Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
12/12/2023, 16:20
General
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Target
tuc5.exe
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Size
7.2MB
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MD5
f95ee2c24b924fd8ad1a70c8619acd04
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SHA1
4ee4f8966b38b40a695e34104856a50104303dc3
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SHA256
9b150149320f33d8f0d27682e795f4222b79025dac4853d6e01dfddf3c0e60e7
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SHA512
0c745144baef354a46e562886eb707842a7a73f8efa2207aaa73932ce520b1755988ebcec629169060f00c03cc7bca41d12ee2de3d0bac32648804d9ed58bdc7
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SSDEEP
196608:vxm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:NcjEEAJWEh65C30GW9lCkzj
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-4BD9J.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-4BD9J.tmp\tuc5.tmp" /SL5="$40026,7269570,121856,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)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1024KB
MD5cd7290d6915c1b4efe014b3c48b8c545
SHA1e821d2e40412fa56f00ca632be872f38c9828d1e
SHA2561016bdc52ff8a7cc87a238e3dbd74432f0853af6a3a22a1f0aa0bb36be1c7643
SHA5123852f5ce3e4798468d4c6bc386e2fa6fbbe0ba518bfd82853417f65c73567d1f8dca360fa216cbc12729569d65856c14161376a94fb503c704e453c267fea03f
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Filesize
434KB
MD5ee7b63d4055f5dc57f864f3c114b0d94
SHA14327ca67d8e13a4d49dd1aaf1cefc5be32f70104
SHA2564665a2a48486319c2cdd2bd685fe64244bc76e4760e2910e0df2898ac1a64f6f
SHA51232b9580258a7c36d5d25cb4ef12692ffc7eb915a10cbc098abc22f37db2d58f664bb95f8a653b850ecf1a51149b72347662c5cb43d6b8d53dcec44d472d3b444
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Filesize
815KB
MD572ffaa349b42c4ef17727e28d0fbe5d2
SHA19d6c01aa4c651c6c21af963a4e0e4302733f8b7b
SHA2562ae464d1081ae40acda8e3f329251ee380e47b89173eb310f39cfe06facbbee1
SHA5124a5e708bfa7a61aca43024918a56309251a6f57740df0ba4be12cc439039bdc0fefea89832c3bb58d4c6bf63d46e7abb5ac53dff3b44a13da1618552be97d170
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Filesize
1.4MB
MD528d85b6bd1c65423bce81bcef4498d18
SHA11404bc938926139e3bde7da8dc49c455f7369330
SHA2569b57b01cc2c3b7ca7bdd2116e126de735e60f324ba2a5023910734703b86f483
SHA5129b57da097fb7d8841065cfd16f1d3150e8c89e87d7004f93b5bb2c4bc6642ed536a268600ec0fbf1d312dc800bb522b3fbccb13f6c45f42377a658749e3a3a1b
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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
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
752KB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
148KB
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Filesize
148KB
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Filesize
148KB