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Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/01/2024, 01:57
Static task
static1
Behavioral task
behavioral1
Sample
7bda5add0d4ba2c5b1810e9f44a6c6fb.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
7bda5add0d4ba2c5b1810e9f44a6c6fb.exe
Resource
win10v2004-20231215-en
General
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Target
7bda5add0d4ba2c5b1810e9f44a6c6fb.exe
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Size
1017KB
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MD5
7bda5add0d4ba2c5b1810e9f44a6c6fb
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SHA1
857ec2f81068823ea37da355fa8fef8396230eac
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SHA256
ddfa7fe7c01cfa34c2413acc83e9f11eace8bc09e80128da2b5e2e61284df9ff
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SHA512
f39060cc82a5d3ad738ca362406494fd1c7fdb7bc352c67a3f9f77cdc13a4f74a5464f1f226f9f08ecf75f9358955e28c2199bd676d8b99ad1b9b760b63435ce
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SSDEEP
12288:5SUkOyTh0sQQ3XFkdhhgxw56hHb4ApqblAOnGh:5lrRLQnOJgsKMAAxG
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.northsrockusa.com/ - Port:
21 - Username:
[email protected] - Password:
(P%T2swlhOf}
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
resource yara_rule behavioral2/memory/1368-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe Key opened \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe Key opened \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4620 set thread context of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1368 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 1368 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1368 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1368 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 PID 4620 wrote to memory of 1368 4620 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7bda5add0d4ba2c5b1810e9f44a6c6fb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7bda5add0d4ba2c5b1810e9f44a6c6fb.exe"C:\Users\Admin\AppData\Local\Temp\7bda5add0d4ba2c5b1810e9f44a6c6fb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Users\Admin\AppData\Local\Temp\7bda5add0d4ba2c5b1810e9f44a6c6fb.exe"C:\Users\Admin\AppData\Local\Temp\7bda5add0d4ba2c5b1810e9f44a6c6fb.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1368
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