Analysis
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max time kernel
47s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
29-09-2024 20:13
General
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Target
built.exe
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Size
5.6MB
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MD5
5480b8e0625d39560ae2bc4a329bd423
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SHA1
eb3102cbc197dd4217c7d6efb73fb0bec6678410
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SHA256
1b4e425b91b6469138cf882685b3c369e10d81b6ac3cbf46bc1e01dafac03c1a
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SHA512
454271aa8d02427fadfb30c4874e6f293aa0e4f5ae4d008889d82bb5122b1c6352e7860600c8c051f76030437d91cdc5235a3158175dbad7343156264b3340a7
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SSDEEP
98304:c24l27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:cYOuK6mn9NzgMoYkSIvUcwti7TQlvciE
Malware Config
Signatures
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MilleniumRat
MilleniumRat is a remote access trojan written in C#.
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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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Loads dropped DLL 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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Adds Run key to start application 2 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 51 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\built.exe"C:\Users\Admin\AppData\Local\Temp\built.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\built.exe /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\built.exe /f3⤵
- Adds Run key to start application
- Modifies registry key
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential 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
1.7MB
MD565ccd6ecb99899083d43f7c24eb8f869
SHA127037a9470cc5ed177c0b6688495f3a51996a023
SHA256aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4
SHA512533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d
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Filesize
712KB
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Filesize
120KB
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Filesize
320KB
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Filesize
10.8MB
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Filesize
136KB
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Filesize
40KB
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Filesize
424KB
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Filesize
232KB
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Filesize
472KB
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Filesize
5.6MB
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Filesize
8KB
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Filesize
152KB
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Filesize
72KB
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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