Analysis
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max time kernel
147s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
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submitted
10/12/2023, 18:35
General
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Target
tuc6.exe
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Size
6.9MB
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MD5
e25a989a5ecf24cf4367872e40ae633d
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SHA1
2a51086903a79b6e1376071b4bcedca2f3c6e8b5
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SHA256
1933503e9cfb3aaac1a74a82fdc7a6da3906d177c5aa13150bda94b74de845ce
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SHA512
fc2631668077fbfdb0564fb51d0a8cd755e0775c965e16630ed138cc66cada07345d8dc8adadfaa2af5be18011785b4467bc05205d581b9f036285da4065efad
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SSDEEP
196608:NSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:NSjumV+jHUodIjk5VzfE9Awzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 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 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc6.exe"C:\Users\Admin\AppData\Local\Temp\tuc6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-V4USM.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-V4USM.tmp\tuc6.tmp" /SL5="$50150,6998999,54272,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:\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
549KB
MD5fa25434e9657c82fc942df7c1c14f5d7
SHA17956f6ba3684a6088f3ce4f20f6a53c0d26cc6b1
SHA2566b24a70bdbf33220c403105dbcf8e9fdab9d640997a8dfc3adb8ebb45540624c
SHA5124faef852c26ec1de0cba9b2fe33e277cb91d8e37ca4f841faa01e80e3be6a6416230c71dfbcd928af883a86eacb52d45336e6795fa6a7c885f8caa695719aa9a
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Filesize
1.4MB
MD500bd0030d7f7007575e1508e618f0f17
SHA1b37b863106a70270e4554f53fa135f2c7b5ff900
SHA25605b209fc260ffa7ac9057c64bbad40dfdd5426b9ae09e0507fe6f6e9f607b01b
SHA512cf8ef88e94c8abc5b9b496740c81e7e5afbdb16a83eae65e091e010d20daed003e5b5932c061c30b6e52cd180d50c56f9a99f6d99f2e025e4675f5d75c4ff207
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Filesize
1.1MB
MD5139c863e7f72cf6d449229a8f868b732
SHA16104670280a33a7310c789bfc87d3df39d376d62
SHA256df088843a8407ced4f3578a121d84bdf893d9d3eef1331c411bb5a05896b58a3
SHA512ea70713e4572361417124acc3974f162e89a89426bf951d9a6ca7190674471bb129bab0e44d94dd5e925d8e6c9361799be43fac2dbc10a9e6444b9dfe8087ed8
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Filesize
1.4MB
MD555a1665aa076796b478146c8ee33bfda
SHA16c59371cb4ef4c6859996a969d103eb8e12c541d
SHA2569b58d5a2a036187a9618d0ce5ea04a041d767935f2e86faac234cc60d43ae680
SHA5120ac183408bd9ca7080dd078dfcad57687b8ea9673e9a1f2f6f4c0bc5d17ea670cdac1fd4f49c328f52e6d67b9057a19e2ce6ffc0d30b23e124d1f4228cf5c041
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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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
644KB
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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
2.1MB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
752KB
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Filesize
2.1MB