Analysis
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max time kernel
142s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:24
Static task
static1
Behavioral task
behavioral1
Sample
Catalogue-Disinfectant 1.scr
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Catalogue-Disinfectant 1.scr
Resource
win10v2004-20220414-en
General
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Target
Catalogue-Disinfectant 1.scr
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Size
553KB
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MD5
0d9af17e7af59794c369d1c480a4dc1d
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SHA1
3d74c23fecabe7389aedd61b07f0ab23cf11ecdd
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SHA256
ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d
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SHA512
a55bec9c2e0e5ea0e64b8366c012db07a53b15facbb857786548ca9ef2631a6279d76f537c834df7ce0b7da3d87db6b65e936f112e767b9eaa12243a0cea9cc2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
333link00win0303
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/1540-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1540-64-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1540-66-0x000000000044C7AE-mapping.dmp family_agenttesla behavioral1/memory/1540-65-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1540-68-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1540-70-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/1636-56-0x0000000004340000-0x0000000004398000-memory.dmp rezer0 -
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:
Catalogue-Disinfectant 1.scrdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalogue-Disinfectant 1.scr Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalogue-Disinfectant 1.scr Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalogue-Disinfectant 1.scr -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Catalogue-Disinfectant 1.scrdescription pid process target process PID 1636 set thread context of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Catalogue-Disinfectant 1.scrCatalogue-Disinfectant 1.scrpid process 1636 Catalogue-Disinfectant 1.scr 1636 Catalogue-Disinfectant 1.scr 1540 Catalogue-Disinfectant 1.scr 1540 Catalogue-Disinfectant 1.scr -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Catalogue-Disinfectant 1.scrCatalogue-Disinfectant 1.scrdescription pid process Token: SeDebugPrivilege 1636 Catalogue-Disinfectant 1.scr Token: SeDebugPrivilege 1540 Catalogue-Disinfectant 1.scr -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Catalogue-Disinfectant 1.scrpid process 1540 Catalogue-Disinfectant 1.scr -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Catalogue-Disinfectant 1.scrCatalogue-Disinfectant 1.scrdescription pid process target process PID 1636 wrote to memory of 1712 1636 Catalogue-Disinfectant 1.scr schtasks.exe PID 1636 wrote to memory of 1712 1636 Catalogue-Disinfectant 1.scr schtasks.exe PID 1636 wrote to memory of 1712 1636 Catalogue-Disinfectant 1.scr schtasks.exe PID 1636 wrote to memory of 1712 1636 Catalogue-Disinfectant 1.scr schtasks.exe PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1636 wrote to memory of 1540 1636 Catalogue-Disinfectant 1.scr Catalogue-Disinfectant 1.scr PID 1540 wrote to memory of 1668 1540 Catalogue-Disinfectant 1.scr netsh.exe PID 1540 wrote to memory of 1668 1540 Catalogue-Disinfectant 1.scr netsh.exe PID 1540 wrote to memory of 1668 1540 Catalogue-Disinfectant 1.scr netsh.exe PID 1540 wrote to memory of 1668 1540 Catalogue-Disinfectant 1.scr netsh.exe -
outlook_office_path 1 IoCs
Processes:
Catalogue-Disinfectant 1.scrdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalogue-Disinfectant 1.scr -
outlook_win_path 1 IoCs
Processes:
Catalogue-Disinfectant 1.scrdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalogue-Disinfectant 1.scr
Processes
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C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr"C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyCgiShv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB91.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr"{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
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDB91.tmpFilesize
1KB
MD5d4ef37faea9f5475a0fbdac391c69480
SHA16594a4b710a98485f15ba6959f59948284c329bb
SHA256d80b335e1927989d625156ea3fe6400de54da7b72411c235d0b22c132cdea0ff
SHA5122fc4d5c2d96ebc81abe5f3f7c1705d94a0f72434a8aa4f8c5dd4f199c494c565290e8c30b41be8d59aca07c784b5f5b1235e10251a09c2b2445f32b6dc13076f
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memory/1540-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-65-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-70-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-68-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-66-0x000000000044C7AE-mapping.dmp
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memory/1540-60-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1540-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1636-54-0x0000000000BF0000-0x0000000000C80000-memory.dmpFilesize
576KB
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memory/1636-55-0x0000000000600000-0x0000000000616000-memory.dmpFilesize
88KB
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memory/1636-56-0x0000000004340000-0x0000000004398000-memory.dmpFilesize
352KB
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memory/1636-57-0x0000000076171000-0x0000000076173000-memory.dmpFilesize
8KB
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memory/1668-72-0x0000000000000000-mapping.dmp
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memory/1712-58-0x0000000000000000-mapping.dmp