Analysis
- max time kernel
111s - max time network
135s - platform
windows10_x64 - resource
win10-en - submitted
08/09/2021, 13:45
General
- Target e4b7f8aa3204acab47f9817674fe33f4.exe
- Size 973KB
- Sample210908-q2ebbahgcl
- SHA256 76cc34e4e55992c1cf1f4f41ac7351d3522f971d4cc949112cfb422d03ebace6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.ccsp-india.com
-
Port
587
-
Username
-
Password
Lkp$CcsP1008
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Executes dropped EXE 1 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4b7f8aa3204acab47f9817674fe33f4.exe"C:\Users\Admin\AppData\Local\Temp\e4b7f8aa3204acab47f9817674fe33f4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1452-132-0x0000000005170000-0x000000000566E000-memory.dmp
memory/1452-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1452-137-0x0000000005170000-0x000000000566E000-memory.dmp
memory/1452-134-0x0000000005D60000-0x0000000005D61000-memory.dmp
memory/1452-133-0x00000000052B0000-0x00000000052B1000-memory.dmp
memory/3176-122-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/3176-123-0x0000000008C20000-0x0000000008C2A000-memory.dmp
memory/3176-118-0x0000000004E10000-0x0000000004E11000-memory.dmp
memory/3176-117-0x0000000005270000-0x0000000005271000-memory.dmp
memory/3176-115-0x00000000004F0000-0x00000000004F1000-memory.dmp
memory/3176-119-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/3176-121-0x0000000002730000-0x0000000002754000-memory.dmp
memory/3176-120-0x0000000004D70000-0x000000000526E000-memory.dmp