Analysis
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max time kernel
150s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:02
Behavioral task
behavioral1
Sample
CL00485Q1902589CLSCTB.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
CL00485Q1902589CLSCTB.exe
Resource
win10v2004-20220414-en
General
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Target
CL00485Q1902589CLSCTB.exe
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Size
512KB
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MD5
c608f248429afc058f2a9b0ba3a3e98f
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SHA1
46b3668dc85850542e96bab175a4c23d34d1155e
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SHA256
8d47f598292fe9256f28a9b23751612ba420e885d9cf09fb8d389fb2b53ea5ac
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SHA512
7770b281d9d6ef400d476cf78c95e6cc192b2842d7628354df25223e1d45056f60aa11ae22ea0766552eb75cc91c24b79330c8c70fb77b34e3cc83651443040a
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
amblessed22
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
amblessed22
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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SnakeBOT
SnakeBOT is a heavily obfuscated .NET downloader.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/840-136-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Contains SnakeBOT related strings 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1120-130-0x0000000000940000-0x00000000009CA000-memory.dmp snakebot_strings -
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:
CL00485Q1902589CLSCTB.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CL00485Q1902589CLSCTB.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CL00485Q1902589CLSCTB.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CL00485Q1902589CLSCTB.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CL00485Q1902589CLSCTB.exedescription pid process target process PID 1120 set thread context of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CL00485Q1902589CLSCTB.exepid process 840 CL00485Q1902589CLSCTB.exe 840 CL00485Q1902589CLSCTB.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exedescription pid process Token: SeDebugPrivilege 1120 CL00485Q1902589CLSCTB.exe Token: SeDebugPrivilege 840 CL00485Q1902589CLSCTB.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exepid process 1120 CL00485Q1902589CLSCTB.exe 1120 CL00485Q1902589CLSCTB.exe 840 CL00485Q1902589CLSCTB.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exedescription pid process target process PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 1120 wrote to memory of 840 1120 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe PID 840 wrote to memory of 528 840 CL00485Q1902589CLSCTB.exe netsh.exe PID 840 wrote to memory of 528 840 CL00485Q1902589CLSCTB.exe netsh.exe PID 840 wrote to memory of 528 840 CL00485Q1902589CLSCTB.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
CL00485Q1902589CLSCTB.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CL00485Q1902589CLSCTB.exe -
outlook_win_path 1 IoCs
Processes:
CL00485Q1902589CLSCTB.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 CL00485Q1902589CLSCTB.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe"C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe"{path}"2⤵
- 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:840 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:528
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5400f1cc1a0a0ce1cdabda365ab3368ce
SHA11ecf683f14271d84f3b6063493dce00ff5f42075
SHA256c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765
SHA51214c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45