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Analysis
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max time kernel
142s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
10/12/2023, 20:42
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
b4336ca6bab18f9d3521804993eeefd9
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SHA1
1f35615eef691d59ccdbde87bd02f7a6d5fc40c5
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SHA256
477959c8aecaf3cd9d0e105024d647b936d9595bf726a33d82f5df7990e36921
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SHA512
f3d8f4cf595273203a7d15f55d491af64d520bfefb020254b318eed657d9790c5308a32fb4624d23c2469da35358f9770d5a9f1c1f716fee8c2038fc3bec0222
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SSDEEP
196608:IxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:gNztzQlcDPXus98d9Jzj
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 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 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\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-N6TM3.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-N6TM3.tmp\tuc5.tmp" /SL5="$B0068,7025884,54272,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)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
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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:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
983KB
MD5b7a575b2b58ccb1ea74b32a5dc9054bb
SHA182565affb2bfe3998e6c8d0ac031a41029908f36
SHA256d7c8e88962a7fffb8b23ec55f93426778b4f1843660b99c1f96faa5cd62e3298
SHA5120934a3b76f4cb28287d0e6679fc75336868c4350b9f16d3ebc173a5fb0c243c09755d2d6d391bae9fa18036b04cfef1084838f3b14b00c9948d4e77a85bf4219
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Filesize
469KB
MD5909af50d0fec3e53df90b926aa2bb94f
SHA10968be2ad7318f3107d758812587e3d53a045431
SHA256fb45e93379b11bd6a4d2f30da150a022c9f27e2885b9643f9f0f68dfc56aa92e
SHA512ebb10b999e3b1d15d51cccff4603a2d336567c9c9a7ed0b7417efeb2e38d72f2f5d1c1c08a5721ed54fe3340f9bc88e322b5dd8a5074e781fa71bd0e015c55a4
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Filesize
66KB
MD5f9d5c330f7788511779e1858bd17b4c3
SHA1a42c1631eab2b5dfbbd9d0874a7bf7a4c6d2b878
SHA2568ed70a6fd15002aa541beba5e8f727ce113cc80601923c1c12373d604c8840d3
SHA5125f0da88320d03215244d07e2f3f5828623a679a8e66854e3d22667a8ef00eac02f19b91b9e5ab3583df60ef8f64374307d9d1a48eba592c71fcb964cbcff17bc
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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
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
229KB
MD5a23bd859f089dc69a73c6b4fc9d2fdae
SHA1c4f905a54dbcd50821ec6eb0ceac909ad9a8bb78
SHA2564d653d9a68479d5f935928ae90b349c1adbb6936b452d45a4f036d8e4d9f7955
SHA512b4a358fd646b80d862d2ad3a5a44508c246413452156b6b3d03db89b4b5ac173553af41122352f44848aa6b3db90dd54afdb0c6568a9f668b151c17f66720db1
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Filesize
80KB
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Filesize
80KB
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Filesize
80KB
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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
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
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
4KB
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Filesize
4KB
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Filesize
752KB