Analysis
- max time kernel
132s - max time network
110s - platform
windows10_x64 - resource
win10v20210408 - submitted
18/04/2021, 16:43
General
- Target documents and Details.exe
- Size 835KB
- Sample210418-6eq8gecjya
- SHA256 92d4922b8c19be945de3640add234d12c124bed9faf7f5a0840b9571bec5abe9
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://files.000webhost.com/
-
Port
21
-
Username
zinco
-
Password
computer147
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- 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
- 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 4 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\documents and Details.exe"C:\Users\Admin\AppData\Local\Temp\documents and Details.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\hWYAcUsjdhYLNp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2125.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\documents and Details.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\documents and Details.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/648-123-0x0000000005DA0000-0x0000000005E3F000-memory.dmp
memory/648-117-0x000000000AFF0000-0x000000000AFF1000-memory.dmp
memory/648-119-0x0000000005610000-0x0000000005611000-memory.dmp
memory/648-120-0x0000000005560000-0x0000000005561000-memory.dmp
memory/648-121-0x0000000005770000-0x0000000005775000-memory.dmp
memory/648-122-0x0000000005820000-0x0000000005821000-memory.dmp
memory/648-114-0x0000000000B80000-0x0000000000B81000-memory.dmp
memory/648-124-0x0000000005E40000-0x0000000005E9A000-memory.dmp
memory/648-116-0x0000000005570000-0x00000000055EF000-memory.dmp
memory/648-118-0x000000000AAF0000-0x000000000AAF1000-memory.dmp
memory/4060-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4060-134-0x0000000005530000-0x0000000005A2E000-memory.dmp
memory/4060-135-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/4060-136-0x0000000006290000-0x0000000006291000-memory.dmp
memory/4060-139-0x0000000005530000-0x0000000005A2E000-memory.dmp