Analysis
- max time kernel
111s - max time network
104s - platform
windows10_x64 - resource
win10v200722 - submitted
17/08/2020, 06:13
Static task
static1
Behavioral task
behavioral1
Sample
dwfLg1nvh9wThDb.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
dwfLg1nvh9wThDb.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target dwfLg1nvh9wThDb.exe
- Size 585KB
- Sample200817-wej5clf74e
- SHA256 adbdc4cbb6b8805700fcfd618e763872f6960f5989a62c9cdffc961d9b0f3e39
- MD5 b8337565fb3352c073f800c7e50b8da5
- SHA1 f43bb17f3211257d81f3f71618c53f845f935b3a
- SHA512 490029582dd9a6820ad7c9db2f5a68b656d6855b6914026ffa64cdb1ee8265c5200af9a7eaaf07352dc67cff3b2134345c56cb90096ce5762e952c171fca1357
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.lettu.us
-
Port
587
-
Username
-
Password
western2020@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
resource yara_rule behavioral2/memory/3516-11-0x0000000000400000-0x000000000044C000-memory.dmp agent_tesla behavioral2/memory/3516-11-0x0000000000400000-0x000000000044C000-memory.dmp agent_tesla behavioral2/memory/3516-12-0x0000000000446EBE-mapping.dmp agent_tesla - 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3308 set thread context of 3516 3308 dwfLg1nvh9wThDb.exe 72 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3516 dwfLg1nvh9wThDb.exe 3516 dwfLg1nvh9wThDb.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3516 dwfLg1nvh9wThDb.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3516 dwfLg1nvh9wThDb.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72 PID 3308 wrote to memory of 3516 3308 dwfLg1nvh9wThDb.exe 72
Processes
-
C:\Users\Admin\AppData\Local\Temp\dwfLg1nvh9wThDb.exe"C:\Users\Admin\AppData\Local\Temp\dwfLg1nvh9wThDb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Users\Admin\AppData\Local\Temp\dwfLg1nvh9wThDb.exe"C:\Users\Admin\AppData\Local\Temp\dwfLg1nvh9wThDb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3516
-