Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/05/2024, 08:21
General
- Target 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
- Size 852KB
- Sample240518-j82a4abe2x
- SHA256 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"1⤵
- Checks computer location settings
- 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\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CbRuDkAHPqI.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\CbRuDkAHPqI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C92.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
__PSScriptPolicyTest_gn1zoswt.euf.ps1
tmp7C92.tmp
memory/444-6-0x0000000006390000-0x0000000006434000-memory.dmp
memory/444-4-0x0000000004D80000-0x0000000004D8A000-memory.dmp
memory/444-5-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/444-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp
memory/444-7-0x0000000005100000-0x000000000511E000-memory.dmp
memory/444-8-0x0000000005130000-0x0000000005140000-memory.dmp
memory/444-9-0x0000000006300000-0x0000000006382000-memory.dmp
memory/444-10-0x0000000008A50000-0x0000000008AEC000-memory.dmp
memory/444-0-0x00000000750EE000-0x00000000750EF000-memory.dmp
memory/444-47-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/444-2-0x0000000005170000-0x0000000005714000-memory.dmp
memory/444-1-0x00000000001F0000-0x00000000002CC000-memory.dmp
memory/1076-88-0x0000000006E40000-0x0000000006E90000-memory.dmp
memory/1076-44-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1480-20-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/1480-81-0x0000000007330000-0x0000000007338000-memory.dmp
memory/1480-80-0x0000000007350000-0x000000000736A000-memory.dmp
memory/1480-79-0x0000000007250000-0x0000000007264000-memory.dmp
memory/1480-65-0x0000000070E20000-0x0000000070E6C000-memory.dmp
memory/1480-86-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/1480-45-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/3036-15-0x0000000002580000-0x00000000025B6000-memory.dmp
memory/3036-34-0x00000000058B0000-0x0000000005C04000-memory.dmp
memory/3036-49-0x00000000060D0000-0x000000000611C000-memory.dmp
memory/3036-48-0x0000000005E60000-0x0000000005E7E000-memory.dmp
memory/3036-51-0x0000000070E20000-0x0000000070E6C000-memory.dmp
memory/3036-61-0x0000000007030000-0x000000000704E000-memory.dmp
memory/3036-50-0x0000000006430000-0x0000000006462000-memory.dmp
memory/3036-62-0x0000000007050000-0x00000000070F3000-memory.dmp
memory/3036-63-0x00000000077D0000-0x0000000007E4A000-memory.dmp
memory/3036-23-0x00000000050C0000-0x0000000005126000-memory.dmp
memory/3036-64-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/3036-75-0x0000000007200000-0x000000000720A000-memory.dmp
memory/3036-76-0x0000000007410000-0x00000000074A6000-memory.dmp
memory/3036-77-0x0000000007390000-0x00000000073A1000-memory.dmp
memory/3036-78-0x00000000073C0000-0x00000000073CE000-memory.dmp
memory/3036-24-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/3036-22-0x0000000004FA0000-0x0000000004FC2000-memory.dmp
memory/3036-19-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/3036-18-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/3036-16-0x0000000005210000-0x0000000005838000-memory.dmp
memory/3036-87-0x00000000750E0000-0x0000000075890000-memory.dmp
memory/3036-17-0x00000000750E0000-0x0000000075890000-memory.dmp