Analysis
- max time kernel
145s - max time network
124s - platform
windows10_x64 - resource
win10v20210410 - submitted
09/06/2021, 06:05
General
- Target COMPANY DOCUMENTS.exe
- Size 770KB
- Sample210609-2pg3ekq28a
- SHA256 23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
08102186737CEO
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\COMPANY DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\COMPANY DOCUMENTS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZINmNQZb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA47E.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
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4200-135-0x0000000006260000-0x0000000006261000-memory.dmp
memory/4200-134-0x0000000003110000-0x0000000003111000-memory.dmp
memory/4200-133-0x00000000030F0000-0x00000000030F1000-memory.dmp
memory/4200-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4436-119-0x0000000005310000-0x0000000005311000-memory.dmp
memory/4436-123-0x0000000007110000-0x000000000718D000-memory.dmp
memory/4436-124-0x00000000071D0000-0x000000000720F000-memory.dmp
memory/4436-122-0x0000000005630000-0x000000000564E000-memory.dmp
memory/4436-121-0x00000000052B0000-0x000000000534C000-memory.dmp
memory/4436-120-0x0000000005670000-0x0000000005671000-memory.dmp
memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/4436-118-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/4436-117-0x0000000005910000-0x0000000005911000-memory.dmp
memory/4436-116-0x0000000005350000-0x0000000005351000-memory.dmp