Analysis
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max time kernel
97s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 13:17
Static task
static1
Behavioral task
behavioral1
Sample
85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe
Resource
win10v2004-20241007-en
General
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Target
85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe
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Size
547KB
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MD5
534a9e3a61bbd6f0f7d02aeef95447ca
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SHA1
22acf40cad82e517773f2308096b63ecb54f8b53
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SHA256
85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2
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SHA512
c41c2732b24223ccaa731ea302886427ca7232d39cb75fc0237c535208a32c9fb161f8e76786dabbf66af0b09ef40c94f248eb2b08823c554851d85f371819fd
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SSDEEP
12288:QL1LAYtv/h/IMMeFHlpAAM0q+nROj0ree/9Qc1oYppuERrGIgOSdwxb7DysieZ8e:EBdhQMMeFHvMJ+R4QtDQWMMb7D2eZl
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.smjcontrols.com - Port:
587 - Username:
[email protected] - Password:
P@ssw0rd
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5020 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dteRDmO = "C:\\Users\\Admin\\AppData\\Roaming\\dteRDmO\\dteRDmO.exe" 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3968 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5020 powershell.exe 3996 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 3996 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 5020 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 3996 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4804 wrote to memory of 5020 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 98 PID 4804 wrote to memory of 5020 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 98 PID 4804 wrote to memory of 5020 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 98 PID 4804 wrote to memory of 3968 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 100 PID 4804 wrote to memory of 3968 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 100 PID 4804 wrote to memory of 3968 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 100 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 PID 4804 wrote to memory of 3996 4804 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe"C:\Users\Admin\AppData\Local\Temp\85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPrNwjtiJDvRDg.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5020
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPrNwjtiJDvRDg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3786.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3968
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C:\Users\Admin\AppData\Local\Temp\85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe"C:\Users\Admin\AppData\Local\Temp\85ffa93b0f8801f2f65214a567b77ea64a1528ad25b674923ac82ac32244a3f2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3996
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51aeea8167571907fdc222f8b3d026caf
SHA18a15f162bb00a2ae2429526468886474f642d475
SHA2560da5a5ed02048d27aa8b42014958cd04a0032ea3c8a9f676f7c12947381e0ec6
SHA51254ee68ba361c7b4e4c346ae8f3fe6f61ee3ce0b7b1dfbec00121d4bb6f424042ef334a547a6fc672c96d51913750cee63872fef673db53f37d383c815ce7eebb