Analysis
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max time kernel
153s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:17
Static task
static1
Behavioral task
behavioral1
Sample
New Inquiry.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
New Inquiry.exe
Resource
win10v2004-20220414-en
General
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Target
New Inquiry.exe
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Size
512KB
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MD5
8d11fb42f622b79bcbce3728437a049c
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SHA1
fbc0487e13597ca7982ecabfffb3abd2fd9483e3
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SHA256
b99e2897de9619797de119549af26eea284174a127d0757df613c1157faba6ce
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SHA512
c4de6e71b5c570d82e75f6491939f693295e7daa4f421d3bbeb078bf38374df46ae1f51d896247fbc8dad010c7f19924c1154ed250c44d07371fb08656d77316
Malware Config
Extracted
Protocol: smtp- Host:
mail.cometgroup-eg.com - Port:
587 - Username:
[email protected] - Password:
Rcomet%group@123
Extracted
agenttesla
Protocol: smtp- Host:
mail.cometgroup-eg.com - Port:
587 - Username:
[email protected] - Password:
Rcomet%group@123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3904-140-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
New Inquiry.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion New Inquiry.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion New Inquiry.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
New Inquiry.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation New Inquiry.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
New Inquiry.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 New Inquiry.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 New Inquiry.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 New Inquiry.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
New Inquiry.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum New Inquiry.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 New Inquiry.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New Inquiry.exedescription pid process target process PID 2308 set thread context of 3904 2308 New Inquiry.exe New Inquiry.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
New Inquiry.exeNew Inquiry.exepid process 2308 New Inquiry.exe 2308 New Inquiry.exe 2308 New Inquiry.exe 3904 New Inquiry.exe 3904 New Inquiry.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
New Inquiry.exeNew Inquiry.exedescription pid process Token: SeDebugPrivilege 2308 New Inquiry.exe Token: SeDebugPrivilege 3904 New Inquiry.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
New Inquiry.exepid process 3904 New Inquiry.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
New Inquiry.exedescription pid process target process PID 2308 wrote to memory of 3980 2308 New Inquiry.exe schtasks.exe PID 2308 wrote to memory of 3980 2308 New Inquiry.exe schtasks.exe PID 2308 wrote to memory of 3980 2308 New Inquiry.exe schtasks.exe PID 2308 wrote to memory of 820 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 820 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 820 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe PID 2308 wrote to memory of 3904 2308 New Inquiry.exe New Inquiry.exe -
outlook_office_path 1 IoCs
Processes:
New Inquiry.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 New Inquiry.exe -
outlook_win_path 1 IoCs
Processes:
New Inquiry.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 New Inquiry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\New Inquiry.exe"1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zHhnxcwpaTNbYO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53EC.tmp"2⤵
- Creates scheduled task(s)
PID:3980 -
C:\Users\Admin\AppData\Local\Temp\New Inquiry.exe"{path}"2⤵PID:820
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C:\Users\Admin\AppData\Local\Temp\New Inquiry.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3904
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5da742f3c4d64b11c382f4d8937e6b4d0
SHA180882d6daede17366ac0d9c4ac45d084a564701d
SHA2561d2a56d1ce86bfe9166004c05a39923a66c6e61bed7bfcf6416ee01e4f219e4d
SHA512d6bd45cdb211e2b07c837d4320ae97431643dc509165c254a69839624fd77191c57c1391f2a44fa6c3319b228589ed53a5658c9175c867f1c976274fff60acf8