Analysis
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max time kernel
152s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:19
Static task
static1
Behavioral task
behavioral1
Sample
Ch2sZ3JEobY0pea.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Ch2sZ3JEobY0pea.exe
Resource
win10v2004-20220414-en
General
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Target
Ch2sZ3JEobY0pea.exe
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Size
413KB
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MD5
173056e19556d0588365ede4e8080733
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SHA1
599f827a51bf2de5af85f2d10ebae4a89901ae12
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SHA256
3f8c2a8d34d7d3f61451ea1beb9d9671cc50aa2cbe39d700a08d0215b8b7163b
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SHA512
611ecdaca3886d2a6b070ef9b7f58dee5ff40ba7a37934324e25c8d94d2c04475941a220b5e323883a596f947cb31f39bcb06dac879dc007e121a3e5b9f669d4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.lettu.us - Port:
587 - Username:
hr@lettu.us - Password:
western2020@
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/4424-135-0x0000000000400000-0x000000000044C000-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:
Ch2sZ3JEobY0pea.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ch2sZ3JEobY0pea.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ch2sZ3JEobY0pea.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ch2sZ3JEobY0pea.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Ch2sZ3JEobY0pea.exedescription pid process target process PID 3632 set thread context of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Ch2sZ3JEobY0pea.exepid process 4424 Ch2sZ3JEobY0pea.exe 4424 Ch2sZ3JEobY0pea.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Ch2sZ3JEobY0pea.exedescription pid process Token: SeDebugPrivilege 4424 Ch2sZ3JEobY0pea.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Ch2sZ3JEobY0pea.exepid process 4424 Ch2sZ3JEobY0pea.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Ch2sZ3JEobY0pea.exedescription pid process target process PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe PID 3632 wrote to memory of 4424 3632 Ch2sZ3JEobY0pea.exe Ch2sZ3JEobY0pea.exe -
outlook_office_path 1 IoCs
Processes:
Ch2sZ3JEobY0pea.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ch2sZ3JEobY0pea.exe -
outlook_win_path 1 IoCs
Processes:
Ch2sZ3JEobY0pea.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ch2sZ3JEobY0pea.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Ch2sZ3JEobY0pea.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Ch2sZ3JEobY0pea.exe.logFilesize
507B
MD5ab4c71d3ff6255edd4e5c1e09540f49e
SHA122e06bf4e258741b5df918061871cba998c50cea
SHA2561690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a
SHA5128fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af
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memory/3632-130-0x0000000000550000-0x00000000005BE000-memory.dmpFilesize
440KB
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memory/3632-131-0x0000000004E20000-0x0000000004EBC000-memory.dmpFilesize
624KB
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memory/3632-132-0x0000000004F60000-0x0000000004FF2000-memory.dmpFilesize
584KB
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memory/3632-133-0x0000000005DF0000-0x0000000006394000-memory.dmpFilesize
5.6MB
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memory/4424-134-0x0000000000000000-mapping.dmp
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memory/4424-135-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/4424-137-0x0000000005FA0000-0x0000000006006000-memory.dmpFilesize
408KB
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memory/4424-138-0x0000000006C60000-0x0000000006CB0000-memory.dmpFilesize
320KB
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memory/4424-139-0x0000000006DD0000-0x0000000006DDA000-memory.dmpFilesize
40KB