Analysis
- max time kernel
134s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
06/01/2022, 18:36
General
- Target mollyzx.exe
- Size 1.1MB
- Sample220106-w8xdcsbed2
- SHA256 ec73d814f91b3348490ee9eb4330167cbd5f29886272c8e4280e5204fb98e5c6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sementescaicara.com.br
-
Port
587
-
Username
-
Password
sementes4062
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 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.
- 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 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\mollyzx.exe"C:\Users\Admin\AppData\Local\Temp\mollyzx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\mollyzx.exe"C:\Users\Admin\AppData\Local\Temp\mollyzx.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2460-116-0x0000000000B40000-0x0000000000C6A000-memory.dmp
memory/2460-117-0x0000000005980000-0x0000000005E7E000-memory.dmp
memory/2460-118-0x0000000005520000-0x00000000055B2000-memory.dmp
memory/2460-119-0x00000000054C0000-0x00000000054CA000-memory.dmp
memory/2460-120-0x0000000008B90000-0x0000000008B9C000-memory.dmp
memory/2460-121-0x0000000005480000-0x000000000597E000-memory.dmp
memory/2460-122-0x0000000008ED0000-0x0000000008F6C000-memory.dmp
memory/2460-123-0x0000000008E30000-0x0000000008E7B000-memory.dmp
memory/2460-124-0x0000000008FE0000-0x0000000009050000-memory.dmp
memory/2460-115-0x0000000000B40000-0x0000000000C6A000-memory.dmp
memory/3908-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3908-129-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3908-128-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3908-130-0x0000000005DA0000-0x000000000629E000-memory.dmp
memory/3908-131-0x0000000005AA0000-0x0000000005B3C000-memory.dmp
memory/3908-132-0x00000000058A0000-0x0000000005D9E000-memory.dmp
memory/3908-133-0x00000000059A0000-0x00000000059B8000-memory.dmp
memory/3908-134-0x0000000006590000-0x00000000065F6000-memory.dmp
memory/3908-135-0x0000000006B90000-0x0000000006C22000-memory.dmp
memory/3908-136-0x0000000005A90000-0x0000000005A9A000-memory.dmp
memory/3908-137-0x00000000058A0000-0x0000000005D9E000-memory.dmp