Analysis
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max time kernel
77s -
max time network
99s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
25-11-2022 04:29
General
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Target
SecuriteInfo.com.Trojan.MSIL.Crypt.15644.exe
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Size
789KB
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MD5
5b59fdd95ae6f97ce0372e1c5f893911
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SHA1
02efe00658f0586dd4e4f74ee519b748155f175c
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SHA256
edeb90f2504b6baa926fe916b136109cd1bc6091cb1c0c75e6010cd6f2f73938
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SHA512
671f18561b22adcff649077fe26d61603d95df156a3d783f2dfee35c7237546c85b60a084053fa2fad22b7f473b163251bb237682aad690eded3266118cf6cc6
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SSDEEP
12288:sc1rKZ/cGktDrxb4cqcOdPzHDFf5piPijSC+mZJbxpDF0EAmD:H1rYytDrxkOsPzJiRC+h
Malware Config
Extracted
Protocol: ftp- Host:
ftp.deconbrio.com - Port:
21 - Username:
[email protected] - Password:
Aa5nm2gb@kgb.
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.deconbrio.com - Port:
21 - Username:
[email protected] - Password:
Aa5nm2gb@kgb.
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15644.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15644.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JXDaaIYlhViWt.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JXDaaIYlhViWt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp282A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15644.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15644.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5f69026df4bee50ce033e950c558389eb
SHA13a845a2f6939c1d5534f50101b32e55cdc47f992
SHA2563538fffae52b563cefb1fe390d74b970c67f4825b1cecf39bf663f82578fff72
SHA51212fc9545eed4a081a58db8be0b4778bbe11916e68a66dffbce7ef344b1a1ae5f1f1a2130b9cd8ab57c372c679f954c7e1c68398e7419682899560f2b3b823005
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
472KB
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Filesize
248KB
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Filesize
816KB
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Filesize
48KB
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Filesize
96KB
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Filesize
8KB