Analysis
- max time kernel
142s - max time network
133s - platform
windows10_x64 - resource
win10v20210410 - submitted
14/05/2021, 05:38
General
- Target TT (Ref 0765648475).exe
- Size 1.8MB
- Sample210514-73fg6flm72
- SHA256 856c3abba6de3f00378613cc67649350a6e9b1867d8f2edede21e5b73d4da01e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
babafresh@2125
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\TT (Ref 0765648475).exe"C:\Users\Admin\AppData\Local\Temp\TT (Ref 0765648475).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qblfRlgNUgU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F9C.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"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/2104-123-0x0000000001500000-0x0000000001579000-memory.dmp
memory/2104-116-0x0000000005580000-0x0000000005581000-memory.dmp
memory/2104-118-0x0000000005700000-0x0000000005701000-memory.dmp
memory/2104-119-0x0000000005570000-0x0000000005571000-memory.dmp
memory/2104-120-0x0000000005860000-0x0000000005861000-memory.dmp
memory/2104-121-0x0000000005910000-0x0000000005914000-memory.dmp
memory/2104-117-0x0000000005B60000-0x0000000005B61000-memory.dmp
memory/2104-122-0x0000000005660000-0x0000000005B5E000-memory.dmp
memory/2104-124-0x0000000008950000-0x000000000898F000-memory.dmp
memory/2104-114-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
memory/2384-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2384-133-0x0000000004F70000-0x0000000004F71000-memory.dmp
memory/2384-134-0x0000000005520000-0x0000000005521000-memory.dmp
memory/2384-135-0x0000000005CA0000-0x0000000005CA1000-memory.dmp