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 15:09
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
62159b623ffc34a1850289f910bcf880
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SHA1
d5e7d52e825653001031bf19f812cd44125318f7
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SHA256
95387a6b219d8d3974b442c75d322380b5067d1e57e47ae4560e33fd3d3bf312
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SHA512
a4c805ebcb09facbcf5f9e0e4af0b4febeafcad4c48e9be6b19f73ea31a474277388df063d9f0fcf32e8b3529524f36e0b442aabd2ab9897fa4be43793e6b3f5
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SSDEEP
196608:NeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:oVsg95KnxLrGufn765k+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-S8HQQ.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-S8HQQ.tmp\tuc7.tmp" /SL5="$4001C,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 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.3MB
MD51d007039413e73daf958f88168de3fd0
SHA1f2aed2b3bbc3d300a993178e608ee3b32154c5c4
SHA25689030edecfa84a70ef2444d3991d62c931f0e330dd3eb0fb845aa85b47c6221d
SHA5124efa50177ebda273ca5b827f9a4264601df13a168ff5f3b0e72ebb7cbf9741181ec660c0ede889535fc3695c05dd25d38c479241345922601dbbb40a49504629
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Filesize
159KB
MD508cdf1081035d1b606717d424ffb357d
SHA12f5557f4dc78ad42c50834b029869077308c5e9e
SHA2569c62f8a2f5c94cfc5896714ae68cd573ba734edee8e90a721f43db49359b3135
SHA512fa1c56a2f20042c29edce92dc6c9e6f78f055d0b01973124a8a4ee920434456e8b3cb27afe1447a2ac8cba2d15bfaa4a404e5818a9d4e4055a178fb49c9cfab4
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Filesize
82KB
MD53b360e2a6b9890ecd69850065a20820a
SHA19510329afc44ad71cf7b8f5b103b8f09c69d6c26
SHA256a9b64e761fe2aae2b388d14d854acc2b5f6ddce82116f1eb19614d7b9d7155b0
SHA512cfd61c4c8f1c31487e483b1cbaa1c6cc69790371854df2c4ba1918dd044a71c56061bb76509cd79454ccfa35c43e2e470cb705ff832667c63e731c6957252084
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Filesize
480KB
MD520203112ff5035342f10de174f2ce41f
SHA189ff24807143a65ac4d26b5266642166666ff74c
SHA2566241520ba29fabe57f5c03845e35c218ab019a7f7dd4b1a5f892e8209aa95f37
SHA512773f6374d49021cf0cbfe65b60bd4a073926fa92d8b5f61a92366790447a97d6d66d2a6e02374b0ecb87d803f864a1663015c52f0a856cfd5e0e13472973773e
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Filesize
1.1MB
MD5a7ce49dd5eee310fd7be5f6ad10e3cb4
SHA181f31b3e7ba2ae98ae60f50d460ceba80dc84b56
SHA25646f7a9e8631561d1faaa704e36570b4a02824d02ca42a47b9d485aeffa5d5f78
SHA51230c4c31ca35db3030ff6b675340e24513cf7b779acfd1130632c268ea38d6792ff9b4d298d7801ac5350d0ffa8fd67f7a9418b1ee1dcbf04ab59637bfb2da96e
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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
752KB
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Filesize
4KB
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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
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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
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Filesize
96KB
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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
632KB
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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