Analysis
- max time kernel
120s - max time network
124s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
14/06/2024, 01:48
General
- Target RFQ..exe
- Size 913KB
- Sample240614-b8llmsvbjp
- SHA256 18e93e86d45bf8c393d71e183bfcd26ca971afea3e868169006d69038ed626be
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
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Host
ftp://ftp.skitz.com.ng
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Port
21
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Username
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Password
Kosyano1@
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.
- 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 3 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ..exe"C:\Users\Admin\AppData\Local\Temp\RFQ..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\Local\Temp\RFQ..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\qClpySdresjj.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\qClpySdresjj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D9F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RFQ..exe"C:\Users\Admin\AppData\Local\Temp\RFQ..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
tmp8D9F.tmp
JIA21ERT3OT9N3X4ZJHT.temp
memory/1044-30-0x0000000074450000-0x0000000074B3E000-memory.dmp
memory/1044-1-0x00000000009D0000-0x0000000000AB6000-memory.dmp
memory/1044-2-0x0000000074450000-0x0000000074B3E000-memory.dmp
memory/1044-3-0x00000000005E0000-0x00000000005FA000-memory.dmp
memory/1044-4-0x0000000000490000-0x00000000004A0000-memory.dmp
memory/1044-5-0x0000000004D90000-0x0000000004E14000-memory.dmp
memory/1044-0-0x000000007445E000-0x000000007445F000-memory.dmp
memory/2716-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2716-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-27-0x0000000000400000-0x0000000000442000-memory.dmp