Analysis
- max time kernel
144s - max time network
40s - platform
windows10_x64 - resource
win10v200722 - submitted
11/08/2020, 11:19
General
- Target SWIFT COPY,DOC.exe
- Size 1.3MB
- Sample200811-69rffdvrz2
- SHA256 55e93e43efaeb600deafd813f7eef356e836904b0d83e545dc47b3ed0078316b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
KjuhTyvc!@$58
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SWIFT COPY,DOC.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT COPY,DOC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.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/424-4-0x00000000064E0000-0x00000000064E1000-memory.dmp
memory/424-0-0x00000000735D0000-0x0000000073CBE000-memory.dmp
memory/424-5-0x00000000060C0000-0x00000000060C1000-memory.dmp
memory/424-6-0x0000000005D60000-0x0000000005D63000-memory.dmp
memory/424-3-0x0000000001870000-0x000000000187F000-memory.dmp
memory/424-1-0x0000000000E10000-0x0000000000E11000-memory.dmp
memory/3976-7-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3976-11-0x00000000735D0000-0x0000000073CBE000-memory.dmp
memory/3976-15-0x0000000005680000-0x0000000005681000-memory.dmp
memory/3976-16-0x0000000005630000-0x0000000005631000-memory.dmp
memory/3976-17-0x0000000006210000-0x0000000006211000-memory.dmp
memory/3976-19-0x0000000006550000-0x0000000006551000-memory.dmp