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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
11/12/2023, 13:59
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
d67f4d4756c7cc63d91496e56a1da4e9
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SHA1
991794b9b1d0d4d7ca5618efa2996dd86a1da7db
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SHA256
0df06021d8b7342bc240492fc5ee8462ea9892ced23af9e6e2ab9c1e939306fa
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SHA512
4018a4e6c28e05e22aa2c5ed86f2634cf5f70b5cecedfa60b9b371bc2642a1b35926cc00cbcdffce8b9dd0c5d08bb8f3e49898a1da4b4c0642ca9da24393b5f2
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SSDEEP
196608:lxOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:2jkHxfKTnJjzKkRtF9zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 IoCs
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Unexpected DNS network traffic destination 3 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 63 IoCs
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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-M1OGV.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-M1OGV.tmp\tuc5.tmp" /SL5="$400DE,6950053,68096,C:\Users\Admin\AppData\Local\Temp\tuc5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.0MB
MD5d9fa856886770a7c5ccc8a3fc4de56a1
SHA1ebc6f95a29933e58c6a5dc194a575719919d19d7
SHA25649beeeddbddecdff56d00d3fc60d0b36ac5f8073235ff0c6841293ed66ae7824
SHA512dff399f7d89db1bcd0fcc0ca0b70e02e22c061472c1d89500c75455aa5844ce44480493be7bb4e9b0cbf90dfadbe608aa68c710f7d8ad140d44faa5df5ef1fe7
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Filesize
588KB
MD54e29ba2c6500f834db2b6df336e9ca21
SHA1ce6c0a71cf50c72515e5abffff23536dd3c37f3c
SHA2568531e69359aace411b10169a0b60d65ca9f1d6fe482773cfc5780e00f00b6a7f
SHA51264ce7ceade742959ea67024157a641c8b88c09d398396b76fe045fc6bb5108e0d90c0438e83d7e64f94613e1a2caad3c8db5bbb265fda2389c2bab3efc5e6860
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Filesize
592KB
MD55ad23448ae94b79a17f7bd6bfe667003
SHA1205733054c724250ecce6c8a69fbf41b2afc890d
SHA256851222bf23e95c4b894f8a2e869c0e7f66e87ac79d2acfd930227adf1c894ecc
SHA5127ae133f07d1f40fa55b51cd9607f6cb1421f897c644c8dabd8382ae18a482e7e431368b55daaab79d0485cd66b855f283bf69bd0121a026b3bcf4f18f9c685eb
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
973KB
MD5f10346d64d08968b878949eacdafdbd7
SHA12b27630825ccde20ba7b9accf58429412e8988ad
SHA256fa4482322066d76ec4deb23a97dcf2f952f5def31e76b43e5bd8521e11e0dc84
SHA512bb7d75c1b4c512a0112b137ccd5c0b587d58caa2112fc4cb54eefd04accbea03a645b4d6e5ba46d0657283efe57edf28b980d569da6ba9408827d527ff8a1825
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
514KB
MD58215db9cbb8eafb5c15069912d9e20d3
SHA1d38764f88f6ca536dffa58679a7c6127be761379
SHA256b0f6714fdb9ca061f71cea64e26e71342e77e1fefa320ba3d3976e7d9e56679a
SHA512ac6dbf535516aeffa5019be5b8527df7a99b95c514a4f8d89ad27c92d837994072248488cb62939c3dadb27cdf26c8fcf77785dd37a12fca966afc422e562937
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
-
Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB