Analysis
- max time kernel
113s - max time network
110s - platform
windows10_x64 - resource
win10 - submitted
02/09/2020, 06:21
General
- Target Document_BT24PDF.exe
- Size 836KB
- Sample200902-ehgv3benz6
- SHA256 dc2d666c38ec7694f487798c8b9574d1e9f009c8c4d2a57a5ab1de6297adf855
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.solarcenter.ro
-
Port
21
-
Username
-
Password
G,*C8w!FpT6vRSv%AL{k~wATNN@ossyguru@00998877;,,z_sFo6BO5
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Drops desktop.ini file(s) 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 4 IoCs
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe"C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe"C:\Users\Admin\AppData\Local\Temp\Document_BT24PDF.exe"2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2100-11-0x0000000000400000-0x0000000000467000-memory.dmp
memory/2100-15-0x0000000002D60000-0x0000000002D61000-memory.dmp
memory/2100-14-0x0000000002D60000-0x0000000002D61000-memory.dmp
memory/2100-13-0x0000000000400000-0x0000000000467000-memory.dmp
memory/3920-7-0x0000000007160000-0x0000000007161000-memory.dmp
memory/3920-0-0x0000000073A70000-0x000000007415E000-memory.dmp
memory/3920-8-0x0000000000980000-0x000000000098B000-memory.dmp
memory/3920-9-0x0000000008B70000-0x0000000008BF4000-memory.dmp
memory/3920-10-0x00000000073B0000-0x0000000007417000-memory.dmp
memory/3920-6-0x0000000006E60000-0x0000000006E61000-memory.dmp
memory/3920-5-0x0000000006F50000-0x0000000006F51000-memory.dmp
memory/3920-4-0x0000000007450000-0x0000000007451000-memory.dmp
memory/3920-3-0x0000000006EB0000-0x0000000006EB1000-memory.dmp
memory/3920-1-0x00000000000A0000-0x00000000000A1000-memory.dmp