Analysis
- max time kernel
95s - max time network
45s - platform
windows7_x64 - resource
win7-20220414-en - submitted
24/05/2022, 04:35
General
- Target SecuriteInfo.com.Variant.Ursu.713017.14219.exe
- Size 711KB
- Sample220524-e7nldsfec8
- SHA256 cee0ec8b4807de91c78cd4addc645a5143b10e73b9406f92f11cc61752e2ac1f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
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Username
-
Password
tdodsbkaaxkycrdl
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.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\FiWjWLHwGGHgEE.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\FiWjWLHwGGHgEE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB02E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpB02E.tmp
memory/520-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-75-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-73-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/520-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-76-0x000000006E3E0000-0x000000006E98B000-memory.dmp
memory/1836-58-0x0000000004C05000-0x0000000004C16000-memory.dmp
memory/1836-64-0x0000000005280000-0x00000000052BC000-memory.dmp
memory/1836-63-0x00000000047C0000-0x00000000047C6000-memory.dmp
memory/1836-54-0x0000000001020000-0x00000000010D8000-memory.dmp
memory/1836-57-0x0000000007EA0000-0x0000000007F3A000-memory.dmp
memory/1836-56-0x0000000000910000-0x000000000091E000-memory.dmp
memory/1836-55-0x0000000075501000-0x0000000075503000-memory.dmp