Analysis
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max time kernel
137s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:36
Static task
static1
Behavioral task
behavioral1
Sample
RETENCIONES.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RETENCIONES.exe
Resource
win10v2004-20220414-en
General
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Target
RETENCIONES.exe
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Size
656KB
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MD5
651472198c3c8e5c47f12d08ab1b1da0
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SHA1
5dc122fd24f692ab1a2e9e63938b5991a414b3e2
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SHA256
834c9f7bd7ce054f4a5bef137584e93bfe8a018884cb5e9370ba0dae014de3db
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SHA512
1e4f46b4f0cc287a767f6da99f0fbaf6277dce43a79d31f6445188fcec6c9e3d87164107b5bb856f94a3896a752dfce109d81a45a3706030c141b98abddfc401
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 Payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/1664-54-0x0000000000FC0000-0x000000000106A000-memory.dmp family_agenttesla behavioral1/memory/964-62-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/964-63-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/964-64-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/964-65-0x000000000044B34E-mapping.dmp family_agenttesla behavioral1/memory/964-67-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/964-69-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
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.
Processes:
resource yara_rule behavioral1/memory/1664-55-0x00000000001A0000-0x00000000001B4000-memory.dmp agile_net -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RETENCIONES.exedescription pid process target process PID 1664 set thread context of 964 1664 RETENCIONES.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
RETENCIONES.exeInstallUtil.exepid process 1664 RETENCIONES.exe 1664 RETENCIONES.exe 1664 RETENCIONES.exe 964 InstallUtil.exe 964 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RETENCIONES.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1664 RETENCIONES.exe Token: SeDebugPrivilege 964 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 964 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
RETENCIONES.exedescription pid process target process PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe PID 1664 wrote to memory of 964 1664 RETENCIONES.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RETENCIONES.exe"C:\Users\Admin\AppData\Local\Temp\RETENCIONES.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/964-64-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-63-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-70-0x0000000075AE1000-0x0000000075AE3000-memory.dmpFilesize
8KB
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memory/964-69-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-67-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-59-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-62-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-60-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/964-65-0x000000000044B34E-mapping.dmp
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memory/1664-54-0x0000000000FC0000-0x000000000106A000-memory.dmpFilesize
680KB
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memory/1664-55-0x00000000001A0000-0x00000000001B4000-memory.dmpFilesize
80KB
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memory/1664-58-0x0000000000350000-0x0000000000358000-memory.dmpFilesize
32KB
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memory/1664-57-0x0000000000330000-0x0000000000338000-memory.dmpFilesize
32KB
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memory/1664-56-0x00000000001C0000-0x00000000001C8000-memory.dmpFilesize
32KB