Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
11/12/2023, 14:16
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
7c761b803c2dfe263becbdde156d41f3
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SHA1
cd046281dfba22415ccd4be3b9d33bb2f9d6c0a1
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SHA256
3b7b3183ea676e231140d5ced1fbc1752fe3e7b873939318401603c4478d8868
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SHA512
49bd6ff57aae79c0a57f259654d2a88ba571ab4379ef3b85216c9e03d58cf3d9042ccc6e725b9b9cc0e20ca9e354228b1cc35470845457e748552dad22876866
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SSDEEP
196608:heusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:0Vsg95KnxLrGufn765k+zj
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 3 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\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-N66FB.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-N66FB.tmp\tuc7.tmp" /SL5="$80126,6944675,68096,C:\Users\Admin\AppData\Local\Temp\tuc7.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)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.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
1013KB
MD553cbb3ea900199f0b5fe33263819a6a3
SHA101800f0becb8bb03bec0a583bcfaf6a11c67437e
SHA2566028987c6491b4982685fcbf01e2365988e6021f0947a640c3406856efedcd30
SHA512caa24e759df6730e82510f008c6178da550f65dd088acc32e1a360ca3fec8a8e1af2d8b5d6af6a05edfb16dbb2acb507c8641429f9722c1a8163f0791e221444
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Filesize
104KB
MD595d2d4f5269d5be3b3a6ccfb803793a9
SHA1395ea13782edeb3c65b3b57f9da8543fe54eca7a
SHA25622b01484b5988900b248f0e3fb0d65e3345fe41ea68c38118767cffcbd26bac6
SHA5127704890b8e9682123e600ac7010470fde268dbb71b2f2249798215016100a0c38a852a7b9ac377a86186127b742d1aca8d88d006a106c01accef82f6a3b217ea
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Filesize
23KB
MD594adddb82aa24a0c6917aea50aa9efe0
SHA190e2eef619b9ae16c8029149740abc159606baf8
SHA25610f1251a70ce5d6b288a90b6d9f982714d6fe809a371c2dd64c8b698b12482da
SHA512ab60c3c93a68017cc14b5cef0175f71b75b082d6f9f94c3cfa02c24bcdceb3106323d5198299480dbc1e8dec6e7fb1ed3bdb302018af0897257a713492c8d3c1
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Filesize
467KB
MD55ea6efeab85af03896b11e503f12a054
SHA1aa07497e90a97e178e54b9a316ed3ce27e35618d
SHA256fc56dc181c6362e483fc1fdb2b9040659904d7c5f6d09bc41d5a1879309d5830
SHA512d399f2e4564c6152c82b051997afa374c7555fb597784cf4717aa7242bc6f07734618553d4fd94c891e7468db0084719d14a83bf8ea9208ddc24f771956a4733
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Filesize
979KB
MD5429ffb78f60c8829c8d1bf7043aebde7
SHA136d8e5f3a1656f00247356b6b824db6cfbb68c74
SHA25664ebb87c4a6393fce669a81e8b7944592eacb2db3ee6ddcb43270bf5e5334d5b
SHA5124402fdcdeb44da2518484c83029f469b95e182d44cfa13795220b945e6efdd0eaeb0162f2abc661815759d7a1e996e99fbe9e84e780013a5d553db8eb261a7f3
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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
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB