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Analysis
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max time kernel
143s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
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submitted
10/12/2023, 18:16
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
8cdc35abbc8f012285fa8ada42cd1854
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SHA1
27184eee999841e6c589d90fd4f2db92abb21255
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SHA256
fcd543fca24df3c849ddd7c28c225335d97c2c8d678409eb5865a7e04548e19d
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SHA512
5ec7a6672a3f633d9561d21b48e2af99a8cab035f7f42aa0afb3054967ed38fac7e9677a539e73f66eef2dcbea3a86922ae40768a120cbe59dd79a53d00f12e7
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SSDEEP
196608:aA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:CBmakyVnlUQ7Wz3Tv1jNTh0zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 3 IoCs
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Unexpected DNS network traffic destination 2 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 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-GPT1V.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-GPT1V.tmp\tuc7.tmp" /SL5="$11005E,6977575,54272,C:\Users\Admin\AppData\Local\Temp\tuc7.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:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 101⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
73KB
MD579f676c33ebf214c307bc9124fbcae6b
SHA1fb2a7db44c273f45549f92bfa8f35bbaf3b99711
SHA256ed6c02d3019c24e6420024e5687859f4c2b4a44654c5f8ee5dfa6d1f7c3587eb
SHA512d00c7b867aef177e1e04b8599ebc2a3730e16f2e80b01f3e995a93a4aa2dada0f4c91f11d86d92a1004668ce48878d9b2cd2679adbf75caef16d2e997ff1a7a7
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Filesize
58KB
MD5b87546cd6e85d11e595c19a2e5fd12f5
SHA1132325da1ac3ea6d8797f751b6c1d33ebfeab3a8
SHA2563a6594561e684d5e3b6c564e05360760734f1cd0b17a53741cccacf47a8a87e8
SHA5120226b5047625d1553973c7b53ed185fa403616191593d1ba940eac0ec8ea3343d95cfac5344a260ebb40b9a06a6ec528149f9c30b15a8b486ae9888636f0bc18
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Filesize
57KB
MD5ae2fa5c69b4da1ea8fdd0ac55fce693b
SHA1071822d82d476bcf887d645d4256cda15ba1ccfb
SHA25667532650c6392b2326d7c14cdd2bc9f7111fdc0d09c37393121d4117c8d63792
SHA5127a0ba52619cfbffabff0f1215e81fed493171f8f4cc2f97b95bdfdc95e04e8a488bc7ed2f69b1c401698b5b3283e3f454bd2280794851399b6418a02e9a49d03
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Filesize
16KB
MD5c581fea6346f1f5510c2e1d3c5fee3df
SHA1e5ff36d94287c5803ffe097e699d31265e6602f1
SHA256cb1c526ed6a3107d9f65f481e3706c87c21dbd7dce739693259fbdd3927282ef
SHA5122d4f8edb01d30d15b12f3f158f62b5deded23a209fb0c196cf53a96577437c5d17b090e3ada3cb09752a20cf09145e8e13ce3b836f0fdf5a5ad3eb2117c191fc
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Filesize
91KB
MD5ac90ebbc6339523a6c312e289d77e503
SHA1646c64258860769d8f633623b1fecf86d5fb91b2
SHA256ea3aeb3f6bb9513981cbd9ab73a72847eda201ae13e334f9d1a0e8d9f2138f4d
SHA51290db86b3874993bcc45f39a6775104e6e7bb29655a495c61445552942fb5d89b0dd6279a87da60a3e986c01f26d7cfb3a3a36f74b3c4765534b56eb880351814
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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
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
80KB
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Filesize
80KB
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Filesize
80KB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB