Analysis
- max time kernel
74s - max time network
117s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:54
General
- Target NEWORDER.exe
- Size 377KB
- Sample201109-b79d4b6jjs
- SHA256 bca2dfcc165159c1432087a9adf1921baf2f53dd52b69be50e5cf400f4c0cd8d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
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Username
-
Password
!9aT1sz8?9SqN
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
!9aT1sz8?9SqN
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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe"C:\Users\Admin\AppData\Local\Temp\NEWORDER.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\qSGxvlIaYArF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41A2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe"C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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/3192-17-0x0000000005810000-0x0000000005811000-memory.dmp
memory/3192-10-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3192-21-0x0000000006B70000-0x0000000006B71000-memory.dmp
memory/3192-18-0x00000000063E0000-0x00000000063E1000-memory.dmp
memory/3192-12-0x0000000073820000-0x0000000073F0E000-memory.dmp
memory/4048-7-0x0000000005250000-0x00000000052A3000-memory.dmp
memory/4048-1-0x0000000000070000-0x0000000000071000-memory.dmp
memory/4048-3-0x0000000004D50000-0x0000000004D51000-memory.dmp
memory/4048-0-0x0000000073820000-0x0000000073F0E000-memory.dmp
memory/4048-4-0x0000000004930000-0x0000000004931000-memory.dmp
memory/4048-6-0x00000000048D0000-0x00000000048D2000-memory.dmp
memory/4048-5-0x0000000004A70000-0x0000000004A71000-memory.dmp