Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-01-2025 07:21
General
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Target
05f1f2214c8b7b660817c4849fdf5537.exe
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Size
737KB
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MD5
05f1f2214c8b7b660817c4849fdf5537
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SHA1
6af7aeb3078376bff17f06cd4c53993b31a48475
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SHA256
c4abef44de234ff0d02add4b4a79084c2e1362944059a7207e621432e395b9a5
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SHA512
58f46b2840f2165d4b51cbb1d39146929587c7d95de9711e0dec11a9c44b446429a7a49bd0c68473e97cb0880f9fb80b0466c75ffccfa848b655af91689eec23
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SSDEEP
12288:y+Tn9t4LxmlM9Itv2/JJMA+UpW3Ari4VVyZC0+1cqwNZ6:y+TnQmxv2BJMA+U3iE0nqY6
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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Process spawned unexpected child process 6 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
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DCRat payload 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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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Modifies registry class 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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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 8 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\05f1f2214c8b7b660817c4849fdf5537.exe"C:\Users\Admin\AppData\Local\Temp\05f1f2214c8b7b660817c4849fdf5537.exe"1⤵
- Checks computer location settings
- Modifies registry class
- 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\cZHOHUwpUK.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:\Users\Admin\AppData\Local\MsWebView2\fontdrvhost.exe"C:\Users\Admin\AppData\Local\MsWebView2\fontdrvhost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\AppData\Local\MsWebView2\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\MsWebView2\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\AppData\Local\MsWebView2\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "05f1f2214c8b7b660817c4849fdf55370" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\05f1f2214c8b7b660817c4849fdf5537.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "05f1f2214c8b7b660817c4849fdf5537" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\05f1f2214c8b7b660817c4849fdf5537.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "05f1f2214c8b7b660817c4849fdf55370" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\Local\Temp\05f1f2214c8b7b660817c4849fdf5537.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
737KB
MD505f1f2214c8b7b660817c4849fdf5537
SHA16af7aeb3078376bff17f06cd4c53993b31a48475
SHA256c4abef44de234ff0d02add4b4a79084c2e1362944059a7207e621432e395b9a5
SHA51258f46b2840f2165d4b51cbb1d39146929587c7d95de9711e0dec11a9c44b446429a7a49bd0c68473e97cb0880f9fb80b0466c75ffccfa848b655af91689eec23
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Filesize
183B
MD5c46161a6a7294e1ac1403ed3f3bf1cce
SHA1316ee8f7381dd8481fd1c75cde10a4ab04a5aa54
SHA256e0889684ad9bbfbb398967d88b556efed9b1787259e681185e131e0766838fc8
SHA512afb69ae035cb5c65c295952326ed9034b8e5e4630148018bc5195a929ad4b650a027cc29b1cdfceb2268620c7a1a7a6e2b71bcce9eb26d37e65d3138ef333d81
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Filesize
96KB
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Filesize
56KB
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Filesize
112KB
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Filesize
320KB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
760KB