Analysis
- max time kernel
141s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - 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 2 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\tmpC39F.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⤵
-
-
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⤵
-
-
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/3884-11-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/3884-6-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
memory/3884-8-0x0000000005480000-0x0000000005481000-memory.dmp
memory/3884-9-0x0000000005800000-0x0000000005801000-memory.dmp
memory/3884-10-0x00000000054A0000-0x00000000054A9000-memory.dmp
memory/3884-2-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3884-12-0x00000000061B0000-0x0000000006214000-memory.dmp
memory/3884-7-0x0000000005650000-0x0000000005651000-memory.dmp
memory/3884-5-0x0000000005510000-0x0000000005511000-memory.dmp
memory/3884-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/4072-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4072-18-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/4072-22-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/4072-24-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/4072-25-0x0000000005DC0000-0x0000000005DC1000-memory.dmp