Analysis
- max time kernel
104s - max time network
107s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
12/10/2022, 05:53
General
- Target STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.exe
- Size 870KB
- Sample221012-glathscffp
- SHA256 16fa7388e5068b34b2f63ea9146e09c66680b35524bd8dd3f517583bffa1be02
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5409839916:AAEYUYZy0IhJQAm4VXi620si4okGW8FDL2w/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 7 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.exe"C:\Users\Admin\AppData\Local\Temp\STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- 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
-
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\STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.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\GDWVtLzEnD.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\GDWVtLzEnD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB904.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.exe"C:\Users\Admin\AppData\Local\Temp\STANDARD EDEN SERVICES PURCHASE ORDER 4501140425.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpB904.tmp
d93f411851d7c929.customDestinations-ms
memory/632-82-0x000000006E800000-0x000000006EDAB000-memory.dmp
memory/632-67-0x000000006E800000-0x000000006EDAB000-memory.dmp
memory/968-68-0x00000000052F0000-0x000000000532A000-memory.dmp
memory/968-55-0x0000000076831000-0x0000000076833000-memory.dmp
memory/968-56-0x0000000001E70000-0x0000000001E8A000-memory.dmp
memory/968-57-0x0000000000680000-0x000000000068C000-memory.dmp
memory/968-58-0x0000000005370000-0x0000000005404000-memory.dmp
memory/968-54-0x0000000000070000-0x000000000014E000-memory.dmp
memory/1592-73-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-69-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-72-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-70-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-74-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-79-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1592-77-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2024-61-0x000000006E800000-0x000000006EDAB000-memory.dmp
memory/2024-81-0x000000006E800000-0x000000006EDAB000-memory.dmp