Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-11-2024 07:30
General
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Target
fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe
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Size
5.5MB
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MD5
fd1031b164b9fad40b30576c1e0558b4
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SHA1
fe8ea75489c9b93ddc10870dadca2668950c4cab
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SHA256
fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9
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SHA512
ffb79b752386f048cfbbae0de682db0b348d9f790f439473484bed88d240472bff0ef5566d07b75b8b67690750a1aac48b834133f6bd4f178bcbe6e82220f40b
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SSDEEP
98304:CqcmoXTTrNqRMC1J459QSVTfhUJROlzVp2xAmDHnpd5Y0o0JX5HjGHVeJY9qGR8M:ZoDzC1J4pVTpUJROQJtd5po0DqHVeJG1
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
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Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Socks5systemz family
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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 FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe"C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-UIA7R.tmp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp"C:\Users\Admin\AppData\Local\Temp\is-UIA7R.tmp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp" /SL5="$70032,5492793,54272,C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\AVIToolbox\avitb.exe"C:\Users\Admin\AppData\Local\AVIToolbox\avitb.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
2.7MB
MD56a90fd7ca1972ad1f4b93b7af8b4a6d9
SHA1ea1a3da33959b67f5ae125334108416d01815cd5
SHA256de6e1aeac0bbab7c7725f9b54febd71960097f61875e3c00fc3b68683352d613
SHA5121ffc7d84b5a1cfbf4293f8aae5dfaa1b8b14e7c7cb40356b986516022785c2f45e5b679df480b8fc95179bca1b08bf72b102164e90edf3683e16fc87935dff51
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
680KB
MD58fd7d1a7adbe65e6a70d5fc1ae259d28
SHA118c73b13d8e1dafc3eadf23982933030cc28ca74
SHA2561dbfca126d6395e3eaa2a3439edf178ec437c4dcaa2070878b23027026c98c39
SHA512a56d58fa6584d49b7160a394553696ccab0e0b9b7b775d5ce06c843212aba432ee9d091600f5d0799a384fb21f59e2e5c1bff42d109fb3418de2180f21a1a777
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
648KB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
648KB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
648KB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
2.7MB
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Filesize
80KB
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Filesize
80KB
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Filesize
40KB
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Filesize
744KB
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Filesize
744KB