Analysis
- max time kernel
4294180s - max time network
124s - platform
windows7_x64 - resource
win7-20220311-en - submitted
29/03/2022, 02:32
Static task
static1
Behavioral task
behavioral1
Sample
Payment slip.exe
Resource
win7-20220311-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Payment slip.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target Payment slip.exe
- Size 754KB
- Sample220329-c1bxxaade2
- SHA256 bbd568d64ddafd7cdcf62bb8ac92292680d8028f44461d84235db8f8e357b12c
- MD5 1f8caeb897c51852728ed27622654ac8
- SHA1 bfbd3603376bad8685bdfdad36ab0eaa3dae684b
- SHA512 1da0f9a40b0b13e5bd28997e53715d9070360ffc271dab62ceb2fe80075fa7dd382b516abc02af909589138cff8287df65c0a3f38cb83e7effa095abb15fccc8
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
resource yara_rule behavioral1/memory/332-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/332-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/332-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/332-64-0x000000000043779E-mapping.dmp family_agenttesla behavioral1/memory/332-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/332-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts Payment slip.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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment slip.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment slip.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment slip.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1280 set thread context of 332 1280 Payment slip.exe 27 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 332 Payment slip.exe 332 Payment slip.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1280 Payment slip.exe Token: SeDebugPrivilege 332 Payment slip.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 PID 1280 wrote to memory of 332 1280 Payment slip.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment slip.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment slip.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:332
-