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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 16:45
General
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Target
tuc3.exe
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Size
7.6MB
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MD5
1947966c5cb027a38004295386cb6e3c
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SHA1
d550431f0e529b2a2b289df4fbd1c28e77c080ed
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SHA256
271fbd21291bc0a1c9b2fd5a6d39628ccce6e4e588487c8124dc2f4f32232ad5
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SHA512
919b6b56f340c816903f07faf666bde51348afbd6a4a2582f85eb49a0c7d2691e84b84397390db0e75a287cf4203c2b4695a442fb6b8c227f40f307b4338dc73
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SSDEEP
196608:EnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:EnnY8NELTIrxwlxQWDzj
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\tuc3.exe"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-RV674.tmp\tuc3.tmp"C:\Users\Admin\AppData\Local\Temp\is-RV674.tmp\tuc3.tmp" /SL5="$80068,7715663,68096,C:\Users\Admin\AppData\Local\Temp\tuc3.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:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.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
181KB
MD50253e49e3740adea55c3377e9b00cdf6
SHA14d5c02a92b3077fec59c8de6efd5efc1378d4cce
SHA256ddd55ada541730675731faf646488915dd136af7464a486447acde91c0b9c433
SHA5124547887a2d28f897f6ebf19e06d1a34667f23542c22387aaf8c86afa159beedaa598191844d53b599baa0eca1d09559bcc413ad852c957554a6e24ad60541878
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Filesize
73KB
MD5c446d3474da1cd1ccd88cef37713df02
SHA19a3e2ddcc3502472fa5547c71bc6da9ebdd89c84
SHA2561f91d7f56a37a743b4e20db7568eae8658930e6d41408fc3c96fdc2f366623c7
SHA512f2b265501477435f84b6a38ab5bdea5f4a9590b1d652df519de04e102299575ef37d600b78cc1e487054a3b913a3e0e62cf845748941730a46b0cb8c10f53fde
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Filesize
139KB
MD54064a314e05c499463afc3c49cf8c2bc
SHA1b9e7c541a89ece7a7524bb8ba95d5ba443b46e96
SHA256babfef71b2ee1d79efa4becfa51e58a199915c3ae3254a16aa80dcbf2340db36
SHA512e3ca0cbd24acaba5ffcf48cde654621459b72894d194ed9998d405863ea66c341f770cc107189074dd744204b793befa0e3e9718730a32bc42767b0f6649af2a
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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
616KB
MD5bc249e7afa940b52e2066cb686d0d638
SHA14c9e9494cb7f256e62fc60d7a5adc8e63fb77414
SHA2566f4078e9154e13a8c00eaebd2dae222e384a0e5456b63f53ac6bf2791818c0c5
SHA51268948d6f8237ea1babff856d0f7167cce7be171266f16dd1d81742b69478732530233b4a4640472884aa85cecc4b292806e4af2121753b221bd1167208a69316
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
96KB
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Filesize
96KB
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Filesize
752KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.6MB
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Filesize
632KB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB
-
Filesize
2.6MB
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Filesize
2.6MB
-
Filesize
2.6MB
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Filesize
2.6MB
-
Filesize
2.6MB
-
Filesize
2.6MB
-
Filesize
2.6MB
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Filesize
632KB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
2.6MB