Analysis
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max time kernel
169s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2022 07:28
Behavioral task
behavioral1
Sample
1640-66-0x0000000000640000-0x000000000066E000-memory.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1640-66-0x0000000000640000-0x000000000066E000-memory.exe
Resource
win10v2004-20220812-en
General
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Target
1640-66-0x0000000000640000-0x000000000066E000-memory.exe
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Size
184KB
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MD5
48ba03d1e13710e00d3dacf7281a1bc7
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SHA1
7831343f843f2b1df401efb00e74522b0c967d49
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SHA256
e0b5bc79fe3d74d5a0c5eed537237011050b7938c64f76ab8c1d16aebb49ba8f
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SHA512
ccc6ef6d7d2965658e3e6768fe98b10253fefaffc499028002aba6c818cd2373fabd891f1730585c3efd357b2450a1b9910ebb8ec52addecab46aaa3fb756aa5
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SSDEEP
3072:HObc7X3kFXKSambUzo/udoXTDvbpV1WJ57u9CXKB9eO/0kn7CbmB:MO3kVKr0Uzo/ecL1Au9C6B9eO/0EGb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.crownoffice.xyz - Port:
587 - Username:
[email protected] - Password:
GRACEoverflow123@
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
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1640-66-0x0000000000640000-0x000000000066E000-memory.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1640-66-0x0000000000640000-0x000000000066E000-memory.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1640-66-0x0000000000640000-0x000000000066E000-memory.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe" 1640-66-0x0000000000640000-0x000000000066E000-memory.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.
Processes:
flow ioc 11 api.ipify.org 12 api.ipify.org -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exepid process 2232 1640-66-0x0000000000640000-0x000000000066E000-memory.exe 2232 1640-66-0x0000000000640000-0x000000000066E000-memory.exe 2232 1640-66-0x0000000000640000-0x000000000066E000-memory.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exedescription pid process Token: SeDebugPrivilege 2232 1640-66-0x0000000000640000-0x000000000066E000-memory.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exepid process 2232 1640-66-0x0000000000640000-0x000000000066E000-memory.exe -
outlook_office_path 1 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1640-66-0x0000000000640000-0x000000000066E000-memory.exe -
outlook_win_path 1 IoCs
Processes:
1640-66-0x0000000000640000-0x000000000066E000-memory.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1640-66-0x0000000000640000-0x000000000066E000-memory.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1640-66-0x0000000000640000-0x000000000066E000-memory.exe"C:\Users\Admin\AppData\Local\Temp\1640-66-0x0000000000640000-0x000000000066E000-memory.exe"1⤵
- 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:2232