Analysis
- max time kernel
135s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
10/11/2021, 14:13
General
- Target POHG18100405.exe
- Size 481KB
- Sample211110-rjepssechj
- SHA256 f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
P@$$w0rd@123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 IoCs
- 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"1⤵
- 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\Roaming\QkiSucDkVPbJA.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QkiSucDkVPbJA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AD7.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"C:\Users\Admin\AppData\Local\Temp\POHG18100405.exe"2⤵
- Drops file in Drivers directory
- 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
memory/576-147-0x00000000082A0000-0x00000000082A1000-memory.dmp
memory/576-139-0x0000000006CA2000-0x0000000006CA3000-memory.dmp
memory/576-236-0x0000000006CA3000-0x0000000006CA4000-memory.dmp
memory/576-169-0x0000000009480000-0x0000000009481000-memory.dmp
memory/576-168-0x000000007F770000-0x000000007F771000-memory.dmp
memory/576-167-0x0000000009260000-0x0000000009261000-memory.dmp
memory/576-162-0x0000000009100000-0x0000000009101000-memory.dmp
memory/576-126-0x0000000002D90000-0x0000000002D91000-memory.dmp
memory/576-127-0x0000000002D90000-0x0000000002D91000-memory.dmp
memory/576-155-0x0000000009120000-0x0000000009153000-memory.dmp
memory/576-129-0x0000000004660000-0x0000000004661000-memory.dmp
memory/576-130-0x00000000072E0000-0x00000000072E1000-memory.dmp
memory/576-148-0x0000000002D90000-0x0000000002D91000-memory.dmp
memory/576-146-0x00000000081F0000-0x00000000081F1000-memory.dmp
memory/576-145-0x00000000072C0000-0x00000000072C1000-memory.dmp
memory/576-144-0x0000000007B60000-0x0000000007B61000-memory.dmp
memory/576-138-0x0000000006CA0000-0x0000000006CA1000-memory.dmp
memory/576-143-0x00000000071F0000-0x00000000071F1000-memory.dmp
memory/576-141-0x0000000006FE0000-0x0000000006FE1000-memory.dmp
memory/576-142-0x0000000007180000-0x0000000007181000-memory.dmp
memory/1316-388-0x0000000004F20000-0x000000000541E000-memory.dmp
memory/1316-140-0x0000000004F20000-0x000000000541E000-memory.dmp
memory/1316-131-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3952-120-0x0000000004970000-0x0000000004971000-memory.dmp
memory/3952-115-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/3952-118-0x00000000049B0000-0x00000000049B1000-memory.dmp
memory/3952-123-0x0000000008390000-0x00000000083E3000-memory.dmp
memory/3952-122-0x00000000081F0000-0x00000000081F1000-memory.dmp
memory/3952-121-0x0000000004BB0000-0x0000000004BB7000-memory.dmp
memory/3952-117-0x0000000004E10000-0x0000000004E11000-memory.dmp
memory/3952-119-0x0000000004910000-0x0000000004E0E000-memory.dmp