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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
10/12/2023, 20:21
General
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Target
tuc3.exe
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Size
6.9MB
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MD5
5dc26d87f76b3a2a534035847a027f60
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SHA1
6d0d1874f45df1f85ecf8a993a86d83f0325c926
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SHA256
e9b97a927e25832626d4b8476119733639c1349da154a7ba96ffa5ab20b309ca
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SHA512
a4f018e587d44a53f3af7d2e115f48b4a1baa29abe63cc006de64a79a67fd4ca757ee0b6298d9a1e9c232acae9a0bf38db9c8cd47c833d25b5f6a7ce0a7a9c27
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SSDEEP
196608:UK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:UDY6tiP3myRfzepXe4ny8gxzj
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\tuc3.exe"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-MSJ9N.tmp\tuc3.tmp"C:\Users\Admin\AppData\Local\Temp\is-MSJ9N.tmp\tuc3.tmp" /SL5="$B0060,6991381,54272,C:\Users\Admin\AppData\Local\Temp\tuc3.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:\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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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
987KB
MD5b94e39283e0b6d33d109d4a4f5aed868
SHA1c31397ac336c213d030d376b3bd0b4287a94bc75
SHA2561a1e5dc644f21c61179d002818710d8c9b667170fc35c84c7983897dd195f478
SHA512aab6d715d03f952ac2f153049c7bc78114c56771fa38edf85e46c3a095c4b9aefe2401e8af19f71ae773f88863c0d6d9e24d71d2b489362884f22cd78e47f427
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Filesize
1.1MB
MD522b250a13570316583953b5cc8392c08
SHA11b326ae273902cb4a65409eb5b807090eae3a9c2
SHA2567986e3fde1290b0927fa93170ba062da8737e476a9ddb18d87e3b0301f3ab72e
SHA5129afdec68addb62ce67091b3027a5cacc70badba0cdf866264e628092a98a6f921d71c5a9f35c64185ca899590008fac7921f01766a3b8d6d569631730583034a
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Filesize
482KB
MD571fc1b89e533191ef271bec8b440babd
SHA10c2768354bc9f449c89f2702ddd6e5fda2831195
SHA25616852397313b7e5ad044ce292b59ac5209d0405ac0e2ea78218f7b94894d9747
SHA512e61a5f13178957466b8922b40f3f6b3f339d47bea36b6d4b8a372b92c20dd3cf9237c063a52120e939957dc60b9e06260b7c804bbf2123602f16f6f8e40105c2
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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
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
80KB
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Filesize
80KB
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Filesize
80KB
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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
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
-
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