Analysis
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max time kernel
141s -
max time network
161s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
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submitted
04/11/2023, 08:31
General
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Target
0f639a442e1849110582d5fd9aeda47a55499a7c0a312ff1434b19a3163e05ec.exe
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Size
4.8MB
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MD5
8bcef87793911a9aaf6b38200c4701bc
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SHA1
a6c7a45c9a11e0d5b8d312cded502f341130ed25
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SHA256
0f639a442e1849110582d5fd9aeda47a55499a7c0a312ff1434b19a3163e05ec
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SHA512
02eaab7f28674144713894e569aeb1d43727055c24df06b88fe735ab26dcae4580e80ccb2930dc0c009d7a344034f21118fb76642c6c5ba2454fdebf8336680f
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SSDEEP
98304:LdTlttee6qXTnrwgibZLFVCh86j2xjefGkSCYpDQOfY0qhRannTe7e:5TlveebIbK8kfmCaD7fY0Sm67e
Malware Config
Signatures
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Executes dropped EXE 3 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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Drops file in Program Files directory 34 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0f639a442e1849110582d5fd9aeda47a55499a7c0a312ff1434b19a3163e05ec.exe"C:\Users\Admin\AppData\Local\Temp\0f639a442e1849110582d5fd9aeda47a55499a7c0a312ff1434b19a3163e05ec.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-M8EVR.tmp\is-FJIS7.tmp"C:\Users\Admin\AppData\Local\Temp\is-M8EVR.tmp\is-FJIS7.tmp" /SL4 $50232 "C:\Users\Admin\AppData\Local\Temp\0f639a442e1849110582d5fd9aeda47a55499a7c0a312ff1434b19a3163e05ec.exe" 4725848 793602⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 43⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 44⤵
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C:\Program Files (x86)\CBuster\CBuster.exe"C:\Program Files (x86)\CBuster\CBuster.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\CBuster\CBuster.exe"C:\Program Files (x86)\CBuster\CBuster.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.7MB
MD5bcdbbe0df57fb552d656915503cb2215
SHA13bb9e33428c983a3ae0c64767e915ad95f5c0797
SHA2568ba8aa4227a5abd324ae9d9e74518abb91da1561f79255d0be644a5bd9edf077
SHA5127a553ce495a838545406c8af2ae5347e1b4e7eb936c409083938ea8fe07391cf1886a595f83abf8e502b4845c8a16e3cedaec56b18d248ea9f1ed54b4fe9ef58
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Filesize
3.7MB
MD5bcdbbe0df57fb552d656915503cb2215
SHA13bb9e33428c983a3ae0c64767e915ad95f5c0797
SHA2568ba8aa4227a5abd324ae9d9e74518abb91da1561f79255d0be644a5bd9edf077
SHA5127a553ce495a838545406c8af2ae5347e1b4e7eb936c409083938ea8fe07391cf1886a595f83abf8e502b4845c8a16e3cedaec56b18d248ea9f1ed54b4fe9ef58
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Filesize
3.7MB
MD5bcdbbe0df57fb552d656915503cb2215
SHA13bb9e33428c983a3ae0c64767e915ad95f5c0797
SHA2568ba8aa4227a5abd324ae9d9e74518abb91da1561f79255d0be644a5bd9edf077
SHA5127a553ce495a838545406c8af2ae5347e1b4e7eb936c409083938ea8fe07391cf1886a595f83abf8e502b4845c8a16e3cedaec56b18d248ea9f1ed54b4fe9ef58
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
828KB
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Filesize
4KB
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Filesize
4KB
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Filesize
104KB
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Filesize
104KB
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Filesize
3.7MB
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Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
-
Filesize
3.7MB
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Filesize
3.7MB
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Filesize
3.7MB
-
Filesize
3.7MB
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Filesize
680KB
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Filesize
680KB
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Filesize
3.7MB
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Filesize
680KB
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Filesize
3.7MB
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Filesize
3.7MB
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Filesize
3.7MB
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Filesize
3.7MB
-
Filesize
3.7MB
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Filesize
3.7MB