Analysis
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max time kernel
194s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:33
Static task
static1
Behavioral task
behavioral1
Sample
company profile_original.scr
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
company profile_original.scr
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
excel doc spec.scr
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
excel doc spec.scr
Resource
win10v2004-20220414-en
General
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Target
company profile_original.scr
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Size
871KB
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MD5
075cf1b8522892856efc41779993b228
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SHA1
bed6399d4e012c2e253d442db8db0d3d1f8e5307
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SHA256
2a529183f1105351617673ef3e12de1eebc24a13ca11b8d92330094bf0dc2bf5
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SHA512
3feda16bfe9b64ae39d4ad49dbf18953372091c23e741e28ceeeab043f31cdfc57d74b5c902328cee61c98cf0db77f92c2f33722cd66a3814a0465a4326cf588
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/972-54-0x0000000001360000-0x000000000143E000-memory.dmp family_agenttesla behavioral1/memory/1308-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-64-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-65-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-66-0x000000000044CD5E-mapping.dmp family_agenttesla behavioral1/memory/1308-69-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-71-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
RegAsm.exepid process 1308 RegAsm.exe -
Loads dropped DLL 2 IoCs
Processes:
company profile_original.scrRegAsm.exepid process 972 company profile_original.scr 1308 RegAsm.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.
Processes:
resource yara_rule behavioral1/memory/972-55-0x00000000001A0000-0x00000000001B4000-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 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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
company profile_original.scrdescription pid process target process PID 972 set thread context of 1308 972 company profile_original.scr RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
company profile_original.scrRegAsm.exepid process 972 company profile_original.scr 972 company profile_original.scr 972 company profile_original.scr 1308 RegAsm.exe 1308 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
company profile_original.scrRegAsm.exedescription pid process Token: SeDebugPrivilege 972 company profile_original.scr Token: SeDebugPrivilege 1308 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1308 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
company profile_original.scrRegAsm.exedescription pid process target process PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 972 wrote to memory of 1308 972 company profile_original.scr RegAsm.exe PID 1308 wrote to memory of 2024 1308 RegAsm.exe netsh.exe PID 1308 wrote to memory of 2024 1308 RegAsm.exe netsh.exe PID 1308 wrote to memory of 2024 1308 RegAsm.exe netsh.exe PID 1308 wrote to memory of 2024 1308 RegAsm.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.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 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\company profile_original.scr"C:\Users\Admin\AppData\Local\Temp\company profile_original.scr" /S1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1308 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:2024
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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\Users\Admin\AppData\Local\Temp\RegAsm.exeFilesize
63KB
MD5b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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memory/972-58-0x00000000002D0000-0x00000000002D8000-memory.dmpFilesize
32KB
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memory/972-54-0x0000000001360000-0x000000000143E000-memory.dmpFilesize
888KB
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memory/972-55-0x00000000001A0000-0x00000000001B4000-memory.dmpFilesize
80KB
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memory/972-56-0x0000000000200000-0x0000000000208000-memory.dmpFilesize
32KB
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memory/972-57-0x0000000000280000-0x0000000000288000-memory.dmpFilesize
32KB
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memory/1308-66-0x000000000044CD5E-mapping.dmp
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memory/1308-65-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-69-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-71-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1308-73-0x00000000764C1000-0x00000000764C3000-memory.dmpFilesize
8KB
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memory/1308-60-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2024-75-0x0000000000000000-mapping.dmp