Analysis
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max time kernel
84s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
23-11-2022 08:32
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.16847.11004.exe
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Size
572KB
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MD5
e10777c560dcacc0537c588c2999bd7d
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SHA1
127b2a6444a323070ec31643dabfa3803ffe2ec5
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SHA256
5b72b74c569f9a1593b4bf313a02db7e10f9e8ffb5ed73ee73ed76b1c53ad13f
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SHA512
9339898e57c77be6966a1cab1fb39860b720e762fabcbfc8c21ebf5d3995b4c907910536eb0415a404dce2e9d06dc5176d2ef6b8e1620370556798a7825eafb8
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SSDEEP
12288:Ox3aWpUo67IMwM8yzwElEkj76s4DSABfUnNI1ic6DlQOys7OoG7P8M6cFmX3Z7i:l6s4DSuUNEiT5Fysy37PjF6l
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - Email To:
[email protected]
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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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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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 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 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.Win32.CrypterX-gen.16847.11004.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16847.11004.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nDSrYRJUqGxFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C39.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16847.11004.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- 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
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Downloads
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Filesize
1KB
MD5dd44433be37a8dff28623b2c4e854ba9
SHA121c4a2218328957228b2ba1358389c22d58513a4
SHA256020b1a23662b1c221847ece73242ba7dfd68621c0724a6cbc7ee322fb84a262f
SHA5127000b949b8b7b075398579a2b28919ea45559446b3da621bd6318869636fa06f08eddc7a4bcfb4ac260c51f48e455f27bec7ef4cb59a41b5153d3c049061d1ab
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Filesize
512KB
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Filesize
8KB
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Filesize
600KB
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Filesize
240KB
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Filesize
72KB
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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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