Analysis
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max time kernel
130s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:48
Static task
static1
Behavioral task
behavioral1
Sample
Account details.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Account details.exe
Resource
win10v2004-20220414-en
General
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Target
Account details.exe
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Size
500KB
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MD5
2a5d400cf60040c1c57053cd19dbc479
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SHA1
1bbb9e62b9a53097be7f7da86c28641c772de45d
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SHA256
80f1087b72ddb87458b9a750c2a88e5491edf5958b29c52e307456d53666206c
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SHA512
eff99e0032fa452e7e3fc660584a6499b48139fe48e883ee2dbac9be791c57e856db2704de742dff12374d7632109fadf15a2ab0e7170e15b36c0b4fa6198809
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.newalmawared.com - Port:
587 - Username:
[email protected] - Password:
@Hd7049
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1248-60-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1248-59-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1248-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1248-62-0x0000000000446F0E-mapping.dmp family_agenttesla behavioral1/memory/1248-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1248-66-0x0000000000400000-0x000000000044C000-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:
Account details.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Account details.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Account details.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:
Account details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Account details.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Account details.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Account details.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Account details.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Account details.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 Account details.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Account details.exedescription pid process target process PID 1096 set thread context of 1248 1096 Account details.exe Account details.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Account details.exepid process 1248 Account details.exe 1248 Account details.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Account details.exedescription pid process Token: SeDebugPrivilege 1248 Account details.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Account details.exedescription pid process target process PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe PID 1096 wrote to memory of 1248 1096 Account details.exe Account details.exe -
outlook_office_path 1 IoCs
Processes:
Account details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Account details.exe -
outlook_win_path 1 IoCs
Processes:
Account details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Account details.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Account details.exe"C:\Users\Admin\AppData\Local\Temp\Account details.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Account details.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1096-54-0x0000000075E31000-0x0000000075E33000-memory.dmpFilesize
8KB
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memory/1096-55-0x0000000074EA0000-0x000000007544B000-memory.dmpFilesize
5.7MB
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memory/1248-56-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-57-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-60-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-62-0x0000000000446F0E-mapping.dmp
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memory/1248-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1248-68-0x0000000074E30000-0x00000000753DB000-memory.dmpFilesize
5.7MB