Analysis
- max time kernel
132s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
17/11/2021, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
quotation list.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
quotation list.exe
Resource
win10-en-20211104
General
- Target quotation list.exe
- Size 861KB
- Sample211117-h54rdaefal
- SHA256 2295e6001d04081ff43afb1ef4a609d21fc55dd6f7e8b12d7c39e43d0dc7352e
- MD5 038a00846a2e035be5ef2cceb6cbe2d1
- SHA1 f9ded1a92e1d7f6ac508cc6b474e1fb5de1c69ef
- SHA512 31be6778c989a5b2afa739b35b19f0f97f9e1efb8867c0fdc9b284b3fee1f110dbc162d0e12ed1fb69199b0d1125f45ac57646fdbd7300be6950d752510401e1
- MD5 SHA1 SHA512
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot2081699912:AAEzV3q3VjR4t3322t8vefpFLkMbp3ETawA/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/4248-135-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4248-136-0x00000000004379BE-mapping.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 quotation list.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 quotation list.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 quotation list.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3716 set thread context of 4248 3716 quotation list.exe 74 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3256 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3716 quotation list.exe 3716 quotation list.exe 3716 quotation list.exe 3716 quotation list.exe 796 powershell.exe 4248 quotation list.exe 4248 quotation list.exe 796 powershell.exe 796 powershell.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4248 quotation list.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3716 quotation list.exe Token: SeDebugPrivilege 796 powershell.exe Token: SeDebugPrivilege 4248 quotation list.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4248 quotation list.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3716 wrote to memory of 796 3716 quotation list.exe 69 PID 3716 wrote to memory of 796 3716 quotation list.exe 69 PID 3716 wrote to memory of 796 3716 quotation list.exe 69 PID 3716 wrote to memory of 3256 3716 quotation list.exe 71 PID 3716 wrote to memory of 3256 3716 quotation list.exe 71 PID 3716 wrote to memory of 3256 3716 quotation list.exe 71 PID 3716 wrote to memory of 4168 3716 quotation list.exe 73 PID 3716 wrote to memory of 4168 3716 quotation list.exe 73 PID 3716 wrote to memory of 4168 3716 quotation list.exe 73 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 PID 3716 wrote to memory of 4248 3716 quotation list.exe 74 - 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 quotation list.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 quotation list.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\quotation list.exe"C:\Users\Admin\AppData\Local\Temp\quotation list.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BkFTIYXgCD.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:796
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BkFTIYXgCD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B9B.tmp"2⤵
- Creates scheduled task(s)
PID:3256
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C:\Users\Admin\AppData\Local\Temp\quotation list.exe"C:\Users\Admin\AppData\Local\Temp\quotation list.exe"2⤵PID:4168
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C:\Users\Admin\AppData\Local\Temp\quotation list.exe"C:\Users\Admin\AppData\Local\Temp\quotation list.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4248
-