Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/06/2026, 18:10
General
- Target tmprcwwf4dw.exe
- Size 2.0MB
- Sample260601-wr5cmscv6z
- SHA256 2ace7840b3df6d6a02556c76c75d51bcd34fbb52f06e952ddda7ada28493b644
Malware Config
Extracted
-
lumma
-
https://centegn.cyou
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https://egyptnf.click/xxx
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https://familbg.club/help
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https://genusne.click/caccc
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https://mobbyyt.club/info
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https://lumpeem.quest/main
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https://thundut.biz/create
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https://workltt.quest/owner
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https://watchhr.biz/manifest
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build_id
a6d53f6f9422d688de33c3cf7201cb824a0e7c53ae4bf3f1
Signatures
- Family: Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmprcwwf4dw.exe"C:\Users\Admin\AppData\Local\Temp\tmprcwwf4dw.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\Screenshot album\H4Z5zriixO6yziJzMazVeAEq.exe"C:\Users\Admin\Documents\Screenshot album\H4Z5zriixO6yziJzMazVeAEq.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
H4Z5zriixO6yziJzMazVeAEq.exe
memory/1616-0-0x0000000140000000-0x000000014004E000-memory.dmp
memory/1616-11-0x0000000140000000-0x000000014004E000-memory.dmp
memory/4484-12-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4484-13-0x0000000000400000-0x000000000045D000-memory.dmp