Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
23-05-2024 01:08
General
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Target
14ce526032b5ba32eee02d91119ed9fe15b9590b18a359d04627e1e97d7a6e86.exe
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Size
844KB
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MD5
1449687555ad3c34204cbb9dc286603a
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SHA1
e43f55d0e375853f27c9786193d7614289c7f7b6
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SHA256
14ce526032b5ba32eee02d91119ed9fe15b9590b18a359d04627e1e97d7a6e86
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SHA512
d848e98b6031a1d092e9652fed86f4346fcad44d6c5a68bf9776a02f373047f01b72a7b7fd5004950c1f458a2607659cc3415d837e6e7650387bd3909925da76
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SSDEEP
12288:sWx504bFtx504bFWxmiuHPRNaQZiZ5hfPBTdPl5yyuQCUGWcfPFkwV8fFX37a:Jw4bjw4bquH5N125TAPQsXFkhn7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.airfilterstechnologies.com - Port:
587 - Username:
[email protected] - Password:
#airfilterstechnologies - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\14ce526032b5ba32eee02d91119ed9fe15b9590b18a359d04627e1e97d7a6e86.exe"C:\Users\Admin\AppData\Local\Temp\14ce526032b5ba32eee02d91119ed9fe15b9590b18a359d04627e1e97d7a6e86.exe"1⤵
- Adds Run key to start application
- 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\14ce526032b5ba32eee02d91119ed9fe15b9590b18a359d04627e1e97d7a6e86.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\Roaming\uLhLhiEXSD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uLhLhiEXSD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BCF.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4BCF.tmpFilesize
1KB
MD545b4a0f8d41af507cd910d79ec8fd1a8
SHA1465dfd2fe02c6f78bc5f6710cf09db088c4fa6bf
SHA2560cd83115a8e44128094780a54ece019d756e659daed801be654adfd4d284858f
SHA512a7fa04456e49e0a4a060366d496733075796c3286dc75b56be96ccbaff99c1f7f3d1b3b450510636f4b76c314409ffea03d0842fb45db5a28bc1db9f9910dd4e
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD5be019a796b08ad7f04c79461340fc5b8
SHA1f4da50960c1fd1196dd875c7877fa7d6645c36d8
SHA256fd52deed72a9b58bdbf87d041c94dcdc1d775a44bbaa44f08d37b76f7b49df16
SHA51260bc11b69eb27c3241b6efca461022a07345811002507dd485920cf0edb67cb79cc0405a201f4bd3ab7030186501b5c95632418f827e177884128d756d26e24a
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memory/1620-0-0x000000007413E000-0x000000007413F000-memory.dmpFilesize
4KB
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memory/1620-1-0x0000000000CD0000-0x0000000000DA6000-memory.dmpFilesize
856KB
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memory/1620-2-0x0000000074130000-0x000000007481E000-memory.dmpFilesize
6.9MB
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memory/1620-3-0x0000000000570000-0x000000000058A000-memory.dmpFilesize
104KB
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memory/1620-4-0x0000000000530000-0x0000000000540000-memory.dmpFilesize
64KB
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memory/1620-5-0x00000000055C0000-0x0000000005644000-memory.dmpFilesize
528KB
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memory/1620-18-0x00000000047A0000-0x00000000047E2000-memory.dmpFilesize
264KB
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memory/1620-19-0x000000007413E000-0x000000007413F000-memory.dmpFilesize
4KB
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memory/1620-20-0x0000000074130000-0x000000007481E000-memory.dmpFilesize
6.9MB