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Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
10/12/2023, 19:29
General
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Target
tuc6.exe
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Size
6.9MB
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MD5
67bbae73a4271163085c7b08d4b1bbde
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SHA1
1c0114d37ce00f22d5fbe4af01820e82f661fbb2
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SHA256
9666d4a6889d32d2e3daa0dd67b1a9c3255fafa1325c45c05894d291ce6fcccc
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SHA512
5864c0b158c72e779b69ea20f00bae5f811c4046a9c8362bae818786500af81d16dd76eab8e3a852893ecc6deeccdf082c8b2e6bd1b5e8e44568ff528bd08370
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SSDEEP
196608:xSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:xSjumV+jHUodIjk5VzfE9Awzj
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\tuc6.exe"C:\Users\Admin\AppData\Local\Temp\tuc6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-53D8K.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-53D8K.tmp\tuc6.tmp" /SL5="$10003A,6998999,54272,C:\Users\Admin\AppData\Local\Temp\tuc6.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
1.3MB
MD551c2d192dbecc71345986aba56192294
SHA1727f1436cb49a0cd721962e63dc2efebd7dc4a4f
SHA256bc2bd787b819da3ca084ce644060ee951effd417564f997847eeabb9a3eebba1
SHA5126017ea178eeb024c6c56074cc06b190cf6390c15f7b918b0a36cc957427f67ce4e0b14d8c5e3a5425b1faf9e78bb4698123b3595d8593492191f1717e2552312
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Filesize
1.7MB
MD5d65e92bd0be84f5aa8b02eff09975ebe
SHA114cabe05ef7210837596abb35fe5044190bb9165
SHA2561c749e01fabff86ccdae83da97d8ee5851217e9f97ce39be4edba06881be5414
SHA5128dedcbc613b3dbc0b92893bbae2d54abb283b81cf6157598239dc8a955d600ecd4155dde20364834096aa6fac6b91af7764ceb4e667872cc848a351d1c284558
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Filesize
1.6MB
MD58d56aa9306520b796ae11716d9d5adfb
SHA14e31b5e9d7ab9e218186b0df10a56c2175deb23c
SHA256235bf1066f955a386b83bce4ffc97d69510d70da00fb921f72ef29485c9264d7
SHA512c3416215df817cdb1f80602a9f323dbd05451a1edef4718236e266d3abd8e1cf5eeef49af4d01b025ffcbebec9374afbaad34eb36567a2eebe2b0a1762beef7e
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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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
80KB
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Filesize
80KB
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Filesize
2.1MB
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Filesize
644KB
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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
644KB
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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
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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