Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
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submitted
11/12/2023, 19:41
General
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Target
tuc6.exe
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Size
7.5MB
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MD5
aca0db6893f05890e9e77987b57d9fdc
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SHA1
b4625c89eb47caa224766565b519be4c4b8a8183
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SHA256
6ccff2d3bebbf7459cbd7b931e5f4a53c2decf1343fcf6b3d5fd83e4c1342579
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SHA512
6ba0421b06b74d7df7e652a4303a61b9775bcb925a0a52c3202b1a988d4c6f938038a41b786432162148e5128b0c50799a2ae8a49f7869cdef182da4d161081f
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SSDEEP
196608:8q/iLRC0OLkYNew6tjCtD2RQVsBp4UAzj:8HC9Lkuew6t2oCO9Azj
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 2 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\tuc6.exe"C:\Users\Admin\AppData\Local\Temp\tuc6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-RNTOJ.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-RNTOJ.tmp\tuc6.tmp" /SL5="$4010A,7577497,68096,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)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.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)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.4MB
MD59056116e76422c73266bbb874b76fb22
SHA1224f0788f1900b92a97d00fba7db9ffb1ad0952f
SHA25656b59bebfedf9415aa1de40f8881a44238e587685c9d0eea7d23d0ad7cd41952
SHA512beefdbee09c77983befb3ea64788b258831f7569009730c773a3e545ef2112a7d46e9f44082286fea4153d439ec138265482a14b88ad9dcfcad5426134d107ff
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Filesize
637KB
MD5f5c2b9d4ff3680fd25b28bf262851c0a
SHA186ca2f9776539619df9b7bdd503ed47eeb6680f7
SHA256f8586325ef43acc1c24e3efb6143c3ada6912458c06e78ec5089067e3f8f864c
SHA5125ca43cf68d485705ccd2086174b82271131fa4059c29390c04dc63f15563193227518f9d46f6fd067b727ab4246993c9bab1b71c6234b2db8db4e156407427c8
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Filesize
65KB
MD59b5ea3f33f11c65939343d7abb540b02
SHA1817eaa657beb4481cbc83d83d89e701cfc20312f
SHA25668552aef27fee55c43ddcca8d8e3bc784e3539f700191c5a395fb4bb34ebfb51
SHA512c85dd812dc8d164f16ee7680ac0260d08cf2954268d5138105435c308c8c0c49fe437cb4a52baf51d780d679ea4598e2a7d412df3d9e99e036253c21fed2f3b9
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Filesize
704KB
MD526fc3ab9de0c47270a4887c6bf66de36
SHA1d5cb4d35ce8ae46e4d0c3d073fe1a77bd9b1be4b
SHA2569b890b856b847c09b50f039df4fc4d59fe3ee29917a22f1405cc8306796c0d1e
SHA5128018ac12f86345502fbcbe9780f88f9e57a8524fcf9dac34efdb36bd7909a7af48035f7c79c9c29091e6176c634ca867667baede350ebdd5ac81a528ad97d186
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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
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
96KB
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Filesize
96KB
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Filesize
2.4MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB