Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
07/06/2022, 09:05
General
- Target Swift005.exe
- Size 812KB
- Sample220607-k17zcaghhp
- SHA256 3498e69e334581c805530427ca10f48bdfd3c4084cb8a55c4046589b15cf9d74
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5511781308:AAErVun6zYTGbB-eAQSqQ9eKk2k67n-ILNw/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift005.exe"C:\Users\Admin\AppData\Local\Temp\Swift005.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\hcvmrchY.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\hcvmrchY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51E9.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Swift005.exe"C:\Users\Admin\AppData\Local\Temp\Swift005.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\Swift005.exe"C:\Users\Admin\AppData\Local\Temp\Swift005.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp51E9.tmp
memory/2852-154-0x0000000006750000-0x00000000067A0000-memory.dmp
memory/2852-143-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3840-131-0x0000000005180000-0x0000000005724000-memory.dmp
memory/3840-132-0x0000000004C70000-0x0000000004D02000-memory.dmp
memory/3840-133-0x0000000004C20000-0x0000000004C2A000-memory.dmp
memory/3840-134-0x00000000087B0000-0x000000000884C000-memory.dmp
memory/3840-135-0x0000000008DA0000-0x0000000008E06000-memory.dmp
memory/3840-130-0x0000000000190000-0x0000000000262000-memory.dmp
memory/4656-144-0x0000000005880000-0x00000000058A2000-memory.dmp
memory/4656-149-0x0000000006D50000-0x0000000006D6E000-memory.dmp
memory/4656-138-0x0000000002E90000-0x0000000002EC6000-memory.dmp
memory/4656-145-0x00000000060D0000-0x0000000006136000-memory.dmp
memory/4656-146-0x00000000067C0000-0x00000000067DE000-memory.dmp
memory/4656-147-0x0000000006D70000-0x0000000006DA2000-memory.dmp
memory/4656-148-0x0000000070F30000-0x0000000070F7C000-memory.dmp
memory/4656-140-0x00000000059A0000-0x0000000005FC8000-memory.dmp
memory/4656-150-0x0000000008100000-0x000000000877A000-memory.dmp
memory/4656-151-0x0000000007AC0000-0x0000000007ADA000-memory.dmp
memory/4656-152-0x0000000007B30000-0x0000000007B3A000-memory.dmp
memory/4656-153-0x0000000007D40000-0x0000000007DD6000-memory.dmp
memory/4656-155-0x0000000007CF0000-0x0000000007CFE000-memory.dmp
memory/4656-156-0x0000000007E00000-0x0000000007E1A000-memory.dmp
memory/4656-157-0x0000000007DE0000-0x0000000007DE8000-memory.dmp