Analysis
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max time kernel
93s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2025 02:01
Static task
static1
Behavioral task
behavioral1
Sample
QU140398.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QU140398.exe
Resource
win10v2004-20241007-en
General
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Target
QU140398.exe
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Size
814KB
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MD5
2956b5876da3f8bd63627358f39dd5bd
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SHA1
c0df48ce532c6b5a7d846f62544d8fb8f1f571f3
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SHA256
ae8d1fa58b33e9eddc5fdea9668efb2af4046b6d65d8fc34da8f70953ccd1549
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SHA512
6910ebf57121b5c76f27e2e544e548649e9145ceb243fcbd05e8d7692a281755b9c81853b6f24add9e1017a79a9575f4420a4effb2fc06248589a8072bf7f714
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SSDEEP
24576:aF8yNK1t4NK1tOqLBxq8l6umA84lWdOGAnkCQ2KfkMLx+:aKhjqR48ddiQ2KfkMLk
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mbarieservicesltd.com - Port:
587 - Username:
[email protected] - Password:
*o9H+18Q4%;M - Email To:
[email protected]
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 2636 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation QU140398.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QU140398.exe Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QU140398.exe Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QU140398.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4404 set thread context of 3172 4404 QU140398.exe 91 -
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 3 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 QU140398.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language QU140398.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2636 powershell.exe 2636 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3172 QU140398.exe Token: SeDebugPrivilege 2636 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4404 wrote to memory of 2636 4404 QU140398.exe 89 PID 4404 wrote to memory of 2636 4404 QU140398.exe 89 PID 4404 wrote to memory of 2636 4404 QU140398.exe 89 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 PID 4404 wrote to memory of 3172 4404 QU140398.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QU140398.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QU140398.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\QU140398.exe"C:\Users\Admin\AppData\Local\Temp\QU140398.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\QU140398.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2636
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C:\Users\Admin\AppData\Local\Temp\QU140398.exe"C:\Users\Admin\AppData\Local\Temp\QU140398.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3172
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82