Analysis
- max time kernel
100s - max time network
115s - platform
windows10_x64 - resource
win10v20210410 - submitted
09/08/2021, 14:17
General
- Target ARRIVAL NOTICE_4051896202736.xls.exe
- Size 278KB
- Sample210809-3qydfcry32
- SHA256 11158aa236a07183547892ad906115d89ef9e2563f0fe56cc77dcef8bc581129
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
m002.dapurhosting.com
-
Port
587
-
Username
-
Password
CAESAR09876#@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3944-128-0x0000000005530000-0x0000000005A2E000-memory.dmp
memory/3944-116-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/3944-118-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/3944-119-0x0000000005530000-0x000000000556C000-memory.dmp
memory/3944-120-0x0000000005650000-0x0000000005651000-memory.dmp
memory/3944-114-0x0000000000D40000-0x0000000000D41000-memory.dmp
memory/3944-117-0x00000000055B0000-0x00000000055B1000-memory.dmp
memory/4044-121-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4044-129-0x0000000005230000-0x000000000572E000-memory.dmp
memory/4044-130-0x00000000051F0000-0x00000000051F1000-memory.dmp
memory/4044-131-0x0000000005E90000-0x0000000005E91000-memory.dmp
memory/4044-132-0x0000000006260000-0x0000000006261000-memory.dmp
memory/4044-133-0x0000000001180000-0x0000000001181000-memory.dmp