Analysis
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max time kernel
154s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
11/12/2023, 13:50
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
2c1de695da64b922c1e5151f70b13b30
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SHA1
b08b90794079ab960cb91ed4c21e58a1937a7a3b
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SHA256
89975c92e3ec616a28796ea1c9f617e0966e80fde6d9e29c69fe31e8aa2734ee
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SHA512
ef4abf9cf5d7e0475199dcfeda5be38df0aba4608910a4c7196a67acb58fa041355b517a6416df4920961c974e25cf38cd3db22e8f810e049b7db0fbfad06863
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SSDEEP
196608:jeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:yVsg95KnxLrGufn765k+zj
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\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-REC31.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-REC31.tmp\tuc7.tmp" /SL5="$60224,6944675,68096,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:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- 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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5fe9e9d10c240fabd1e08b138e19b2da4
SHA1f65c6f1509625234372f820c9027a8f864489fd3
SHA256ed07307aa6b42a4170865e4f5ac1aa9d2aafe055044e8b97b386f910fc5ff03c
SHA512993d5f4bef3846b3af002179aef461cc555b22e5c2c3e16f94983934b4fef7808f248a771620f538e0a416ce1d8d96f720d373d828dad779194df2fa88c3bb2a
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Filesize
512KB
MD585fe165d1eefbe80d617325714ebdf6d
SHA1c142f40c02a41742eab1ebbf590efdecef910d2a
SHA2561194279c3b0a20c8666762ddbdd7cfb5630b50b64662197cb911503be18d83d0
SHA512ec8b78f05d394af18037211a853c507cbbebfb5e19a3116218c9f4154315fac96b2d6a35e7696d21fae47969f11bcaa78472a7cf4a13616b465077314456723c
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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
4KB
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Filesize
4KB
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Filesize
752KB
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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
-
Filesize
1.8MB
-
Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
-
Filesize
1.8MB
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Filesize
1.8MB
-
Filesize
1.8MB
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Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
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Filesize
1.8MB
-
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
632KB
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Filesize
96KB
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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