Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
10/12/2023, 20:06
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
140eeca16a7851f9399d608590d77093
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SHA1
3790852ee0bdfbf51e1a1b28d6592b5abc1b0a9a
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SHA256
b8c73276b077a35fbaad746505fc4385c47e6fd1522867e8242e1308ed49e9e2
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SHA512
852001c6c590a8353ab54489f9f6c3d1d7442da6644e9498be854358fd43d7bb00d04a2706559d55b30ffa0a6c93874feecd41d071da0ef1cff59c9de0b26fc1
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SSDEEP
196608:txnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:TNztzQlcDPXus98d9Jzj
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-2MFQR.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-2MFQR.tmp\tuc5.tmp" /SL5="$B017C,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:\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
67KB
MD59445ca787fa9299e52b2afeccc31952f
SHA1e9db7c4659b98b4cf069c8bf0ea9890bd16a6707
SHA2567ff6dc9711076117a9fcb38e41ba94ebbe806a6b4f83482a13e9f7101369f8a4
SHA512974b44b70485ab8685d062f9209d0c1d324e6398effad524b94dd416581a5f47751e876b2fe65127713e4c9af517ba74967bea92da6bb7ea29fe2220f34091f4
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Filesize
97KB
MD517f24c334254baf38f591683d69b11a7
SHA129526d10194143a508352ac7d9523efca0ec3051
SHA256059a4d465ff5cf84bbdfd266d9fab3a48a41fbf2c9a72a3d63525f73a7f1fdf7
SHA5121b7fd2618185651976abeb933372eac7d2698104bf01737eb5f93557fa0c25df52f2b310222d98482ecc586e14ab61cdfc9f915345cc1aa2edfe8940112c73b0
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Filesize
149KB
MD5c1532bc974281bef4e5c4c7ed112e8a8
SHA1eeb6f26470fd01757998fc12788c151b224f0a36
SHA25620a0a39abb1fa7fdd418405543891529c2715adb9c086dfb95fcc14e042dee0b
SHA5128bf85716afa78d37212d35d4c1c1055326fc2dfaa963c23fedc739144978fee8f0f23f5594da19ce83ea65b27cfb27a57d43272c013b964097eab2b648901f13
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Filesize
31KB
MD5943356f46ebe2a3aad3ea1a0b0d78fd3
SHA140a145fec537dcf93b48a41b004ee66516006640
SHA256f345d11e5d6d364e0d6a74fe3e28d7f3b1a2a772349ece75ea6e92c049d4d700
SHA512d910bc269ec2739ac72d235308a06ed41517beaaceeb29895f2309a5bab3d64478ce0d88769c88b9466c3f01760e088ba1b2e77e8bc9198363918ba1af3dfc18
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Filesize
48KB
MD538de9227a251c6f0f39f8adeed187c18
SHA1b62589f99688d269533db069131e7f031be207a1
SHA256a83fb6dd19610a0126794e78d791603a9df0fb3ea2cfd161a69b69a9cc73d843
SHA512a765fe39b3fd52629f8509bd131b96a131f3192b27e7adabb7a256b99d64740aaa49499b431721fb7f8eaa46fb556a350ccfacf0f733a004fa6d700570340d9d
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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
1KB
MD5db6184777f072d8f3d28804aa99da162
SHA1b62f98de6ac12318bb03da9a5329dc7930a474b4
SHA25604d109206044de4c8c52eb3bf17bb335b195f181d7740d18e89b5deb3e0e48cf
SHA512f530c401a202aab567d956a8ea40e76339421408ffbe663672736356e83de4e10992960a644097e4e9f20449be62be9eafa3cde50d6e8c7cd2026c7dde4baec7
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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
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
648KB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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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