Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 16:14
Static task
static1
Behavioral task
behavioral1
Sample
9b88afc4511d0fe8aca6080d34f2dd66.exe
Resource
win7-20241010-en
General
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Target
9b88afc4511d0fe8aca6080d34f2dd66.exe
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Size
1.8MB
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MD5
9b88afc4511d0fe8aca6080d34f2dd66
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SHA1
4d0abcc2f053e2b17d3064f65dffc171f873b043
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SHA256
5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004
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SHA512
f4e9c5bbbb27eb07c192226390833714b82b94cfa4a9fb6b0e0a75ece7b51eb009b9c2bdc3b70c2ee77a56b7496c1251c50888471cddf32a2f307eaf134b1490
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SSDEEP
49152:5Ir6N++PRgxCGbe4K9FTTH/e3p7IJIZ1KFvGTPeMXPgnktG:t+PHbe4qe5601ssGM/Nt
Malware Config
Extracted
lumma
https://sordid-snaked.cyou/api
https://awake-weaves.cyou/api
https://wrathful-jammy.cyou/api
https://debonairnukk.xyz/api
https://diffuculttan.xyz/api
https://effecterectz.xyz/api
https://deafeninggeh.biz/api
https://immureprech.biz/api
https://tacitglibbr.biz/api
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Extracted
lumma
https://tacitglibbr.biz/api
Signatures
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Lumma family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 5Y3LBAWQDHEC5T6AP41.exe -
Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9b88afc4511d0fe8aca6080d34f2dd66.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5Y3LBAWQDHEC5T6AP41.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ JKGSGUO8J7LRMEK0PADUNDZ.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion JKGSGUO8J7LRMEK0PADUNDZ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9b88afc4511d0fe8aca6080d34f2dd66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9b88afc4511d0fe8aca6080d34f2dd66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5Y3LBAWQDHEC5T6AP41.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5Y3LBAWQDHEC5T6AP41.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion JKGSGUO8J7LRMEK0PADUNDZ.exe -
Executes dropped EXE 2 IoCs
pid Process 3060 5Y3LBAWQDHEC5T6AP41.exe 836 JKGSGUO8J7LRMEK0PADUNDZ.exe -
Identifies Wine through registry keys 2 TTPs 3 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine JKGSGUO8J7LRMEK0PADUNDZ.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine 9b88afc4511d0fe8aca6080d34f2dd66.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine 5Y3LBAWQDHEC5T6AP41.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 5Y3LBAWQDHEC5T6AP41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 5Y3LBAWQDHEC5T6AP41.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3060 5Y3LBAWQDHEC5T6AP41.exe 836 JKGSGUO8J7LRMEK0PADUNDZ.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 9b88afc4511d0fe8aca6080d34f2dd66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5Y3LBAWQDHEC5T6AP41.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JKGSGUO8J7LRMEK0PADUNDZ.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 3060 5Y3LBAWQDHEC5T6AP41.exe 3060 5Y3LBAWQDHEC5T6AP41.exe 3060 5Y3LBAWQDHEC5T6AP41.exe 3060 5Y3LBAWQDHEC5T6AP41.exe 836 JKGSGUO8J7LRMEK0PADUNDZ.exe 836 JKGSGUO8J7LRMEK0PADUNDZ.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3060 5Y3LBAWQDHEC5T6AP41.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3280 wrote to memory of 3060 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 87 PID 3280 wrote to memory of 3060 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 87 PID 3280 wrote to memory of 3060 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 87 PID 3280 wrote to memory of 836 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 91 PID 3280 wrote to memory of 836 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 91 PID 3280 wrote to memory of 836 3280 9b88afc4511d0fe8aca6080d34f2dd66.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\9b88afc4511d0fe8aca6080d34f2dd66.exe"C:\Users\Admin\AppData\Local\Temp\9b88afc4511d0fe8aca6080d34f2dd66.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Users\Admin\AppData\Local\Temp\5Y3LBAWQDHEC5T6AP41.exe"C:\Users\Admin\AppData\Local\Temp\5Y3LBAWQDHEC5T6AP41.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060
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C:\Users\Admin\AppData\Local\Temp\JKGSGUO8J7LRMEK0PADUNDZ.exe"C:\Users\Admin\AppData\Local\Temp\JKGSGUO8J7LRMEK0PADUNDZ.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:836
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
2Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.7MB
MD57d60d18dcc44e074d7392384743481fe
SHA1fe4d910529c03762fba8f8df5cf405f5e6f1c30f
SHA25662e97f2c558313f494a3554fe24ba552da64f709a98e4880a5a6b621dc89f789
SHA51283b8bfbac6d666b4d2e34c563165375ea3b55a77c346ef23ed033ad7a1e5c2c750a45833f33a01dc0f8d826a9b68296433d4492e65c83ad5005a734028e5301d
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Filesize
1.7MB
MD5014fe2951180116a9eb43716b0a2b669
SHA124468a745c1b4cdd34cf350fd018181df5a228db
SHA2565258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac
SHA512c65e5e2fcdb415571377e7b60bce42e430ebaeb8ae6857bd224d165fc8ba2220cce722c81996434d096463d8ebb8b3f04b07e27aac7bf0605619c86b25618c04