Analysis
- max time kernel
150s - max time network
71s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/04/2021, 11:24
General
- Target #1002021.exe
- Size 793KB
- Sample210408-cvpdfdm67a
- SHA256 c1f2ef3f7a994adba520b81e95a6c792a263d574247d66b7d1e3edce99a4910d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.yillyenterprise.com
-
Port
587
-
Username
-
Password
^1.kk2[?w-Yz
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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\#1002021.exe"C:\Users\Admin\AppData\Local\Temp\#1002021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\#1002021.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1108-121-0x0000000005740000-0x0000000005745000-memory.dmp
memory/1108-123-0x000000000B210000-0x000000000B281000-memory.dmp
memory/1108-118-0x00000000054A0000-0x00000000054A1000-memory.dmp
memory/1108-119-0x00000000054D0000-0x00000000054D1000-memory.dmp
memory/1108-120-0x0000000007780000-0x0000000007781000-memory.dmp
memory/1108-114-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/1108-122-0x0000000008D20000-0x0000000008DCF000-memory.dmp
memory/1108-117-0x0000000005520000-0x0000000005521000-memory.dmp
memory/1108-116-0x0000000005A20000-0x0000000005A21000-memory.dmp
memory/1476-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1476-131-0x0000000004D50000-0x000000000524E000-memory.dmp
memory/1476-132-0x00000000051D0000-0x00000000051D1000-memory.dmp
memory/1476-133-0x0000000005AB0000-0x0000000005AB1000-memory.dmp