Analysis
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max time kernel
86s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:37
Static task
static1
Behavioral task
behavioral1
Sample
CTM FOR MT. WOOJIN EVELYN.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
CTM FOR MT. WOOJIN EVELYN.exe
Resource
win10v2004-20220414-en
General
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Target
CTM FOR MT. WOOJIN EVELYN.exe
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Size
622KB
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MD5
fced44984bbe8dd9c343c21d46cb9ded
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SHA1
8d835f1fa8f6f24e659315ebf37c3464dadd46ae
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SHA256
852a56f32acf5fd08621425269ad1980d54d40a45a2d9ef45e535edafb078098
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SHA512
dbf4c7766d5929acc037f8c4d5dbaafe633cd1bc197ad6ccd8ef60f9fa15a43dc87a4eed99b7de384c7ca22ca88e5673fa573ac42d0144cd33e702d95ea7e73a
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Lion@4321
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1340-59-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1340-60-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1340-62-0x00000000004479FE-mapping.dmp family_agenttesla behavioral1/memory/1340-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1340-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1340-66-0x0000000000400000-0x000000000044C000-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:
CTM FOR MT. WOOJIN EVELYN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CTM FOR MT. WOOJIN EVELYN.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CTM FOR MT. WOOJIN EVELYN.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CTM FOR MT. WOOJIN EVELYN.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exedescription pid process target process PID 2024 set thread context of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exepid process 1340 CTM FOR MT. WOOJIN EVELYN.exe 1340 CTM FOR MT. WOOJIN EVELYN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exedescription pid process Token: SeDebugPrivilege 1340 CTM FOR MT. WOOJIN EVELYN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exedescription pid process target process PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe PID 2024 wrote to memory of 1340 2024 CTM FOR MT. WOOJIN EVELYN.exe CTM FOR MT. WOOJIN EVELYN.exe -
outlook_office_path 1 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CTM FOR MT. WOOJIN EVELYN.exe -
outlook_win_path 1 IoCs
Processes:
CTM FOR MT. WOOJIN EVELYN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CTM FOR MT. WOOJIN EVELYN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CTM FOR MT. WOOJIN EVELYN.exe"C:\Users\Admin\AppData\Local\Temp\CTM FOR MT. WOOJIN EVELYN.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\CTM FOR MT. WOOJIN EVELYN.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1340
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1340-56-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-57-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-60-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-62-0x00000000004479FE-mapping.dmp
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memory/1340-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1340-68-0x0000000074B90000-0x000000007513B000-memory.dmpFilesize
5.7MB
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memory/2024-54-0x0000000076011000-0x0000000076013000-memory.dmpFilesize
8KB
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memory/2024-55-0x0000000074B90000-0x000000007513B000-memory.dmpFilesize
5.7MB