Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 04:18
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.exe
- Size 719KB
- Sample240403-ewyl8afh2s
- SHA256 53ffe79bd4c176d257a5b0a5a147ecaa522356d3ea80ab83dc6f8c55bd545c08
Malware Config
Extracted
-
Protocol
smtp
-
Host
nl9.nlkoddos.com
-
Port
587
-
Username
-
Password
Myname321@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
nl9.nlkoddos.com
-
Port
587
-
Username
-
Password
Myname321@
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.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
SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.15700.19501.exe.log
memory/2196-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2196-19-0x0000000005690000-0x00000000056A0000-memory.dmp
memory/2196-18-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/2196-17-0x0000000006C90000-0x0000000006CE0000-memory.dmp
memory/2196-16-0x00000000054B0000-0x0000000005516000-memory.dmp
memory/2196-15-0x0000000005690000-0x00000000056A0000-memory.dmp
memory/2196-13-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/3540-8-0x00000000079E0000-0x0000000007A64000-memory.dmp
memory/3540-9-0x000000000A110000-0x000000000A1AC000-memory.dmp
memory/3540-1-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/3540-7-0x0000000005700000-0x000000000570C000-memory.dmp
memory/3540-14-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/3540-6-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3540-5-0x0000000005150000-0x000000000515A000-memory.dmp
memory/3540-4-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/3540-3-0x00000000051B0000-0x0000000005242000-memory.dmp
memory/3540-2-0x0000000005760000-0x0000000005D04000-memory.dmp
memory/3540-0-0x00000000006F0000-0x00000000007A6000-memory.dmp