Analysis
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max time kernel
111s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-07-2021 15:25
General
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Target
6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe
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Size
887KB
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MD5
8edea84854ac21f8a056f647d010fd0d
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SHA1
3f328de3b2df09e90ef319fe0dacc7dfb585a831
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SHA256
6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7
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SHA512
3836df64e8624248e111d30aa1c665e229d24c9fe0877543156e58d932d6ed1b692c61bc9aa1c74b7b2ab33f19d7cfedbda5193d13d5f8478ca77ad998a5b38a
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.vistakencana.com.my - Port:
587 - Username:
[email protected] - Password:
m33R3bus!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Adds Run key to start application 2 TTPs 1 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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 12 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe"C:\Users\Admin\AppData\Local\Temp\6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- 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\Local\Temp\6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\sELElpWT.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\sELElpWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2ED1.tmp"2⤵
- Creates scheduled task(s)
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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\sELElpWT.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe"C:\Users\Admin\AppData\Local\Temp\6ca42fe27fbffcc87eb0995f36e945d8e62e0c06ea606be6a32382eb557970b7.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
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4KB
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4KB
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4KB
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Filesize
5.0MB
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4KB
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228KB
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460KB
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108KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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240KB
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204KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB