Analysis
- max time kernel
136s - max time network
106s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/11/2020, 10:37
General
- Target Distributor-Agent Professional Price list for Catalogue 2020 exp manager.exe
- Size 1.1MB
- Sample201106-d91b8pnzae
- SHA256 7323b8d5a71d744ada47370e02c8d86eb551bacb6881aee27ed7ec61cc22e068
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com.tr
-
Port
587
-
Username
-
Password
Krc2017@Ozg
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Distributor-Agent Professional Price list for Catalogue 2020 exp manager.exe"C:\Users\Admin\AppData\Local\Temp\Distributor-Agent Professional Price list for Catalogue 2020 exp manager.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\upnxYeHntPVYfN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FBE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Distributor-Agent Professional Price list for Catalogue 2020 exp manager.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/504-21-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/504-20-0x0000000005520000-0x0000000005521000-memory.dmp
memory/504-15-0x0000000073A80000-0x000000007416E000-memory.dmp
memory/504-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1144-5-0x00000000070E0000-0x00000000070E1000-memory.dmp
memory/1144-9-0x0000000009D20000-0x0000000009D21000-memory.dmp
memory/1144-8-0x0000000009610000-0x00000000096CA000-memory.dmp
memory/1144-7-0x00000000093D0000-0x00000000093E6000-memory.dmp
memory/1144-6-0x00000000097F0000-0x00000000097F1000-memory.dmp
memory/1144-0-0x0000000073A80000-0x000000007416E000-memory.dmp
memory/1144-4-0x0000000006F70000-0x0000000006F71000-memory.dmp
memory/1144-3-0x00000000073B0000-0x00000000073B1000-memory.dmp
memory/1144-1-0x0000000000150000-0x0000000000151000-memory.dmp