Analysis
- max time kernel
135s - max time network
138s - platform
windows10_x64 - resource
win10v200722 - submitted
17/09/2020, 12:12
Static task
static1
Behavioral task
behavioral1
Sample
PO#ZT20-09.exe
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO#ZT20-09.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target PO#ZT20-09.exe
- Size 824KB
- Sample200917-lbr5vdtaca
- SHA256 614052880e43375009bd02fcb10e8399d2e855cff58fc27ad94711dee1973186
- MD5 8dd4b37fd7a9aee8a08697d48efee8c7
- SHA1 4623f64905bc2ecdcd3fb7acadfe3355e8be0e49
- SHA512 6c24faa9a78fc6369f1e73abb6787abee930fbd97a9e75afc7e3a88d16fca4ac309f3024461cec65d48c740d11468b5b748d70b9aeada370a46e46b40c3d8d90
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.vasudeva.in
-
Port
587
-
Username
-
Password
fK;Ham+t#DpR;T?jQ;
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/2616-9-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2616-10-0x00000000004374EE-mapping.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts PO#ZT20-09.exe - 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.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" PO#ZT20-09.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3740 set thread context of 2616 3740 PO#ZT20-09.exe 75 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3740 PO#ZT20-09.exe 3740 PO#ZT20-09.exe 3740 PO#ZT20-09.exe 3740 PO#ZT20-09.exe 2616 PO#ZT20-09.exe 2616 PO#ZT20-09.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3740 PO#ZT20-09.exe Token: SeDebugPrivilege 2616 PO#ZT20-09.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75 PID 3740 wrote to memory of 2616 3740 PO#ZT20-09.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#ZT20-09.exe"C:\Users\Admin\AppData\Local\Temp\PO#ZT20-09.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Users\Admin\AppData\Local\Temp\PO#ZT20-09.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
-