Analysis
- max time kernel
112s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220901-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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 8 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 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
- Checks computer location settings
- 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
-
-
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
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GDWVtLzEnD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E89.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
powershell.exe.log
StartupProfileData-NonInteractive
tmp6E89.tmp
memory/2940-161-0x0000000007790000-0x0000000007798000-memory.dmp
memory/2940-156-0x00000000074E0000-0x00000000074EA000-memory.dmp
memory/2940-152-0x000000006FEA0000-0x000000006FEEC000-memory.dmp
memory/2940-150-0x0000000007120000-0x0000000007152000-memory.dmp
memory/3528-148-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3528-158-0x0000000006920000-0x0000000006970000-memory.dmp
memory/4556-137-0x000000000A490000-0x000000000A52C000-memory.dmp
memory/4556-133-0x0000000005600000-0x0000000005BA4000-memory.dmp
memory/4556-134-0x0000000005050000-0x00000000050E2000-memory.dmp
memory/4556-135-0x00000000061D0000-0x00000000067E8000-memory.dmp
memory/4556-132-0x00000000006A0000-0x000000000077E000-memory.dmp
memory/4556-136-0x00000000051E0000-0x00000000051EA000-memory.dmp
memory/4556-138-0x000000000A7A0000-0x000000000A806000-memory.dmp
memory/5016-153-0x00000000065D0000-0x00000000065EE000-memory.dmp
memory/5016-151-0x000000006FEA0000-0x000000006FEEC000-memory.dmp
memory/5016-154-0x0000000007980000-0x0000000007FFA000-memory.dmp
memory/5016-155-0x0000000007340000-0x000000000735A000-memory.dmp
memory/5016-149-0x0000000006020000-0x000000000603E000-memory.dmp
memory/5016-157-0x00000000075C0000-0x0000000007656000-memory.dmp
memory/5016-141-0x0000000005250000-0x0000000005878000-memory.dmp
memory/5016-159-0x0000000007570000-0x000000000757E000-memory.dmp
memory/5016-160-0x0000000007680000-0x000000000769A000-memory.dmp
memory/5016-145-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/5016-144-0x00000000051B0000-0x00000000051D2000-memory.dmp
memory/5016-140-0x0000000002740000-0x0000000002776000-memory.dmp