Analysis
- max time kernel
55s - max time network
106s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:32
Static task
static1
Behavioral task
behavioral1
Sample
aa558c81327c9c4a8fbd7fc573d62c4c.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
aa558c81327c9c4a8fbd7fc573d62c4c.exe
Resource
win10v20201028
General
- Target aa558c81327c9c4a8fbd7fc573d62c4c.exe
- Size 423KB
- Sample201109-ddddvxm796
- SHA256 578f0c45d373956b4048324e019135abe012411ed17d3137ed32dfd2ee30d720
- MD5 aa558c81327c9c4a8fbd7fc573d62c4c
- SHA1 7e10c6420512e1055336cc68815d3037704d84a2
- SHA512 0d6231648961f17f80a22e123a40312cc74dbeebaaddfd32bfe1bbdecc180ba192461ac132e112e09fe8c0060201b15259e925ba144e468078004e4b1cb296d1
- MD5 SHA1 SHA512
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.myownpanel.xyz
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Port
587
-
Username
-
Password
}c_+Hm5e8wWq
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/864-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/864-3-0x000000000044749E-mapping.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1020 set thread context of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 - 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.
pid Process 3940 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 864 aa558c81327c9c4a8fbd7fc573d62c4c.exe 864 aa558c81327c9c4a8fbd7fc573d62c4c.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 864 aa558c81327c9c4a8fbd7fc573d62c4c.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1020 wrote to memory of 3940 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 75 PID 1020 wrote to memory of 3940 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 75 PID 1020 wrote to memory of 3940 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 75 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77 PID 1020 wrote to memory of 864 1020 aa558c81327c9c4a8fbd7fc573d62c4c.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\aa558c81327c9c4a8fbd7fc573d62c4c.exe"C:\Users\Admin\AppData\Local\Temp\aa558c81327c9c4a8fbd7fc573d62c4c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nicFKgEv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C0E.tmp"2⤵
- Creates scheduled task(s)
PID:3940
-
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C:\Users\Admin\AppData\Local\Temp\aa558c81327c9c4a8fbd7fc573d62c4c.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
-