Analysis
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max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
05-12-2024 15:05
General
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Target
48B90C11912E9C7147D86C55D1E2CC94.exe
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Size
2.4MB
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MD5
48b90c11912e9c7147d86c55d1e2cc94
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SHA1
ffc71fb727607913aa176c85f75972f1ac6fda7c
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SHA256
bb0f507a87420a0597cdc40917ea1ba9c9576d3e750db3f9b66802b19550c9e7
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SHA512
175b7358de82827ca29ecef204fa2451ba44e3e3fc373f65bc40d2d888d43a5d0bc778a78f714e47369b8d9a5b37faa4106e912bb53b13791714d1c7773431f8
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SSDEEP
24576:WCihq6FXaYuCw7sULqPyZwSxIshnWIjm7vZAjX+ez87TkQPI1QOmYNnNQ671:VihHsYIlwSx9WkiLekTk1FN
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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DCRat payload 3 IoCs
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Executes dropped EXE 1 IoCs
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Drops file in Program Files directory 2 IoCs
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Drops file in Windows directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\48B90C11912E9C7147D86C55D1E2CC94.exe"C:\Users\Admin\AppData\Local\Temp\48B90C11912E9C7147D86C55D1E2CC94.exe"1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\t6Mkc3OWgq.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Program Files (x86)\Internet Explorer\taskhost.exe"C:\Program Files (x86)\Internet Explorer\taskhost.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
181B
MD51813da386354dededa48c469e3e01d61
SHA177a68ec858de8f26a66df64b21073863899d083a
SHA256add4f1faae5bbd3ebe3908cdb64701a16387bd88fa45f2b053bdfeced517e3af
SHA51285f6944846b7e35be286d75a482612ca5c2ff950a5c4fef9fdbc97acfbed2bfdb3406f4f71d8d2e767c7bd44a057241449e3cde34fc9331f519c0dfe25a57e42
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Filesize
2.4MB
MD548b90c11912e9c7147d86c55d1e2cc94
SHA1ffc71fb727607913aa176c85f75972f1ac6fda7c
SHA256bb0f507a87420a0597cdc40917ea1ba9c9576d3e750db3f9b66802b19550c9e7
SHA512175b7358de82827ca29ecef204fa2451ba44e3e3fc373f65bc40d2d888d43a5d0bc778a78f714e47369b8d9a5b37faa4106e912bb53b13791714d1c7773431f8
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Filesize
9.9MB
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Filesize
96KB
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Filesize
9.9MB
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Filesize
56KB
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Filesize
4KB
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Filesize
112KB
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Filesize
64KB
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Filesize
72KB
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Filesize
64KB
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Filesize
56KB
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Filesize
64KB
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Filesize
56KB
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Filesize
72KB
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Filesize
9.9MB
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Filesize
64KB
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Filesize
88KB
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Filesize
9.9MB
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Filesize
152KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
64KB
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Filesize
64KB
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Filesize
9.9MB
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Filesize
360KB
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Filesize
56KB
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Filesize
64KB
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Filesize
56KB
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Filesize
96KB
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Filesize
48KB
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Filesize
312KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
2.5MB
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Filesize
2.5MB