Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231201-en -
resource tags
arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system -
submitted
05-12-2023 02:15
Static task
static1
Behavioral task
behavioral1
Sample
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe
Resource
win10v2004-20231130-en
General
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Target
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe
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Size
831KB
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MD5
760aa1072729571f7faa1242cab99ecd
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SHA1
0d09e137c6dccac3732e078c1acf0de8e0b856d7
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SHA256
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5
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SHA512
eee4fe700a951deb99edaabe3be89c928b8308c40ee4267b46b414abfbbb2e52dfb9c2d9aba2b33bd96858c04ffeb7c1e85eda2caa45e0426c59ffccc1504c89
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SSDEEP
12288:ifYNr4RFWxP45+po26iJaYi5Ehgx1RSdNggBArzzWANTXvTQxthcLLrqkUXqDJ6Z:kWk+pJnI/5A+RzgivLTXswL2kU4vRxw
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tecnosilos.com.py - Port:
587 - Username:
[email protected] - Password:
dX,@;SPvm;h{ - 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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Suspicious use of SetThreadContext 1 IoCs
Processes:
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exedescription pid process target process PID 2252 set thread context of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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
Processes:
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exepowershell.exepid process 2484 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe 2484 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe 2688 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exepowershell.exedescription pid process Token: SeDebugPrivilege 2484 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe Token: SeDebugPrivilege 2688 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exedescription pid process target process PID 2252 wrote to memory of 2688 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe powershell.exe PID 2252 wrote to memory of 2688 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe powershell.exe PID 2252 wrote to memory of 2688 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe powershell.exe PID 2252 wrote to memory of 2688 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe powershell.exe PID 2252 wrote to memory of 2740 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe schtasks.exe PID 2252 wrote to memory of 2740 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe schtasks.exe PID 2252 wrote to memory of 2740 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe schtasks.exe PID 2252 wrote to memory of 2740 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe schtasks.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe PID 2252 wrote to memory of 2484 2252 da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe"C:\Users\Admin\AppData\Local\Temp\da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kxndIv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxndIv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4818.tmp"2⤵
- Creates scheduled task(s)
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe"C:\Users\Admin\AppData\Local\Temp\da2b611c232afac3da0250001eb0de83d531744edee6c4a3cee147f56265b9e5.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2484
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5e3848e8b29caf7c633570d83815b1076
SHA1fd3a21d755702f62e914dcfe2ec1dbb0bba99606
SHA2564bcaa70fc12cf0e46d5538276a5476cb1d3be0d8c7296e49c26c5e99afae33ad
SHA512d78c1f729b4298c197be62738d8f87a8734032c2cab4f8611cbfec703a77564098e6cd025ac2320da6fa4e7fcc62dc7297aac885d9cc3706402733f2ddddbcfb