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Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
22/09/2023, 09:19
Static task
static1
Behavioral task
behavioral1
Sample
98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
Resource
win10-20230915-en
General
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Target
98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
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Size
657KB
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MD5
dfc0f01311be209f96d21f03d357c3b8
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SHA1
39246a932c5c5ace5a2af894838a104a25bba96d
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SHA256
98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df
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SHA512
3e554ca4055e2f09718d2f730536f125762c61063bf0b97a74b065508d9299954f8fa8adce8b9f21d342ab54c255732815ba5e966d0feb2f673abdef78099676
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SSDEEP
12288:ntHdZerD6YRFz1e0lcZiSI9GEp552pASTboSn91kHkXQRZpD1q0:lUDDDg2ME9PfcpASTM++G2pD1
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://valvulasthermovalve.cl - Port:
21 - Username:
[email protected] - Password:
LILKOOLL14!!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe Key opened \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe Key opened \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.ipify.org 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4680 set thread context of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2944 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 2944 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2944 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 PID 4680 wrote to memory of 2944 4680 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe 70 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe.log
Filesize1KB
MD50c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078