Analysis
- max time kernel
90s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
19/04/2022, 10:18
Static task
static1
Behavioral task
behavioral1
Sample
Invoice 0012.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Invoice 0012.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target Invoice 0012.exe
- Size 1018KB
- Sample220419-mbx4ysccej
- SHA256 1c2a86f4af3edfb07a7930f58159eefe0adb058b60618a3277543ac212acea50
- MD5 9f11f1bbb3910d2ba45487103bdf126f
- SHA1 16111568d6f25bbf02471ee917bbae8b3a2dbbf3
- SHA512 7aead22ae4086460ffcbd7c82706e0949b32f4d09227de6f9f1c25f66d7287ef9159ed27c0ab2f2b76c4a465de9886a403ddd99ce61f1115c5f576cc76c9f154
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.caesarbay.com
-
Port
587
-
Username
-
Password
pu@2020
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.caesarbay.com
-
Port
587
-
Username
-
Password
pu@2020
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
- 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 0012.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 0012.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 0012.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4836 set thread context of 4176 4836 Invoice 0012.exe 85 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4176 Invoice 0012.exe 4176 Invoice 0012.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4176 Invoice 0012.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4176 Invoice 0012.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 PID 4836 wrote to memory of 4176 4836 Invoice 0012.exe 85 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 0012.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 0012.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice 0012.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 0012.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Users\Admin\AppData\Local\Temp\Invoice 0012.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 0012.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4176
-