Analysis
- max time kernel
150s - max time network
150s - platform
windows10_x64 - resource
win10v200722 - submitted
16/10/2020, 13:38
General
- Target ÖDEME TAVSİYESİ_Pdf.exe
- Size 951KB
- Sample201016-ycnaasbx2x
- SHA256 19cb1d89fb670dd31ceae6e0c41ffcf47767f6b3779804841f7aaf75adcd028f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.kimhi-tr.com
-
Port
587
-
Username
-
Password
eNvrrDS6
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ÖDEME TAVSİYESİ_Pdf.exe"C:\Users\Admin\AppData\Local\Temp\ÖDEME TAVSİYESİ_Pdf.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\KAXqQRb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6746.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\ÖDEME TAVSİYESİ_Pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/776-20-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/776-19-0x0000000005810000-0x0000000005811000-memory.dmp
memory/776-14-0x00000000738A0000-0x0000000073F8E000-memory.dmp
memory/776-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3512-5-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/3512-8-0x00000000056F0000-0x0000000005743000-memory.dmp
memory/3512-9-0x0000000007D50000-0x0000000007D9B000-memory.dmp
memory/3512-7-0x00000000049E0000-0x00000000049E4000-memory.dmp
memory/3512-6-0x00000000049F0000-0x00000000049F1000-memory.dmp
memory/3512-0-0x00000000738A0000-0x0000000073F8E000-memory.dmp
memory/3512-4-0x0000000004A50000-0x0000000004A51000-memory.dmp
memory/3512-3-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/3512-1-0x00000000000B0000-0x00000000000B1000-memory.dmp