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Analysis
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max time kernel
143s -
max time network
121s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
13/10/2021, 17:09
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe
Resource
win10v20210408
General
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Target
SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe
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Size
551KB
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MD5
a665b705b9381b33aaa9e307fe340af7
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SHA1
a6fba4f009921b1de9d524047bcb7fa0e571a116
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SHA256
dc07322ef1652695b5e85bfd5d6da8c5b6c311d26ff13eb18a390cd4b7232203
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SHA512
b7e7ff96dce12935c71b6e6b6fc74652cd08725d8de29a91e35b0d4f8f351d14f371e2d48a3ab5fe733003764af09b6be6dc6d943112b596fa2b09a7638bbaee
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.croatiahunt.com - Port:
587 - Username:
[email protected] - Password:
VilaVrgade852
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
resource yara_rule behavioral1/memory/1660-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1660-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1660-64-0x00000000004375AE-mapping.dmp family_agenttesla behavioral1/memory/1660-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1660-65-0x0000000000400000-0x000000000043C000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\BnevyAj = "C:\\Users\\Admin\\AppData\\Roaming\\BnevyAj\\BnevyAj.exe" SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1596 set thread context of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 1660 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 1660 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe Token: SeDebugPrivilege 1660 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1596 wrote to memory of 1444 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 27 PID 1596 wrote to memory of 1444 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 27 PID 1596 wrote to memory of 1444 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 27 PID 1596 wrote to memory of 1444 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 27 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 PID 1596 wrote to memory of 1660 1596 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"2⤵PID:1444
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.23695.27244.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1660
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