cb04121be8f436a9412d365d9637d1
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SHA1
edac61453cf6db08f0e0c727590da668e0dd65b1
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SHA256
38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292
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SHA512
a8bc7d0f005000b5b08894825d5be3f58ac29ac705a6fee7432d6dd9fe38d9e39c8f56ed64117123eba21adeeb77e1eb7c97eeb50dea1ac1ff84e22ceccb154f
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SSDEEP
12288:PMrpy90+7NE6xViszNWuoxD2MVMIeeGscwiLAP/kCjWcGVInA8aW+A8OQODqXf1R:ayz7DV9zNxGDfVMBeGsvWA0CS1CMCJWf
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023ca8-19.dat healer behavioral1/memory/2212-22-0x0000000000410000-0x000000000041A000-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\DisableOnAccessProtection = "1" fDg56xw.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" fDg56xw.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" fDg56xw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection fDg56xw.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" fDg56xw.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" fDg56xw.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023ca9-25.dat family_redline behavioral1/memory/4792-27-0x00000000001A0000-0x00000000001D2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 3608 sej69yD.exe 2276 sHy76Kr.exe 2212 fDg56xw.exe 4792 hki27tJ.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" fDg56xw.exe -
Adds Run key to start application 2 TTPs 3 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\\\"" 38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" sej69yD.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" sHy76Kr.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sej69yD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sHy76Kr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hki27tJ.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2212 fDg56xw.exe 2212 fDg56xw.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2212 fDg56xw.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 5116 wrote to memory of 3608 5116 38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe 87 PID 5116 wrote to memory of 3608 5116 38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe 87 PID 5116 wrote to memory of 3608 5116 38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe 87 PID 3608 wrote to memory of 2276 3608 sej69yD.exe 88 PID 3608 wrote to memory of 2276 3608 sej69yD.exe 88 PID 3608 wrote to memory of 2276 3608 sej69yD.exe 88 PID 2276 wrote to memory of 2212 2276 sHy76Kr.exe 89 PID 2276 wrote to memory of 2212 2276 sHy76Kr.exe 89 PID 2276 wrote to memory of 4792 2276 sHy76Kr.exe 99 PID 2276 wrote to memory of 4792 2276 sHy76Kr.exe 99 PID 2276 wrote to memory of 4792 2276 sHy76Kr.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe"C:\Users\Admin\AppData\Local\Temp\38e4e04b31c0bf0cb6e9596e20ec93f98d0c33d1eb5e35a1a67455c64f055292.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sej69yD.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sej69yD.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHy76Kr.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sHy76Kr.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fDg56xw.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fDg56xw.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hki27tJ.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hki27tJ.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4792
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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
537KB
MD519eb3674fb70ff99dcdf6f3a973ce2a1
SHA17babb8354ab4d201d3f740fca42ea2f651e69860
SHA256422677e1556b819a889d1e036803eaa63a20657fa26c57c0c3ffa56f7f2a41dd
SHA512edd8fac29f662f2738ab293f04f43fbf86635b2f36a4bd91180d324b570e31864f4049c5b851e547babf6139707369deff407c664bada49850df62355b37ad16
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Filesize
202KB
MD5f030ead0190c8a2fab28d47d5c37192b
SHA1908f44728e48186ac6bd04c9c593a4cfbbc81c50
SHA256256a04179fe6868e9f39c2d28b0f9fde5bf17785d26f0a8d8ebbc5345f28736d
SHA5121802728378499a2db308865a8b910f457b2f575e9d902c3d29fc8c4277c537e763fe76ab10e77d9d5a9c83f1bf1e8a626c78495882d3f55aad677a1c3592fd5b
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2