Analysis
- max time kernel
81s - max time network
128s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:27
General
- Target PO#94357-65628.bat.exe
- Size 451KB
- Sample201109-mpadlt3x82
- SHA256 2cc57320f08629f63cf5cfc65ba1cbe100b097a1b7b34ff2bc17d5dff53a7c15
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.izakuiki.com
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Port
587
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Username
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Password
RkYeca2017
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#94357-65628.bat.exe"C:\Users\Admin\AppData\Local\Temp\PO#94357-65628.bat.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\dJZtVGezJBjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO#94357-65628.bat.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/984-3-0x0000000005B00000-0x0000000005B01000-memory.dmp
memory/984-5-0x0000000005570000-0x0000000005571000-memory.dmp
memory/984-6-0x0000000005AE0000-0x0000000005AE2000-memory.dmp
memory/984-7-0x0000000009140000-0x0000000009193000-memory.dmp
memory/984-8-0x0000000009240000-0x0000000009241000-memory.dmp
memory/984-0-0x0000000073840000-0x0000000073F2E000-memory.dmp
memory/984-1-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
memory/984-4-0x0000000005600000-0x0000000005601000-memory.dmp
memory/2244-20-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
memory/2244-14-0x0000000073840000-0x0000000073F2E000-memory.dmp
memory/2244-19-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/2244-11-0x0000000000400000-0x0000000000452000-memory.dmp