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Analysis
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max time kernel
141s -
max time network
138s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
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submitted
11/10/2024, 20:56
General
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Target
stail.exe
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Size
4.0MB
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MD5
882f0efe9d2215736da375b3542e1575
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SHA1
b8f47bc05c2a0d7d336f7c201fc09e6af3b93a41
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SHA256
1bda055af670cb8e8f37d4860197b58cea1464c16dfaa31fadf42a9eedee8b25
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SHA512
e385accd0c6300c38abe7f8f55ef9fcb5938cbc5baf69f858a43eb36b36d892888ba6a388643dda1bc09cefffcdbda55549d95edf62dcd35b4b0420da109e888
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SSDEEP
98304:xdFkdsb9FbCaPoEyB+U9j5bAANbIN8LwjleZvbpmBe:DOSBFpotj5XbW8eqvbpmBe
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
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Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 2 IoCs
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Loads dropped DLL 1 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\stail.exe"C:\Users\Admin\AppData\Local\Temp\stail.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-568MK.tmp\is-V5683.tmp"C:\Users\Admin\AppData\Local\Temp\is-568MK.tmp\is-V5683.tmp" /SL4 $50224 "C:\Users\Admin\AppData\Local\Temp\stail.exe" 3960739 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Middle Media Player\middlemediaplayer.exe"C:\Users\Admin\AppData\Local\Middle Media Player\middlemediaplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.8MB
MD5b18bc890142dafafa5b2d6bd9f578af4
SHA12001995e693cedcf7c6ddbed64fcea2eec2bd6bc
SHA25687d1a53293dd226a27620cf479bc41d457f8bbc7da775a69c4426de7e22eead6
SHA512e398b96d6b1315dfa823f90ad6eb4fcaab825c83e0ea0c0c94974eedf235b0bd53bb1fd36b0e5f62a858313d30e0da62c306728d3a7c793692f450fe951cf106
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Filesize
647KB
MD5321dc40b1028537e9da09d6cad16b524
SHA1419dc3963cfe7cdf66a1e23718c52d4dc1623d51
SHA25695acf4477c6c852bc972eb835ce3d99356c7c1298d9533bc7ab005566d89996f
SHA512d11dd58068937d67bb0cfca5ed3ab952c796d7579462a9090ec7c8fa7f5da66c30a9ed42d620b4e7be29eb1654a68aadb9a741e1542a6555297d537f7ee4d177
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
76KB
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Filesize
76KB
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Filesize
36KB
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Filesize
704KB
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Filesize
704KB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
-
Filesize
3.8MB
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Filesize
3.8MB
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Filesize
648KB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
-
Filesize
3.8MB
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Filesize
3.8MB