Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
22-11-2024 01:37
General
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Target
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe
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Size
954KB
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MD5
23f897e47d52c7dc3edb5c1940fff117
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SHA1
4698094f14bb757fb97cd929219a1be5b964e1d1
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SHA256
65aeb80fc40d54a4d91ca9b6f5891e82430c90e400f77419bc6ddd2805e6812f
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SHA512
9cb32ef1166956e55eeb2faed128be82ed9bf54b3fabc0f630b00cb8ee0a74809424dd15663dacfedadbe2d30a9e2cb4b35fffab0cc4b5dfd5fa264617b1e048
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SSDEEP
24576:kMxEE1zRlzxW/ZzM2mDpTCqtCNzb7nVL:1zRnW1M2mDsqtCB7nN
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.normagroup.com.tr - Port:
21 - Username:
[email protected] - Password:
Qb.X[.j.Yfm[
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe"C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe"C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808803.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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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
256KB
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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
256KB
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Filesize
4KB
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Filesize
528KB
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Filesize
4KB
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Filesize
72KB
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Filesize
6.9MB
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Filesize
976KB
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Filesize
6.9MB
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Filesize
6.9MB