Analysis
- max time kernel
60s - max time network
14s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:05
Static task
static1
Behavioral task
behavioral1
Sample
bill of landing and shipment doc.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
bill of landing and shipment doc.exe
Resource
win10v20201028
General
- Target bill of landing and shipment doc.exe
- Size 416KB
- Sample201109-d49dlmvk6e
- SHA256 9557e2f9a634bee5cb80232f864f60a346a387617d3b3be3fddd3c078fe0ce67
- MD5 5ce180d1ac68979b63799834a0c91903
- SHA1 df7dd2b3206cc74152295d422d007b1d3daaf7ec
- SHA512 65e53e83735d9a17f340427e9d07ca51d06a18aad94bac4dfb00c37beef8f530437c07533df85fdd621fabc0c719c81dc4999e9233889a543b42785710afe73f
- MD5 SHA1 SHA512
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
smtp.sankapatrol.com
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Port
587
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Username
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Password
OFFICE@2020
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1308-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-3-0x000000000044C17E-mapping.dmp family_agenttesla behavioral1/memory/1308-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1308-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - 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
description pid Process procid_target PID 372 set thread context of 1308 372 bill of landing and shipment doc.exe 31 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1220 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 372 bill of landing and shipment doc.exe 1308 bill of landing and shipment doc.exe 1308 bill of landing and shipment doc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 372 bill of landing and shipment doc.exe Token: SeDebugPrivilege 1308 bill of landing and shipment doc.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1308 bill of landing and shipment doc.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 372 wrote to memory of 1220 372 bill of landing and shipment doc.exe 26 PID 372 wrote to memory of 1220 372 bill of landing and shipment doc.exe 26 PID 372 wrote to memory of 1220 372 bill of landing and shipment doc.exe 26 PID 372 wrote to memory of 1220 372 bill of landing and shipment doc.exe 26 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 372 wrote to memory of 1308 372 bill of landing and shipment doc.exe 31 PID 1308 wrote to memory of 848 1308 bill of landing and shipment doc.exe 33 PID 1308 wrote to memory of 848 1308 bill of landing and shipment doc.exe 33 PID 1308 wrote to memory of 848 1308 bill of landing and shipment doc.exe 33 PID 1308 wrote to memory of 848 1308 bill of landing and shipment doc.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\bill of landing and shipment doc.exe"C:\Users\Admin\AppData\Local\Temp\bill of landing and shipment doc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aEJncfT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29AF.tmp"2⤵
- Creates scheduled task(s)
PID:1220
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C:\Users\Admin\AppData\Local\Temp\bill of landing and shipment doc.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:848
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