Analysis
- max time kernel
133s - max time network
114s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/09/2021, 13:29
General
- Target 8c4b4ab56eb5d879334e5f92ed70ecc3.exe
- Size 973KB
- Sample210907-qq9cbafhdm
- SHA256 754c0def2ef6fcbf705b92c229feb91568e902ed2c557bc4eb13878d07bd718b
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\8c4b4ab56eb5d879334e5f92ed70ecc3.exe"C:\Users\Admin\AppData\Local\Temp\8c4b4ab56eb5d879334e5f92ed70ecc3.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/484-131-0x0000000005300000-0x00000000057FE000-memory.dmp
memory/484-123-0x0000000000400000-0x000000000043C000-memory.dmp
memory/484-136-0x0000000005300000-0x00000000057FE000-memory.dmp
memory/484-133-0x0000000006060000-0x0000000006061000-memory.dmp
memory/484-132-0x00000000057C0000-0x00000000057C1000-memory.dmp
memory/532-117-0x0000000005240000-0x0000000005241000-memory.dmp
memory/532-118-0x0000000005320000-0x0000000005321000-memory.dmp
memory/532-122-0x00000000064C0000-0x00000000064CA000-memory.dmp
memory/532-116-0x0000000005820000-0x0000000005821000-memory.dmp
memory/532-114-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/532-121-0x0000000005300000-0x0000000005301000-memory.dmp
memory/532-120-0x0000000004C80000-0x0000000004CA4000-memory.dmp
memory/532-119-0x0000000005320000-0x000000000581E000-memory.dmp