Analysis
- max time kernel
101s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
05/01/2023, 12:30
General
- Target ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe
- Size 1.0MB
- Sample230105-ppg11abh75
- SHA256 ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3
Malware Config
Extracted
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agenttesla
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Protocol
ftp
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Host
ftp://ftp.symmdentaesthetics.com/
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Port
21
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Username
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Password
smartooo@12
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Protocol
ftp
-
Host
ftp://ftp.symmdentaesthetics.com/
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Port
21
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Username
-
Password
smartooo@12
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\esRauKsP.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\esRauKsP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E05.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"C:\Users\Admin\AppData\Local\Temp\ea287c92bdc2ed4c190ebc1be7bc18b2da94ee17a6fc6e3df9d4dc06a01c0fa3.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp2E05.tmp
memory/2012-145-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3124-133-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/3124-134-0x0000000004C00000-0x0000000004C92000-memory.dmp
memory/3124-135-0x0000000004CB0000-0x0000000004CBA000-memory.dmp
memory/3124-136-0x0000000007650000-0x00000000076EC000-memory.dmp
memory/3124-132-0x0000000000160000-0x000000000026A000-memory.dmp
memory/4076-146-0x0000000005500000-0x0000000005522000-memory.dmp
memory/4076-150-0x0000000006B80000-0x0000000006BB2000-memory.dmp
memory/4076-142-0x00000000056E0000-0x0000000005D08000-memory.dmp
memory/4076-139-0x0000000002CB0000-0x0000000002CE6000-memory.dmp
memory/4076-159-0x0000000007BF0000-0x0000000007BF8000-memory.dmp
memory/4076-147-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/4076-148-0x0000000005F70000-0x0000000005FD6000-memory.dmp
memory/4076-149-0x00000000065D0000-0x00000000065EE000-memory.dmp
memory/4076-158-0x0000000007C10000-0x0000000007C2A000-memory.dmp
memory/4076-151-0x00000000707F0000-0x000000007083C000-memory.dmp
memory/4076-152-0x0000000006B60000-0x0000000006B7E000-memory.dmp
memory/4076-153-0x0000000007F10000-0x000000000858A000-memory.dmp
memory/4076-154-0x00000000078D0000-0x00000000078EA000-memory.dmp
memory/4076-155-0x0000000007940000-0x000000000794A000-memory.dmp
memory/4076-156-0x0000000007B50000-0x0000000007BE6000-memory.dmp
memory/4076-157-0x0000000007B00000-0x0000000007B0E000-memory.dmp