Analysis
- max time kernel
152s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
12/04/2022, 12:30
General
- Target e910b3100b7625654adefa8b4ba3d4be.exe
- Size 888KB
- Sample220412-ppgegaeee4
- SHA256 5fa21d45a8b8150fa278d16bfd918344bbd3c102318d0e35b53d10a412b9e21d
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
DANIEL3116
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
DANIEL3116
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Adds Run key to start application 2 TTPs 1 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e910b3100b7625654adefa8b4ba3d4be.exe"C:\Users\Admin\AppData\Local\Temp\e910b3100b7625654adefa8b4ba3d4be.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\YYeFDSGuFwTDeb.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\YYeFDSGuFwTDeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15BA.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\e910b3100b7625654adefa8b4ba3d4be.exe"C:\Users\Admin\AppData\Local\Temp\e910b3100b7625654adefa8b4ba3d4be.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
e910b3100b7625654adefa8b4ba3d4be.exe.log
tmp15BA.tmp
memory/1872-125-0x0000000005E40000-0x00000000063E4000-memory.dmp
memory/1872-126-0x0000000005950000-0x00000000059E2000-memory.dmp
memory/1872-127-0x0000000005A10000-0x0000000005A1A000-memory.dmp
memory/1872-128-0x0000000009480000-0x000000000951C000-memory.dmp
memory/1872-129-0x0000000009A00000-0x0000000009A66000-memory.dmp
memory/1872-124-0x0000000000EB0000-0x0000000000F94000-memory.dmp
memory/2372-136-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2372-142-0x0000000006A70000-0x0000000006AC0000-memory.dmp
memory/2828-138-0x00000000051C0000-0x00000000051E2000-memory.dmp
memory/2828-145-0x00000000067A0000-0x00000000067BE000-memory.dmp
memory/2828-132-0x0000000002860000-0x0000000002896000-memory.dmp
memory/2828-139-0x0000000005440000-0x00000000054A6000-memory.dmp
memory/2828-140-0x00000000061F0000-0x000000000620E000-memory.dmp
memory/2828-141-0x0000000004EF5000-0x0000000004EF7000-memory.dmp
memory/2828-143-0x00000000067C0000-0x00000000067F2000-memory.dmp
memory/2828-144-0x0000000070E60000-0x0000000070EAC000-memory.dmp
memory/2828-134-0x0000000005530000-0x0000000005B58000-memory.dmp
memory/2828-146-0x0000000007C20000-0x000000000829A000-memory.dmp
memory/2828-147-0x00000000075A0000-0x00000000075BA000-memory.dmp
memory/2828-148-0x0000000007620000-0x000000000762A000-memory.dmp
memory/2828-149-0x0000000007820000-0x00000000078B6000-memory.dmp
memory/2828-150-0x00000000077D0000-0x00000000077DE000-memory.dmp
memory/2828-151-0x00000000078E0000-0x00000000078FA000-memory.dmp
memory/2828-152-0x00000000078C0000-0x00000000078C8000-memory.dmp