Analysis
- max time kernel
139s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
14/12/2023, 17:49
General
- Target SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe
- Size 51.0MB
- Sample231214-wd2dtsfeek
- SHA256 32c45708fc035b3cbc69b8e6e3247e3db4758b4008194ee14b47bf7faa7a4c23
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.flecon.com.sg
-
Port
587
-
Username
-
Password
8CJN6A87XUIU
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.flecon.com.sg
-
Port
587
-
Username
-
Password
8CJN6A87XUIU
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe"2⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SecuriteInfo.com.Win32.PWSX-gen.31071.19363.exe.log
memory/2688-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2688-20-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/2688-19-0x0000000006AA0000-0x0000000006AF0000-memory.dmp
memory/2688-15-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/2688-18-0x0000000005590000-0x00000000055F6000-memory.dmp
memory/2688-17-0x0000000005660000-0x0000000005670000-memory.dmp
memory/4872-61-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-63-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-89-0x00000162B26D0000-0x00000162B26D1000-memory.dmp
memory/4872-88-0x00000162B25C0000-0x00000162B25C1000-memory.dmp
memory/4872-87-0x00000162B25C0000-0x00000162B25C1000-memory.dmp
memory/4872-85-0x00000162B25B0000-0x00000162B25B1000-memory.dmp
memory/4872-73-0x00000162B23B0000-0x00000162B23B1000-memory.dmp
memory/4872-70-0x00000162B2470000-0x00000162B2471000-memory.dmp
memory/4872-67-0x00000162B2480000-0x00000162B2481000-memory.dmp
memory/4872-65-0x00000162B2470000-0x00000162B2471000-memory.dmp
memory/4872-64-0x00000162B2480000-0x00000162B2481000-memory.dmp
memory/4872-62-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-60-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-21-0x00000162AA140000-0x00000162AA150000-memory.dmp
memory/4872-37-0x00000162AA240000-0x00000162AA250000-memory.dmp
memory/4872-53-0x00000162B2830000-0x00000162B2831000-memory.dmp
memory/4872-54-0x00000162B2880000-0x00000162B2881000-memory.dmp
memory/4872-55-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-56-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-57-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-58-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4872-59-0x00000162B2860000-0x00000162B2861000-memory.dmp
memory/4948-5-0x00000000050B0000-0x00000000050BA000-memory.dmp
memory/4948-0-0x00000000005A0000-0x0000000000644000-memory.dmp
memory/4948-2-0x0000000005500000-0x0000000005AA4000-memory.dmp
memory/4948-8-0x0000000006450000-0x0000000006458000-memory.dmp
memory/4948-3-0x0000000004FF0000-0x0000000005082000-memory.dmp
memory/4948-4-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/4948-1-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/4948-16-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/4948-6-0x0000000005AB0000-0x0000000005C56000-memory.dmp
memory/4948-7-0x00000000053D0000-0x00000000053E8000-memory.dmp
memory/4948-11-0x000000000A320000-0x000000000A3BC000-memory.dmp
memory/4948-10-0x0000000007BD0000-0x0000000007C4C000-memory.dmp
memory/4948-9-0x0000000006590000-0x000000000659A000-memory.dmp