Analysis
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max time kernel
125s -
max time network
128s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
20-10-2021 09:45
Static task
static1
Behavioral task
behavioral1
Sample
Swift copy.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Swift copy.exe
Resource
win10-en-20210920
General
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Target
Swift copy.exe
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Size
436KB
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MD5
27c466c70e60445b429623de8101a6d5
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SHA1
f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2
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SHA256
a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064
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SHA512
2496f0e97c67384670b2800ba5fd9f005921594aa9c55ccc9e266cfb9cb58874542f1b818e8e433e79c83c0c98ba44806e8abc231d2b9bce7efac34ea39afa77
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ekdantlab.co.in - Port:
587 - Username:
[email protected] - Password:
muruga@123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/504-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/504-128-0x00000000004376FE-mapping.dmp family_agenttesla behavioral2/memory/504-141-0x00000000050D0000-0x00000000055CE000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
Swift copy.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts Swift copy.exe -
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 copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift copy.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift copy.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift copy.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Swift copy.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe" Swift copy.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Swift copy.exedescription pid process target process PID 1796 set thread context of 504 1796 Swift copy.exe Swift copy.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 7 IoCs
Processes:
Swift copy.exeSwift copy.exepowershell.exepid process 1796 Swift copy.exe 1796 Swift copy.exe 504 Swift copy.exe 504 Swift copy.exe 3628 powershell.exe 3628 powershell.exe 3628 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Swift copy.exepowershell.exeSwift copy.exedescription pid process Token: SeDebugPrivilege 1796 Swift copy.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 504 Swift copy.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Swift copy.exedescription pid process target process PID 1796 wrote to memory of 3628 1796 Swift copy.exe powershell.exe PID 1796 wrote to memory of 3628 1796 Swift copy.exe powershell.exe PID 1796 wrote to memory of 3628 1796 Swift copy.exe powershell.exe PID 1796 wrote to memory of 3464 1796 Swift copy.exe schtasks.exe PID 1796 wrote to memory of 3464 1796 Swift copy.exe schtasks.exe PID 1796 wrote to memory of 3464 1796 Swift copy.exe schtasks.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe PID 1796 wrote to memory of 504 1796 Swift copy.exe Swift copy.exe -
outlook_office_path 1 IoCs
Processes:
Swift copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift copy.exe -
outlook_win_path 1 IoCs
Processes:
Swift copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFFJSJku" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2288.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/504-128-0x00000000004376FE-mapping.dmp
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memory/504-126-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/504-141-0x00000000050D0000-0x00000000055CE000-memory.dmpFilesize
5.0MB
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memory/504-386-0x00000000050D0000-0x00000000055CE000-memory.dmpFilesize
5.0MB
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memory/1796-122-0x0000000008490000-0x0000000008491000-memory.dmpFilesize
4KB
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memory/1796-121-0x00000000051E0000-0x00000000051E7000-memory.dmpFilesize
28KB
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memory/1796-120-0x0000000004CD0000-0x0000000004CD1000-memory.dmpFilesize
4KB
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memory/1796-123-0x0000000008630000-0x0000000008688000-memory.dmpFilesize
352KB
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memory/1796-119-0x0000000004CF0000-0x00000000051EE000-memory.dmpFilesize
5.0MB
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memory/1796-118-0x0000000004CF0000-0x0000000004CF1000-memory.dmpFilesize
4KB
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memory/1796-117-0x00000000051F0000-0x00000000051F1000-memory.dmpFilesize
4KB
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memory/1796-115-0x0000000000420000-0x0000000000421000-memory.dmpFilesize
4KB
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memory/3464-125-0x0000000000000000-mapping.dmp
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memory/3628-136-0x0000000007560000-0x0000000007561000-memory.dmpFilesize
4KB
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memory/3628-144-0x0000000008390000-0x0000000008391000-memory.dmpFilesize
4KB
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memory/3628-133-0x0000000007780000-0x0000000007781000-memory.dmpFilesize
4KB
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memory/3628-129-0x0000000001170000-0x0000000001171000-memory.dmpFilesize
4KB
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memory/3628-137-0x0000000007600000-0x0000000007601000-memory.dmpFilesize
4KB
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memory/3628-138-0x0000000004C40000-0x0000000004C41000-memory.dmpFilesize
4KB
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memory/3628-139-0x00000000076E0000-0x00000000076E1000-memory.dmpFilesize
4KB
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memory/3628-140-0x0000000004C42000-0x0000000004C43000-memory.dmpFilesize
4KB
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memory/3628-127-0x0000000001170000-0x0000000001171000-memory.dmpFilesize
4KB
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memory/3628-142-0x0000000008030000-0x0000000008031000-memory.dmpFilesize
4KB
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memory/3628-143-0x0000000007DB0000-0x0000000007DB1000-memory.dmpFilesize
4KB
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memory/3628-130-0x0000000004B00000-0x0000000004B01000-memory.dmpFilesize
4KB
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memory/3628-145-0x00000000086C0000-0x00000000086C1000-memory.dmpFilesize
4KB
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memory/3628-146-0x0000000001170000-0x0000000001171000-memory.dmpFilesize
4KB
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memory/3628-153-0x00000000095E0000-0x0000000009613000-memory.dmpFilesize
204KB
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memory/3628-160-0x00000000095A0000-0x00000000095A1000-memory.dmpFilesize
4KB
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memory/3628-165-0x0000000009710000-0x0000000009711000-memory.dmpFilesize
4KB
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memory/3628-166-0x000000007E2E0000-0x000000007E2E1000-memory.dmpFilesize
4KB
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memory/3628-167-0x00000000098E0000-0x00000000098E1000-memory.dmpFilesize
4KB
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memory/3628-236-0x0000000004C43000-0x0000000004C44000-memory.dmpFilesize
4KB
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memory/3628-124-0x0000000000000000-mapping.dmp