Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 15:26
General
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Target
tuc6.exe
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Size
6.9MB
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MD5
a7d43563e799aace7525669672214d54
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SHA1
4f6858a358dd9ae1b21ea7d2632730d6b349cbd0
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SHA256
e6ed238f3a90e4c2255bbfd4935021664bf3817df4f1c72ed1ff41fb9678adaf
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SHA512
c8503f5dfd5f4e0a390032c69160a66e70fca71cdd9822a7f7c2416e95e62c9f7f5fc189fde274fba8ebef215bd7411ced08b64ae287f0109ee88bcca98dba65
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SSDEEP
196608:jbw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:jbw61woTCR9+OTbl0Zo/Gzj
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 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 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-HN4R6.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-HN4R6.tmp\tuc6.tmp" /SL5="$401DE,6958728,68096,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)\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
1.5MB
MD5a473becce97676869054125b0bf71e99
SHA16d004c66a0cf622b2a052679b39c415bf022566b
SHA2565b8565a80ab523737ce34ed53baf832e3a5e5e516b2e7925ca16d99227c4fdbb
SHA5124cec95d5c43d713a85354ad1ce7469ef0ac130b38d55b687a7e46b9014516313f234d14361076e443ec149be3091c6d5fb9bc619b4c2f722268b5da7189f6018
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Filesize
1.2MB
MD50e2784a8f043cdfec78c254fc77339e0
SHA19f789900c0bdd319c7cf0182186e438f3d867636
SHA256405742bef8b9582f18a3ce2e391c244e6106abb1872c5e97cba07d374a3110f1
SHA512b447df865e04116f7ce1ebed1ecabdb75a7e4381725d35f7862ec36b2af70b16495c26452334bb13583c5e18ad5c3c6fdebacfb64b55b2ae0f7bd4b76d7505db
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Filesize
930KB
MD5f910f9dd94c32c04f8e2336036174892
SHA140fd7181f603cf554313690a9e3031601631a8d3
SHA25614e33f357eac6adf079be1f9397b14df939615d77849825b211679cda6292e14
SHA512c41f1cfb43acab1d31945666fafe187aea1f958c1553fa9d77f51e6425b5ef5583d96218bd2d9ffeffccafe2970bf89d89473de6d5753047ce49a2913d26a005
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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
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
-
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
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
632KB
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Filesize
1.8MB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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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