Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
11-12-2023 14:04
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
16de34a6ea50a8ff8cb6adfdc527bf4d
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SHA1
9e3c64178ccbcff51d8bbc8b01426d2224bf51fb
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SHA256
aef134c97f786b44321bc0f55d6509a3ce56eba367d925cc610ac6b6312f4f6b
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SHA512
8d519bfb9f26742185c687a82a190908841c4e96b60bd9eb58a9d4a45be9b03f51d043e47927d11110a3d7fcb609b1880a93688aab25f567eb39c259c88a2b77
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SSDEEP
196608:3xOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:kjkHxfKTnJjzKkRtF9zj
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\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-0JDOS.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-0JDOS.tmp\tuc5.tmp" /SL5="$4001C,6950053,68096,C:\Users\Admin\AppData\Local\Temp\tuc5.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
1.8MB
MD531a67cb10577d20a96937eec6a9b99bd
SHA1a861888ce00888370a85dc2c7925fb4178aa7a2c
SHA2563db1a59d28b184bacc5ac11a362e5c5293118f5bc7948d51def377474def7ff4
SHA5120ca7b34bdee6a0a12feed7be7bf11cca882233353ae382d221a856007d3a396e73d95f230eab7fb2e1e4e361caee8c6b09cf9a3dd5007b732869f8f63f2b8839
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Filesize
1.4MB
MD5aa53e3ddbdcba50129a4442e71a85dca
SHA1ca347d8d2b51bb24dacc870c16d17dada1cbbe90
SHA256fb71434e673130699ed74be5beeb752f7a2fb078ea9c27b5a495b142b12b183b
SHA512d3e5262206964693cf50fcf7857e6046ffecbc7feb6729fca37988c5da7da6db96c6e25be4bbc47caeb2e751df3812f18f70fcbeb528d1e26b704f7ea8eed64a
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Filesize
1.7MB
MD575720bfb10acd6c9f9f2aa57de3c2aae
SHA1d508601178208e8a68f629c161de2f3a47570250
SHA2568f5e0597b719942f54bbea69e34edb47982496add951e42ec5fb91f537d7417d
SHA51255250586d3e41b2ff93b96a501f04900754ef2471cb0e997cb47234a50d3b32cf710c6f9b51666e01ceee98fbb2a18872f7cd849ff585fc1b9e041e63d75e8f8
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Filesize
716KB
MD5628e2f6edffb3a9aa6e33214b706c9ac
SHA1afead4a1fdeff12e82f5c0f96667f800e54d6519
SHA256310a349562188490eaca2fd9d87be67ce004650e611d4e195f6d457b44d59fdc
SHA512d9ea90e6b6638b201458ae33d527f0a1f5b66eb120096aa036a74b4713c9e917f141326e2a720c3c2394686f64aedeef92d92038ac9471a4b82b24e1b5c60c54
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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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
752KB
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Filesize
4KB
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Filesize
4KB
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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
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
96KB
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Filesize
96KB