Analysis
- max time kernel
140s - max time network
109s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/10/2021, 09:23
General
- Target cfbd1a2cbc6b71ecb11b80ddf05db117.exe
- Size 451KB
- Sample211007-lcgmxscdfl
- SHA256 5aa7d1bc7abef93b3ccd50f7dd880f9bf70c7b7d157d067f16377d7b0a929092
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
X!oHio)4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1096-121-0x00000000053D0000-0x00000000053DA000-memory.dmp
memory/1096-116-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/1096-118-0x00000000050D0000-0x00000000055CE000-memory.dmp
memory/1096-119-0x00000000052F0000-0x00000000052F1000-memory.dmp
memory/1096-120-0x00000000076C0000-0x00000000076C1000-memory.dmp
memory/1096-114-0x0000000000790000-0x0000000000791000-memory.dmp
memory/1096-122-0x0000000007A40000-0x0000000007A98000-memory.dmp
memory/1096-117-0x0000000005180000-0x0000000005181000-memory.dmp
memory/3376-123-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3376-130-0x0000000004DD0000-0x00000000052CE000-memory.dmp
memory/3376-131-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/3376-132-0x0000000005B30000-0x0000000005B31000-memory.dmp
memory/3376-135-0x0000000004DD0000-0x00000000052CE000-memory.dmp