Analysis
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max time kernel
97s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 23:34
Static task
static1
Behavioral task
behavioral1
Sample
Inquiry162020.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Inquiry162020.exe
Resource
win10v2004-20220414-en
General
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Target
Inquiry162020.exe
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Size
561KB
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MD5
545f0d6c85e724cdf181bbb695d6adb1
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SHA1
d2593a8ab114593c16b77914acddd9d917fb58a1
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SHA256
b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f
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SHA512
2b896a6b3f09148a5b912d5a4e2cf0014ddd52abc3ba38f67ca79bfc53f440802b45542cc9b4cabedd5c8e0cea9f413c0a368f98fc04adf4ad7af456cb6dceee
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
anyanwu3116
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
anyanwu3116
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
Processes:
resource yara_rule behavioral2/memory/4264-135-0x0000000000400000-0x000000000044C000-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
Processes:
Inquiry162020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Inquiry162020.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Inquiry162020.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Inquiry162020.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Inquiry162020.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Inquiry162020.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Inquiry162020.exedescription pid process target process PID 2328 set thread context of 4264 2328 Inquiry162020.exe Inquiry162020.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Inquiry162020.exepid process 4264 Inquiry162020.exe 4264 Inquiry162020.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Inquiry162020.exepid process 4264 Inquiry162020.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Inquiry162020.exedescription pid process Token: SeDebugPrivilege 4264 Inquiry162020.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Inquiry162020.exedescription pid process target process PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe PID 2328 wrote to memory of 4264 2328 Inquiry162020.exe Inquiry162020.exe -
outlook_office_path 1 IoCs
Processes:
Inquiry162020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Inquiry162020.exe -
outlook_win_path 1 IoCs
Processes:
Inquiry162020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Inquiry162020.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe"C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4264
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Inquiry162020.exe.logFilesize
507B
MD576ffb2f33cb32ade8fc862a67599e9d8
SHA1920cc4ab75b36d2f9f6e979b74db568973c49130
SHA256f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310
SHA512f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e
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memory/2328-130-0x0000000000E50000-0x0000000000EE2000-memory.dmpFilesize
584KB
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memory/2328-131-0x0000000008310000-0x00000000088B4000-memory.dmpFilesize
5.6MB
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memory/2328-132-0x0000000007E00000-0x0000000007E92000-memory.dmpFilesize
584KB
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memory/2328-133-0x0000000007EA0000-0x0000000007F3C000-memory.dmpFilesize
624KB
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memory/4264-134-0x0000000000000000-mapping.dmp
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memory/4264-135-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/4264-137-0x00000000065E0000-0x0000000006646000-memory.dmpFilesize
408KB
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memory/4264-138-0x0000000006C00000-0x0000000006C50000-memory.dmpFilesize
320KB
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memory/4264-139-0x0000000006F80000-0x0000000006F8A000-memory.dmpFilesize
40KB