Analysis
- max time kernel
141s - max time network
81s - platform
windows10_x64 - resource
win10v20210408 - submitted
17/09/2021, 11:43
General
- Target e8b97f6f5f99cde98b6d1c4f3876fb88.exe
- Size 464KB
- Sample210917-nvleyaaddp
- SHA256 3a1b9be61ba5086622efad5cb7194a5fef437caddecfe615e1d6c0799bc4589b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.tccinfaes.com
-
Port
587
-
Username
-
Password
TccBps1427log
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\e8b97f6f5f99cde98b6d1c4f3876fb88.exe"C:\Users\Admin\AppData\Local\Temp\e8b97f6f5f99cde98b6d1c4f3876fb88.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e8b97f6f5f99cde98b6d1c4f3876fb88.exe"C:\Users\Admin\AppData\Local\Temp\e8b97f6f5f99cde98b6d1c4f3876fb88.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/516-121-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/516-123-0x0000000009A80000-0x0000000009AB8000-memory.dmp
memory/516-118-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/516-119-0x0000000004AC0000-0x0000000004FBE000-memory.dmp
memory/516-120-0x0000000004D10000-0x0000000004D17000-memory.dmp
memory/516-114-0x0000000000100000-0x0000000000101000-memory.dmp
memory/516-122-0x00000000072C0000-0x0000000007321000-memory.dmp
memory/516-117-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/516-116-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/3264-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3264-131-0x0000000005900000-0x0000000005901000-memory.dmp
memory/3264-132-0x0000000005A00000-0x0000000005A01000-memory.dmp
memory/3264-133-0x0000000006570000-0x0000000006571000-memory.dmp