Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
13/02/2024, 02:23
General
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Target
4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe
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Size
790KB
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MD5
4a8534b3579fc2e0b3903dec85a38f12
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SHA1
2506a0a6a2303e53e400de74c21474440e563e3b
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SHA256
4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7
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SHA512
08f3c76cb933735f78fe248675919d1e4a0be54030c3d810f737a2d9d8317b378656508d13e2a1b7319a212fa29a0309b85aa23f018fd419e2dceb518821a697
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SSDEEP
24576:fs3ZPyRt9g4hxWR1HJSKSta5V0CJxJUinq3:fsJ6RtugxWR1H4c5XJUinq
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.elektronikkutu.com - Port:
587 - Username:
[email protected] - Password:
9U:e3@wpS3:U7h_V - 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. 7 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 7 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 7 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 7 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 7 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 7 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 7 IoCs
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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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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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Suspicious use of SetThreadContext 1 IoCs
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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 17 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.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\Roaming\PSTnEcHsBeaZp.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\PSTnEcHsBeaZp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5fd7386aebf44fe0ae6f1347ef9fff211
SHA14249ff473033da6ec9e3ea2b9121439a8f7322c2
SHA2566e527d81e78be7ebb88a59ca42caaa3a849fd247bbf49888b7967404985fb593
SHA512063b9f0e73569f8129ec745e7daf237443bb503914c629e714b64a508f8e9ccd0e5cf9be0521349614e075ee29701ef3fa54e77e0ac7785df8aaa3e583071bb2
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Filesize
264KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
816KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
528KB
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Filesize
256KB
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Filesize
56KB
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Filesize
40KB
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Filesize
80KB