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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, 14:12
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
cfa8e151ffde662bf810677309b55ae9
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SHA1
79eee243b42540b79e6d1550b3443b168c3bd951
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SHA256
c2e16de97139bc0967e0f258df08311e25697ddd1a4aa4c8e50e1e95a8d04299
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SHA512
832eefa37ee34ba0edbfec275e942939d908a238349a2d61d3f5165ebc6af7eb0810cbaccfe33e4a30b351f7c44c7de705a88a55b01e2a2c689c0d68ad1dc93c
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SSDEEP
196608:weusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:DVsg95KnxLrGufn765k+zj
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\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-AETIA.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-AETIA.tmp\tuc7.tmp" /SL5="$60060,6944675,68096,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:\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\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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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
99KB
MD5008751a4de8d807e4bacf47af14720e4
SHA10d1f01238689d688dbb136dba5da608deae7cbe5
SHA256057bc00fc627537d52cbcccc12b5d4273f31ba132b52a7e3f5f4b9c08787a750
SHA51227c7af994e3c4b312467c45bc731d1bf168990b1ff75fb859b6e5cd623b7e796a4cab3f66048f84cba742a12a697ce488f50a68662e18683e4d8c1e4692efc78
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Filesize
150KB
MD5b0370ca612c46eed6d91eaff0355ee74
SHA183fde309142a21a0eb222c1ee529b0cc8c29da0d
SHA2568a8427fcb47a175ea4ba8acb120529505d3f464c818b66c989fd025e12e3b659
SHA512793be260d2253ff894bf7611e7a120ab542398481eccdc458d20fc702847e701009ea129bddcc85c26762e2288501f154a85b54829443b4f50c9241034dfef7f
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Filesize
42KB
MD5badd53440d1be05f1331e058f5f115e8
SHA159c5ed1448ce3b91bf93ee50dbbb1943ae8145c9
SHA256e293b6bf1b0d9c09a7b9dbf2d5f8275e288e9707285a88014fc432aa4e9c25a6
SHA512283d7313bfb72b9fec7e7cd15a2b3ad71e9583b148dfcf41004fd1d40e99346e695390f1352482d6a42b0ead6edf0bf3b718ee2a13d75e20824e606bc26ab2c9
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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
447KB
MD55098285ba89ff4d6e3dbf94a9930c644
SHA104e57552b09744b5405fdfbe7b92f5e9f8876a8d
SHA2567b66c766dad2797e4a31cdf333a0cf09a8b376a44806c3628ca540bc6dfae10f
SHA5127c9907664a303b38a761dcb407259607eac9d700db3cb36c964611a81fab86df4334b4f7af6aaba95c51ffa3dbc683d6c9a24d9930272ca7418b90e90f161c3a
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Filesize
487KB
MD582c2f40a9b8d222867024ef2b9a28507
SHA134ca79dff2556e6b30e5ffd12f5f34f00844a367
SHA25615652a0c97b6fd37e9e879c42d1ba8eb0f21f90abc214162b061137a6e18c8a4
SHA5128448adb195cddd7737847cd693bc40c6fec92b7c228c312fa91927a1e95b7eddedab18be34b62e015f5d9f4c4a066c178c2fb4ff3584ff3ef03e94c66d216394
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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
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
-
Filesize
1.8MB
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Filesize
632KB
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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
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