Analysis
- max time kernel
129s - max time network
150s - platform
windows10_x64 - resource
win10v200722 - submitted
02/09/2020, 05:50
General
- Target 2f54d738624d416e28873a7d905ee9c0.exe
- Size 596KB
- Sample200902-vwtg5cfbsn
- SHA256 9dd7808ad3eb4fb8a1ab8f7d40ff7bbebfaea8e8ca66741e3f720c257d5b4596
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.spamora.net
-
Port
587
-
Username
-
Password
emotion22
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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
- Drops file in Windows directory 1 IoCs
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2f54d738624d416e28873a7d905ee9c0.exe"C:\Users\Admin\AppData\Local\Temp\2f54d738624d416e28873a7d905ee9c0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2f54d738624d416e28873a7d905ee9c0.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/584-5-0x0000000005570000-0x0000000005571000-memory.dmp
memory/584-9-0x0000000007D80000-0x0000000007D81000-memory.dmp
memory/584-4-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/584-0-0x0000000073DB0000-0x000000007449E000-memory.dmp
memory/584-6-0x0000000005790000-0x0000000005793000-memory.dmp
memory/584-7-0x00000000078C0000-0x00000000078C1000-memory.dmp
memory/584-3-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
memory/584-1-0x0000000000B80000-0x0000000000B81000-memory.dmp
memory/584-8-0x0000000007C60000-0x0000000007CDA000-memory.dmp
memory/584-12-0x000000000A530000-0x000000000A5B6000-memory.dmp
memory/3904-13-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3904-16-0x0000000073DB0000-0x000000007449E000-memory.dmp
memory/3904-21-0x0000000005450000-0x0000000005451000-memory.dmp
memory/3904-22-0x0000000005A20000-0x0000000005A21000-memory.dmp