Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 11:45
General
- Target SecuriteInfo.com.Trojan.PackedNET.576.12750.21331.exe
- Size 773KB
- Sample210331-pntqtkkrbx
- SHA256 17a08f17e69c29763d0e6e6758da98d34c724c5918cbf3e3fa4539b4a4876bc9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
browse9ja
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.576.12750.21331.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.576.12750.21331.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tnUcLRxDsNpT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.576.12750.21331.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.576.12750.21331.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1596-2-0x0000000074450000-0x0000000074B3E000-memory.dmp
memory/1596-3-0x0000000000800000-0x0000000000801000-memory.dmp
memory/1596-5-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/1596-6-0x0000000000330000-0x0000000000339000-memory.dmp
memory/1596-7-0x0000000005010000-0x0000000005074000-memory.dmp
memory/1856-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1856-12-0x0000000074450000-0x0000000074B3E000-memory.dmp
memory/1856-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1856-15-0x0000000004B20000-0x0000000004B21000-memory.dmp