Analysis
- max time kernel
130s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 09:48
General
- Target Purchase Order.exe
- Size 621KB
- Sample210331-cknqptr9w6
- SHA256 33559948a9e24a08a1ebfb802e793fe550e68bcb8998ae1560208ac99ebbd136
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Grace@331011Thinck
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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1048-2-0x0000000073460000-0x0000000073B4E000-memory.dmp
memory/1048-3-0x0000000000040000-0x0000000000041000-memory.dmp
memory/1048-5-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/1048-6-0x0000000004910000-0x0000000004911000-memory.dmp
memory/1048-7-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
memory/1048-8-0x00000000048D0000-0x00000000048D1000-memory.dmp
memory/1048-9-0x0000000004B70000-0x0000000004B75000-memory.dmp
memory/1048-10-0x0000000007EB0000-0x0000000007EB1000-memory.dmp
memory/1048-11-0x0000000008140000-0x00000000081EA000-memory.dmp
memory/1048-12-0x000000000A7E0000-0x000000000A848000-memory.dmp
memory/3056-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3056-15-0x0000000073460000-0x0000000073B4E000-memory.dmp
memory/3056-20-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/3056-21-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/3056-22-0x0000000005B60000-0x0000000005B61000-memory.dmp