Analysis
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max time kernel
54s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
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submitted
02/03/2025, 19:13
General
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Target
Captiva.exe
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Size
7.0MB
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MD5
8b7343c22fb99c26da8f3122c6cecdcd
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SHA1
898ebaa6ae8293f24306475ea5029520a1533dbc
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SHA256
fd37270bdce8937cc3cb0d4d99300f537daba57e70f36f40e4c767411f7938cd
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SHA512
8d806c124656ebdf151f92ce9bb6024cb2fe17a5dafeb90c0ceff783c6e8c9044f00bc846727465f64f79946096d60d81d2434ae6cb05b6a18aee5bc05e4ba81
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SSDEEP
98304:c3d8QkJDJ3m0R1yQXvCyCE28yW1cadMykTmERn50gxIbgSZtwzn05A4tcqQVIhvQ:p+0ncq/aDDWqR
Malware Config
Extracted
lumma
https://uprootquincju.shop/api
Signatures
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Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
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Lumma family
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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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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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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Captiva.exe"C:\Users\Admin\AppData\Local\Temp\Captiva.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
376KB