Analysis
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max time kernel
142s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:59
Static task
static1
Behavioral task
behavioral1
Sample
Swift_098845.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Swift_098845.exe
Resource
win10v2004-20220414-en
General
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Target
Swift_098845.exe
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Size
445KB
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MD5
233b33cb478e8e8d1a75543f039024b8
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SHA1
8d72b67ea52e0927d03d00d168bd8065fd5211c2
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SHA256
dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
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SHA512
c2acf510e40a9efefdc7c6ca1bf8574258c343adda592412c97946c33bcd02541a82bd682253e7d348ffe2ac7254c2db01d37c07609f354068fa8608e711d95e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
ImSCJnu6
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/2032-61-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2032-62-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2032-64-0x000000000044CCCE-mapping.dmp family_agenttesla behavioral1/memory/2032-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2032-68-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2032-66-0x0000000000400000-0x0000000000452000-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:
Swift_098845.exedescription 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 Swift_098845.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Swift_098845.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Swift_098845.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Swift_098845.exedescription pid process target process PID 364 set thread context of 2032 364 Swift_098845.exe Swift_098845.exe -
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 2 IoCs
Processes:
Swift_098845.exepid process 2032 Swift_098845.exe 2032 Swift_098845.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Swift_098845.exepid process 2032 Swift_098845.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Swift_098845.exedescription pid process Token: SeDebugPrivilege 2032 Swift_098845.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Swift_098845.exeSwift_098845.exedescription pid process target process PID 364 wrote to memory of 1892 364 Swift_098845.exe schtasks.exe PID 364 wrote to memory of 1892 364 Swift_098845.exe schtasks.exe PID 364 wrote to memory of 1892 364 Swift_098845.exe schtasks.exe PID 364 wrote to memory of 1892 364 Swift_098845.exe schtasks.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 364 wrote to memory of 2032 364 Swift_098845.exe Swift_098845.exe PID 2032 wrote to memory of 1964 2032 Swift_098845.exe netsh.exe PID 2032 wrote to memory of 1964 2032 Swift_098845.exe netsh.exe PID 2032 wrote to memory of 1964 2032 Swift_098845.exe netsh.exe PID 2032 wrote to memory of 1964 2032 Swift_098845.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
Swift_098845.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe -
outlook_win_path 1 IoCs
Processes:
Swift_098845.exedescription 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 Swift_098845.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AlgdnhUnFZq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED5C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpED5C.tmpFilesize
1KB
MD50bfc5db4fac7e282d05b0032930bc947
SHA13189ed12d0f25f3ae81c8298bcd07af97b69c8d4
SHA25614cb56dc4488872223d965b8e2e16b61f92e688587c9041f8c5e7c68ad3219d6
SHA512fdab0c93ab2b8fd0453dc2b2e99d6b7b0bcd80394c0de56d9825ec6eee14484e801a996f05bfaf3da1394bfb2ce3ac53fa37f7488adf1c950a01009058f9f0d5
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memory/364-54-0x00000000752A1000-0x00000000752A3000-memory.dmpFilesize
8KB
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memory/364-55-0x00000000744E0000-0x0000000074A8B000-memory.dmpFilesize
5.7MB
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memory/1892-56-0x0000000000000000-mapping.dmp
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memory/1964-71-0x0000000000000000-mapping.dmp
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memory/2032-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-59-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-62-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-64-0x000000000044CCCE-mapping.dmp
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memory/2032-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-68-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-66-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2032-70-0x00000000744E0000-0x0000000074A8B000-memory.dmpFilesize
5.7MB
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memory/2032-58-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB