Analysis
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max time kernel
129s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-11-2024 02:15
General
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Target
38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26.exe
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Size
675KB
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MD5
314420bac969bcfb9510a0e8cc3686d6
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SHA1
66f1d0a60a2727970476a105c88883f37270e30f
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SHA256
38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26
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SHA512
debf908add95aa0849451aef830e5e71724247d352dcb5dad6b02dca0d54e4e915a9430de80d970a4e7ef3749eb2fc7c6fa7839348d84f546d5934d713e7569c
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SSDEEP
12288:C9X1yJ7/pZY7fiCI/YBfULiXPrQfkXmm1RhdLB9XFy+nM6D+:CVc7EaCQYBfcE1ZM6D+
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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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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Drops file in Program Files 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 behavior: GetForegroundWindowSpam 1 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\38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26.exe"C:\Users\Admin\AppData\Local\Temp\38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26.exe"1⤵
- Drops file in Program Files 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\w30cntzK4R.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:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\dllhost.exe"C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\dllhost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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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
675KB
MD5314420bac969bcfb9510a0e8cc3686d6
SHA166f1d0a60a2727970476a105c88883f37270e30f
SHA25638b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26
SHA512debf908add95aa0849451aef830e5e71724247d352dcb5dad6b02dca0d54e4e915a9430de80d970a4e7ef3749eb2fc7c6fa7839348d84f546d5934d713e7569c
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Filesize
202B
MD53394ab91fd0a2dd7d7b99c4a652291c4
SHA14aaf4d5c06237cd0883d6c3fbf683c4f12d9f8b5
SHA25652daa1e2427b4d6688259cbf4d338482cc11553cba31c2387297c5a3d5bfc6c9
SHA5120a4af3d9f06b22f4f4434bcd323641450576710f24d2fa470e7b3626bfa66b583022cfb1bffd211c5f00223bed49a06852832ffdd4de61ec2cf91838e8298fb3
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Filesize
4KB
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Filesize
704KB
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Filesize
9.9MB
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Filesize
112KB
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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
9.9MB
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Filesize
704KB