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Analysis
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max time kernel
102s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
03/05/2023, 05:57
General
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Target
exn.skype,tool.3.3.exe
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Size
180KB
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MD5
72ed1f2c6330f700ed0469a2a1d99b55
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SHA1
21df402efbd21798fcbf93995b622f6631d164fe
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SHA256
eea3ceb4558862e1b367585c4e7615b71e021eec7d9ed85df2bb6c10520e0d07
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SHA512
a2a71c42b87e52b714b1dd2afd34095df9f1ef3457a26bc2915ecb492b172ef8e486c2dd56d520b002817410a3a673cb15796af94411ba456eca76371a436306
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SSDEEP
3072:lJbLe/0VeWN74RhD+RsmJe4oR2lQBV+UdE+rECWp7hKfKuV:vewFuyRBI4iBV+UdvrEFp7hKn
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
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Loads dropped DLL 1 IoCs
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in Program Files directory 2 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\exn.skype,tool.3.3.exe"C:\Users\Admin\AppData\Local\Temp\exn.skype,tool.3.3.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
192KB
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Filesize
192KB