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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15/12/2024, 01:01
Behavioral task
behavioral1
Sample
90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe
Resource
win10v2004-20241007-en
General
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Target
90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe
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Size
861KB
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MD5
4f317fb6f4fc58e20f80bb8054767557
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SHA1
b7d39f72903941f59b568476d3e548b3060b9af6
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SHA256
90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245
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SHA512
5210fc381b002ec82e86ef83784d94ca5c895a3eb1c9fd72751b45f142ac950a9a7127b53476ee0e800d7973bea2090f6f1a204ae04396aaa7ab620b89434f64
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SSDEEP
6144:MKFylHuqIDU7/5mgS7q0XQxvV2B/TsSZ7ADmQK5DLlHE:MK8IDC/5mi5KLsS2KhR
Malware Config
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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AgentTesla payload 6 IoCs
resource yara_rule behavioral1/memory/2816-17-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla behavioral1/memory/2816-15-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla behavioral1/memory/2816-30-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla behavioral1/memory/2816-27-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla behavioral1/memory/2816-23-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla behavioral1/memory/2816-22-0x0000000000090000-0x00000000000F6000-memory.dmp family_agenttesla -
System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs
Abuse InstallUtil to proxy execution of malicious code.
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe -
Executes dropped EXE 1 IoCs
pid Process 2816 InstallUtil.exe -
Loads dropped DLL 1 IoCs
pid Process 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral1/memory/2356-3-0x0000000000740000-0x0000000000750000-memory.dmp agile_net -
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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2356 set thread context of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 2816 InstallUtil.exe 2816 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe Token: SeDebugPrivilege 2816 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 PID 2356 wrote to memory of 2816 2356 90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe"C:\Users\Admin\AppData\Local\Temp\90ed9d25dc93f73d574a27e7b7e4806107eafc2018038840521cf44ec5f38245.exe"1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e