Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
23-05-2024 01:20
General
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Target
f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe
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Size
865KB
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MD5
335d7670cd3baf2eb351af9e91c525f8
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SHA1
09d29d313bd687e8aff1892db673a3fc47a5af45
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SHA256
f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6
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SHA512
f81eddece62dbad05ca09bd7f2bc51004fe8205a600628963bcbe270a0280ee627f12fcaf030794b54bbb8c4fb0dac8256cb7c09b69597b839d9f619340cc862
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SSDEEP
24576:jBVbtgi9W7utV+PNG/DY7i1ZOdut3iuv7lo:jBVbtTgVVCbM+3/lo
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.klptruck.hu - Port:
21 - Username:
[email protected] - Password:
kCu}[Z7z+)S[
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 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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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 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe"C:\Users\Admin\AppData\Local\Temp\f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe"1⤵
- 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\iGZIaA.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\iGZIaA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp447F.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57ef82baf320d04b4270b7faeac579cb4
SHA18e81b180c3e8f532dfedbfda804d031666d84717
SHA256ec14ab8c97b66acd7507c2a1762d4b423645611d3f569bbae4c7f897c0b1bd73
SHA512b15a918d2c712c1df46026964665efe0a086df60c41bb536adb5ca70f00e3f74686396b2648faa91ea115084e910d054c474a9820658d35104db53bbb5bbed8f
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Filesize
4KB
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Filesize
888KB
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Filesize
6.9MB
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Filesize
120KB
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Filesize
664KB
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Filesize
64KB
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Filesize
528KB
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Filesize
264KB
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Filesize
4KB
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Filesize
6.9MB