Analysis
- max time kernel
129s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
11/11/2021, 04:21
Static task
static1
Behavioral task
behavioral1
Sample
purchase order.exe
Resource
win7-en-20211104
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
purchase order.exe
Resource
win10-en-20211104
0 signatures
0 seconds
General
- Target purchase order.exe
- Size 620KB
- Sample211111-eynj2afggm
- SHA256 db76d50652ad76216521e10ffa9c3e8bd02b07499e86000bbdfb5c8f6c0efbd0
- MD5 461a3544319cb6593934453939ce30a9
- SHA1 d56a6257864ca1b78de8e79f09cd896cd2cc9c4c
- SHA512 1117abd66b3a4bef654ac2462f156bf827703c54549b3a58fcb62c61a3359bb605de0e2b11ba2016b89b1b037b4c24c0a1b01d49b3badc198e9cea18f5df8960
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.dairysystems.co.ke
-
Port
587
-
Username
-
Password
2019@systems
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral2/memory/3700-127-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3700-128-0x00000000004374CE-mapping.dmp family_agenttesla behavioral2/memory/3700-134-0x0000000004F90000-0x000000000548E000-memory.dmp family_agenttesla - 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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2624 set thread context of 3700 2624 purchase order.exe 69 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3700 purchase order.exe 3700 purchase order.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3700 purchase order.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 PID 2624 wrote to memory of 3700 2624 purchase order.exe 69 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3700
-