Analysis
- max time kernel
122s - max time network
128s - platform
windows7_x64 - resource
win7-20231023-en - resource tags
- submitted
28/11/2023, 14:06
General
- Target obizx.exe
- Size 698KB
- Sample231128-redlyaad37
- SHA256 60809e8d674591bfd67d9544930ec36ebd7f0faea2cbde7e4898f20b6d59c39c
Malware Config
Extracted
-
Protocol
smtp
-
Host
cp5ua.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cp5ua.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#$
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CabFB80.tmp
TarFBE1.tmp
memory/1680-21-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1680-0-0x0000000000D40000-0x0000000000DF4000-memory.dmp
memory/1680-4-0x0000000000580000-0x0000000000588000-memory.dmp
memory/1680-5-0x00000000005D0000-0x00000000005DA000-memory.dmp
memory/1680-6-0x0000000005BC0000-0x0000000005C3E000-memory.dmp
memory/1680-3-0x0000000000550000-0x000000000056A000-memory.dmp
memory/1680-1-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1680-2-0x0000000004BC0000-0x0000000004C00000-memory.dmp
memory/2088-7-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2088-16-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-18-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-20-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-12-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-22-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/2088-23-0x0000000004800000-0x0000000004840000-memory.dmp
memory/2088-10-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-9-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2088-58-0x0000000074520000-0x0000000074C0E000-memory.dmp