Analysis
- max time kernel
143s - max time network
70s - platform
windows10_x64 - resource
win10v20210408 - submitted
04/10/2021, 09:25
General
- Target cotización.xls.exe
- Size 404KB
- Sample211004-ldmkkagber
- SHA256 7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rapidmail.ec
-
Port
587
-
Username
-
Password
icui4cu2@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/628-121-0x0000000004C60000-0x0000000004C6A000-memory.dmp
memory/628-117-0x00000000049F0000-0x00000000049F1000-memory.dmp
memory/628-118-0x0000000004B10000-0x000000000500E000-memory.dmp
memory/628-119-0x00000000049E0000-0x00000000049E1000-memory.dmp
memory/628-120-0x0000000006F30000-0x0000000006F31000-memory.dmp
memory/628-114-0x0000000000150000-0x0000000000151000-memory.dmp
memory/628-122-0x00000000072B0000-0x0000000007308000-memory.dmp
memory/628-116-0x0000000005010000-0x0000000005011000-memory.dmp
memory/3612-123-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3612-130-0x0000000004F90000-0x000000000548E000-memory.dmp
memory/3612-131-0x0000000005460000-0x0000000005461000-memory.dmp
memory/3612-132-0x0000000005CF0000-0x0000000005CF1000-memory.dmp