Analysis
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max time kernel
64s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
02-12-2022 06:28
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.12100.1746.exe
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Size
1015KB
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MD5
17a3633b6f0ddc4b4429163f3469fa81
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SHA1
5accb3182865a75312a64e87431278f1072b81ca
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SHA256
be6eddee7716fd87a1ff8c8b407bc3895b6acb165ecbaec087f1ebc4914d438c
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SHA512
83afc20ba452faccfc1dd7620286e8bcee36ca80d24e4d8613947c2499f5bc0f9e4500b720aa299365c0fdcf4a482a693ad7bc98aad60c6c87183a659fc52a11
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SSDEEP
12288:MwmIyhLfp/sVfdcYjBpxInkHKnnM4gngscPUYZYq0FCblKqQjL9QzX7BIBi8pV4c:9mBhS7uIKnMTXJu6UxKLjJQ5B8pnzTx
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5676971476:AAFdGsXW8kwzXNIluAGV-a4sJ2XBy68O9WI/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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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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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 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.12100.1746.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.12100.1746.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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\CpRpiOTi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp52F2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.12100.1746.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD54fcf1296bffb932a5887f4d7c77343c0
SHA1f754106dd6e79b560ed4f55e3a3092e7efacff44
SHA256fb9fcaa27ab77f676aed871f6086c7dc468b99e7843c25f99a5f9411984348b3
SHA512a85a269d76fc220f9290ebac6587c9b948f53569206598685c9b3a610b4ffe6b1bf65ac7ca563e699d1c44004e20ec8515a6182407aac66b2ab45f820823b560
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Filesize
1.0MB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
624KB
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Filesize
40KB
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Filesize
240KB
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Filesize
408KB
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Filesize
320KB
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