Analysis
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max time kernel
93s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-12-2024 19:57
Static task
static1
Behavioral task
behavioral1
Sample
5ff31144ee74d5a4f3907af9cac299f3.exe
Resource
win7-20240903-en
General
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Target
5ff31144ee74d5a4f3907af9cac299f3.exe
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Size
1.8MB
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MD5
5ff31144ee74d5a4f3907af9cac299f3
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SHA1
9a7b51551a6bd20f47b264a59f941606eecb4d48
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SHA256
59a902b215031fd5764c623afc91f17f2b1c9b98b4654d78b03851ad75f417b6
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SHA512
7b77d6cbea1e81dd6a08df5a688138dc301d834d93f3cb4f5471dee3a8a6cbe8df53615cb7dea4fbd116aca6b869fb5a3f6940d91823b4b6895d2d4c31d1b12a
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SSDEEP
49152:paJh6XxJgzAwjvciG40z7Ipr8/BpV5A5gcGkar7N:paJOqAwj0iQi4/3GMr7
Malware Config
Extracted
lumma
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Lumma family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" O0EGIVVXYEWVMFIN6NP8V2VYXP.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__ 5ff31144ee74d5a4f3907af9cac299f3.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ TVL8AN7MAV1C5PO10STVRYQE.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\SystemBiosVersion O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion TVL8AN7MAV1C5PO10STVRYQE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion TVL8AN7MAV1C5PO10STVRYQE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5ff31144ee74d5a4f3907af9cac299f3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5ff31144ee74d5a4f3907af9cac299f3.exe -
Executes dropped EXE 2 IoCs
pid Process 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 2140 TVL8AN7MAV1C5PO10STVRYQE.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine TVL8AN7MAV1C5PO10STVRYQE.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine 5ff31144ee74d5a4f3907af9cac299f3.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine O0EGIVVXYEWVMFIN6NP8V2VYXP.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 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" O0EGIVVXYEWVMFIN6NP8V2VYXP.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 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 2140 TVL8AN7MAV1C5PO10STVRYQE.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 5ff31144ee74d5a4f3907af9cac299f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language O0EGIVVXYEWVMFIN6NP8V2VYXP.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TVL8AN7MAV1C5PO10STVRYQE.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe 2140 TVL8AN7MAV1C5PO10STVRYQE.exe 2140 TVL8AN7MAV1C5PO10STVRYQE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1428 O0EGIVVXYEWVMFIN6NP8V2VYXP.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4760 wrote to memory of 1428 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 83 PID 4760 wrote to memory of 1428 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 83 PID 4760 wrote to memory of 1428 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 83 PID 4760 wrote to memory of 2140 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 87 PID 4760 wrote to memory of 2140 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 87 PID 4760 wrote to memory of 2140 4760 5ff31144ee74d5a4f3907af9cac299f3.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\5ff31144ee74d5a4f3907af9cac299f3.exe"C:\Users\Admin\AppData\Local\Temp\5ff31144ee74d5a4f3907af9cac299f3.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:4760 -
C:\Users\Admin\AppData\Local\Temp\O0EGIVVXYEWVMFIN6NP8V2VYXP.exe"C:\Users\Admin\AppData\Local\Temp\O0EGIVVXYEWVMFIN6NP8V2VYXP.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:1428
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C:\Users\Admin\AppData\Local\Temp\TVL8AN7MAV1C5PO10STVRYQE.exe"C:\Users\Admin\AppData\Local\Temp\TVL8AN7MAV1C5PO10STVRYQE.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:2140
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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
1.7MB
MD5ad032d27245fb875c3a6cca4ce138495
SHA139236146bf25941b206f447d1c90521b050d99ff
SHA256024252845c56aaf523d909ad02ddc6dc8160fbc0f5d5caa24b45af09afe3730d
SHA51209379949e8921144f092aca9e5aef72f027a81d8aea82c1986ca262cd5d69173cf23f07c2fa8a6a392eb41191431e6407b614f6384c7d163380e77d0ac36c2fb
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Filesize
2.9MB
MD54452ec57b9f73248dc972b2b312757a8
SHA164864da549ac01ae995614ce1cff74fa4d534d0c
SHA256664e69b71a65f6affb6e66ec4711c67cbebbb58781d49cf5c0a0e2d33d869225
SHA512bb7be4b4529724464300c663bf42a1c4d30e16abb1f156a19161c863d91aad20270ec88f7a5bc74ea88e3415e13e6a65b7f9277a7d1af4742aad06fc3a9bee01