Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
04/04/2022, 16:29
General
- Target AWB DHL 7214306201 Shipment Notification.exe
- Size 1.2MB
- Sample220404-ty8brshcb6
- SHA256 a08d9cab8798980e7dd0ed102dec9d6f09b072c58028cf9d2a1623bc7e77dccd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.medicare-equipment.com
-
Port
587
-
Username
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Password
AllTheBest777
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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
- 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 use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AWB DHL 7214306201 Shipment Notification.exe"C:\Users\Admin\AppData\Local\Temp\AWB DHL 7214306201 Shipment Notification.exe"1⤵
- Checks computer location settings
- 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\Roaming\ULCytaml.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\ULCytaml" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDE.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\AWB DHL 7214306201 Shipment Notification.exe"C:\Users\Admin\AppData\Local\Temp\AWB DHL 7214306201 Shipment Notification.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- 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
AWB DHL 7214306201 Shipment Notification.exe.log
tmpFDE.tmp
memory/3416-152-0x00000000064D0000-0x0000000006520000-memory.dmp
memory/3416-136-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4376-138-0x0000000005870000-0x0000000005892000-memory.dmp
memory/4376-146-0x0000000005545000-0x0000000005547000-memory.dmp
memory/4376-132-0x0000000003020000-0x0000000003056000-memory.dmp
memory/4376-151-0x0000000007F80000-0x0000000007F88000-memory.dmp
memory/4376-134-0x0000000005B80000-0x00000000061A8000-memory.dmp
memory/4376-150-0x0000000007FA0000-0x0000000007FBA000-memory.dmp
memory/4376-149-0x0000000007E90000-0x0000000007E9E000-memory.dmp
memory/4376-148-0x0000000007EE0000-0x0000000007F76000-memory.dmp
memory/4376-147-0x00000000056B0000-0x00000000056BA000-memory.dmp
memory/4376-139-0x0000000005A90000-0x0000000005AF6000-memory.dmp
memory/4376-140-0x0000000006940000-0x000000000695E000-memory.dmp
memory/4376-141-0x0000000006F20000-0x0000000006F52000-memory.dmp
memory/4376-142-0x0000000070520000-0x000000007056C000-memory.dmp
memory/4376-143-0x0000000006F00000-0x0000000006F1E000-memory.dmp
memory/4376-144-0x00000000082A0000-0x000000000891A000-memory.dmp
memory/4376-145-0x0000000007C50000-0x0000000007C6A000-memory.dmp
memory/4572-124-0x0000000000230000-0x0000000000362000-memory.dmp
memory/4572-126-0x0000000004D20000-0x0000000004DB2000-memory.dmp
memory/4572-127-0x0000000004CE0000-0x0000000004CEA000-memory.dmp
memory/4572-128-0x0000000007560000-0x00000000075FC000-memory.dmp
memory/4572-129-0x0000000007AA0000-0x0000000007B06000-memory.dmp
memory/4572-125-0x0000000005390000-0x0000000005934000-memory.dmp