Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
10/12/2023, 17:41
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
ce2f412e28ec232d5ad732b30b755f5f
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SHA1
63acc4a7a9126fbf7b94a89fc8fe2d396a61a66e
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SHA256
350bfa1125b1f23acd95b0612786445e7e3c59ea44811029f389bb7bf1d1c847
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SHA512
da2b702fe2ac842d66acd094fd05472de16f94b95d312afff3f999b0adf043ca835a3af690dd6b2f3ba793d0cc3a46a8ab9b109b12f9498ec65ea8150e6d391c
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SSDEEP
196608:AxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:INztzQlcDPXus98d9Jzj
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-NEHN0.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-NEHN0.tmp\tuc5.tmp" /SL5="$60064,7025884,54272,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
1.6MB
MD52fb2a384c7288de502eff31df4b63b46
SHA11e4f8557ace050c3cbb14b03d68b44863e35919d
SHA256a4078fdfc87b44dec73655a27ebb762ed3aee46602d70ebc6050ce41aa6b410a
SHA51270d6ca4d16c87328b8044bbf432da1e780fadf38560b3b6c23c71f53d706fb18d4bdfe337192f60d4ba591f28b1ab8a1ed1f3a4c137acc878267538b814359fc
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Filesize
1.5MB
MD5eb5455199f43055b0044faf313934a90
SHA1ee014fbdb836e6d88e07c1f6d8c211ca653fc062
SHA2569a65cc38c75727b62a4f2f0aadf91d1928efd94a023528681f2389f958e14fbd
SHA512dddb18090fc8a9e7435d85a1c51ee27f0df3f4895e7bb63dcba5acf75fa257d426aa6e27b98c72664149dea355cd8747b46ff90e6255ea4b00449fc4664fe37b
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Filesize
1.1MB
MD5b3846cd01146bebce4a252663ddafa91
SHA188be480b2a95390c6d6beb56006ea11deeb551f3
SHA256b816b287ed2cc3891828848ec1a26559f6b24b0de8bd438a7d716d94aaf7505d
SHA5125e46c77f8dcb05429d05aaf8edb44df36ed71fe00cccc8e02cfed542d9ee8bbde22294f120fd176b9f05e7ff7e0d1654076346d0bde5bed9bc174b3b46bfcbbf
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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
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
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
648KB
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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
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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