Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2023, 10:25
Static task
static1
Behavioral task
behavioral1
Sample
epoDTL977.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
epoDTL977.exe
Resource
win10v2004-20230220-en
General
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Target
epoDTL977.exe
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Size
735KB
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MD5
cbbed27bc3cfba04a905ed8c79a39475
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SHA1
08161535644583cc802a420f47132228a06924ae
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SHA256
cf599f4ac8687578eaf120368869e271c425962b9af352d6b206c9a238e8000d
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SHA512
ff64faa91f4d7daca9b702e5d52953c4852a67b5e076dd622791ef6bb80c771f716dea1ab5f85df3d860ccbb6a8f589ac01c96db1ce23434caaeb5f57bd9ab19
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SSDEEP
12288:Tqev53+XiAXs7rMmQBgWRS4NShawWieGZ5pnBl0LYldlzM+t:d5+X5uMmQBgWRlfiDpBlbPlQ8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.glassy.com.tr - Port:
587 - Username:
[email protected] - Password:
Sc2017* - 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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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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation epoDTL977.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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 epoDTL977.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 epoDTL977.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 epoDTL977.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Myapp = "C:\\Users\\Admin\\AppData\\Roaming\\Myapp\\Myapp.exe" epoDTL977.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4968 set thread context of 3840 4968 epoDTL977.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
pid Process 1908 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4968 epoDTL977.exe 4968 epoDTL977.exe 384 powershell.exe 384 powershell.exe 3840 epoDTL977.exe 3840 epoDTL977.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4968 epoDTL977.exe Token: SeDebugPrivilege 384 powershell.exe Token: SeDebugPrivilege 3840 epoDTL977.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4968 wrote to memory of 384 4968 epoDTL977.exe 90 PID 4968 wrote to memory of 384 4968 epoDTL977.exe 90 PID 4968 wrote to memory of 384 4968 epoDTL977.exe 90 PID 4968 wrote to memory of 1908 4968 epoDTL977.exe 92 PID 4968 wrote to memory of 1908 4968 epoDTL977.exe 92 PID 4968 wrote to memory of 1908 4968 epoDTL977.exe 92 PID 4968 wrote to memory of 4196 4968 epoDTL977.exe 94 PID 4968 wrote to memory of 4196 4968 epoDTL977.exe 94 PID 4968 wrote to memory of 4196 4968 epoDTL977.exe 94 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 PID 4968 wrote to memory of 3840 4968 epoDTL977.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 epoDTL977.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 epoDTL977.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YHcSRzVpK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:384
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YHcSRzVpK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD031.tmp"2⤵
- Creates scheduled task(s)
PID:1908
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C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"2⤵PID:4196
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C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"C:\Users\Admin\AppData\Local\Temp\epoDTL977.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3840
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56a6356fb18aeb3dd93e93b5a925afa6b
SHA13dbf6d887d8fffbfa3092efdd5dafa4a1b239fad
SHA256fc09df6cd4191d13203c511aa55f6e2e91f26d0ef6f7b435fc93c222ab276342
SHA5129a9e4e388abbc5bf5e6a5fc18ffbd08dd93c71d9d5fceb94d98eb768c9c055ba50dca9ee2e14be2495a0207e9d2d6c1649b93e28d4c3f80f1e687993618d0035