Analysis
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max time kernel
142s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-06-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe
Resource
win7-20240221-en
General
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Target
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe
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Size
705KB
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MD5
fc225e29dc7fc45a700476e1ec78084f
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SHA1
29eb09ffdbe967ea1a46c3fd31ff06c26fc3e7c7
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SHA256
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3
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SHA512
43881dc9387d302a065d488221f942104ab4ae18551015d029d647112fccf4181cadc8cc46762f7c36d4cbb44ae988714ae7fbc3e066c8ef3d875aef6a84e1d8
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SSDEEP
12288:BMlKt/rFfaz9XjB1hCpmUthz5dZGGvt+U9NX0HFO2d46wspwm:UKN5iRzBTCUMl6et+qNXSX46wspX
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.appar.cam - Port:
587 - Username:
[email protected] - Password:
=wEIfelBf=J7 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid Process 3064 powershell.exe 2696 powershell.exe -
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:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription pid Process procid_target PID 2732 set thread context of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 -
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 4 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exepowershell.exepowershell.exepid Process 2176 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 2176 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 2696 powershell.exe 3064 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exepowershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2176 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 3064 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exepid Process 2176 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription pid Process procid_target PID 2732 wrote to memory of 3064 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 28 PID 2732 wrote to memory of 3064 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 28 PID 2732 wrote to memory of 3064 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 28 PID 2732 wrote to memory of 3064 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 28 PID 2732 wrote to memory of 2696 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 30 PID 2732 wrote to memory of 2696 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 30 PID 2732 wrote to memory of 2696 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 30 PID 2732 wrote to memory of 2696 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 30 PID 2732 wrote to memory of 2988 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 32 PID 2732 wrote to memory of 2988 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 32 PID 2732 wrote to memory of 2988 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 32 PID 2732 wrote to memory of 2988 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 32 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34 PID 2732 wrote to memory of 2176 2732 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064
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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\aycJWvDvs.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aycJWvDvs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB951.tmp"2⤵
- Creates scheduled task(s)
PID:2988
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C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2176
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD571c1730e3a200ca8fd0dd12af7ca9e19
SHA179eb2b846c10f304a28fae091ed9361615c0e4ea
SHA2564b83dcfe4e73902a718d5b80904f1793592c9d07984d28a6e9059a7e76edc4e3
SHA5121c82efd0f592f4285bde87fb565b8921d9b6bb18e9ff04ae492a3b397b08ec3ba1681b072cb05c1102adffa4a0d9fb9ab371110373cd218795200c798388330a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZMTNLHPOLIB34EQV92OB.temp
Filesize7KB
MD56ac925a6c3fcd828bc2309ee0ee967c8
SHA147dcc7040dab16f00b6e728ac5325b60998e2eae
SHA2563cf382bae70741e928655e99ddfd9a2b21f1d24d38de607b70eff29e36235422
SHA512fb0ff6b7e9937d507d0bfa360f2cf0caa301b1364b7570777ed2727504699277855d4756776a8afdc0e5609f3b1a70597a8f5fde082a48364d9c449fac81f6bd