Analysis
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max time kernel
61s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
22-12-2024 02:01
General
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Target
04069d6dc8c9b79d04e96c9cd2950a374abe0c2604110c27227f60a851da123d.exe
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Size
25.5MB
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MD5
b9c8dee5e0470b21d27b1a70afe25495
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SHA1
955aebc905591be2c45fb95ac689374552455b58
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SHA256
04069d6dc8c9b79d04e96c9cd2950a374abe0c2604110c27227f60a851da123d
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SHA512
995ea49bdcba082927264e6dca3ac5d45ad8e152a3c9d71b9f63881e10537f866b5f45e1634af5bc1c44fb36fb0ec48b1a0ece866e1f58d14c2dcc46a0c88cf7
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SSDEEP
98304:vS4Lhcl+62txet6kccrV00zSO76bgkVB:vS4yA62txY1cc0XOubtVB
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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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 4 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: CmdExeWriteProcessMemorySpam 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 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\04069d6dc8c9b79d04e96c9cd2950a374abe0c2604110c27227f60a851da123d.exe"C:\Users\Admin\AppData\Local\Temp\04069d6dc8c9b79d04e96c9cd2950a374abe0c2604110c27227f60a851da123d.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\YEYuzHhn1P.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\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\sppsvc.exe"C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\sppsvc.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- 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
214B
MD580e90de022743540f01495eb8de2b78c
SHA1d8df3e86831cfb6ac67ca2e81dfcb667c15db926
SHA2566faa6da0f34427dd294bbdec87541f09cdf227c9a10ef22d17b370a6eab95b9f
SHA5129300f7b2b5abc53aa12c1fe02f417ae4d5d8b40434fc061fb99b15679c804cbb2d43816f47e6243f856cb5cdcd19c409b4ae055303a8efef10d25559e30569a3
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Filesize
25.5MB
MD5b9c8dee5e0470b21d27b1a70afe25495
SHA1955aebc905591be2c45fb95ac689374552455b58
SHA25604069d6dc8c9b79d04e96c9cd2950a374abe0c2604110c27227f60a851da123d
SHA512995ea49bdcba082927264e6dca3ac5d45ad8e152a3c9d71b9f63881e10537f866b5f45e1634af5bc1c44fb36fb0ec48b1a0ece866e1f58d14c2dcc46a0c88cf7
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Filesize
3.0MB
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Filesize
88KB
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Filesize
96KB
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Filesize
56KB
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Filesize
9.9MB
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Filesize
72KB
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Filesize
64KB
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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
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
4KB
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Filesize
112KB
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Filesize
9.9MB
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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
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
4KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
3.0MB