Analysis
- max time kernel
94s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
28/12/2024, 08:30
General
- Target ab11dfd0b452b30b6248e72154d88e99.exe
- Size 1.8MB
- Sample241228-kd64jaxmgr
- SHA256 c2e35ee8349589398250b8fa84c3c00b0ed621fab5fba8196ec7253d009ea952
Malware Config
Extracted
-
lumma
-
https://hummskitnj.buzz/api
-
https://cashfuzysao.buzz/api
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https://appliacnesot.buzz/api
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https://screwamusresz.buzz/api
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https://inherineau.buzz/api
-
https://scentniej.buzz/api
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https://rebuildeso.buzz/api
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https://prisonyfork.buzz/api
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https://mindhandru.buzz/api
Signatures
- Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
- Lumma family
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab11dfd0b452b30b6248e72154d88e99.exe"C:\Users\Admin\AppData\Local\Temp\ab11dfd0b452b30b6248e72154d88e99.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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3820-0-0x0000000000440000-0x00000000008F0000-memory.dmp
memory/3820-1-0x0000000077114000-0x0000000077116000-memory.dmp
memory/3820-2-0x0000000000441000-0x0000000000468000-memory.dmp
memory/3820-3-0x0000000000440000-0x00000000008F0000-memory.dmp
memory/3820-4-0x0000000000440000-0x00000000008F0000-memory.dmp