Analysis
- max time kernel
129s - max time network
151s - platform
windows10_x64 - resource
win10v20210408 - submitted
09/08/2021, 06:03
General
- Target 359780d66d0e8a4ec780199a5a3b0455.exe
- Size 862KB
- Sample210809-5ct3ynwlp2
- SHA256 8331e9eaaa9b2296086c9b8e32c8a6146719c81dd48503a974615135cdbf73ef
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
snookiep@123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Adds Run key to start application 2 TTPs 1 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 behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\359780d66d0e8a4ec780199a5a3b0455.exe"C:\Users\Admin\AppData\Local\Temp\359780d66d0e8a4ec780199a5a3b0455.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SmngqGmYYGY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3B3.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\359780d66d0e8a4ec780199a5a3b0455.exe"C:\Users\Admin\AppData\Local\Temp\359780d66d0e8a4ec780199a5a3b0455.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-123-0x0000000007400000-0x000000000749C000-memory.dmp
memory/580-116-0x0000000005000000-0x0000000005001000-memory.dmp
memory/580-118-0x0000000004C40000-0x0000000004C41000-memory.dmp
memory/580-119-0x0000000004B00000-0x0000000004FFE000-memory.dmp
memory/580-120-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/580-121-0x0000000004E00000-0x0000000004E13000-memory.dmp
memory/580-117-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/580-122-0x0000000006F60000-0x0000000006F61000-memory.dmp
memory/580-124-0x0000000009B10000-0x0000000009B48000-memory.dmp
memory/580-114-0x0000000000230000-0x0000000000231000-memory.dmp
memory/4044-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4044-133-0x0000000005640000-0x0000000005B3E000-memory.dmp
memory/4044-134-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
memory/4044-135-0x0000000006330000-0x0000000006331000-memory.dmp