Analysis
- max time kernel
130s - max time network
118s - platform
windows10_x64 - resource
win10v20201028 - submitted
10/03/2021, 16:58
General
- Target DHL.INFORMATION.TRACKING.exe
- Size 613KB
- Sample210310-3kv3spg7ea
- SHA256 2fa362acbc27f359e1888193ebded0602d198f3f465010f91ed590bfa755f116
Malware Config
Extracted
-
Protocol
smtp
-
Host
web2.changeip.com
-
Port
587
-
Username
-
Password
2*xaR!aKyovu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
web2.changeip.com
-
Port
587
-
Username
-
Password
2*xaR!aKyovu
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 6 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\DHL.INFORMATION.TRACKING.exe"C:\Users\Admin\AppData\Local\Temp\DHL.INFORMATION.TRACKING.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\cRfoRLaqoEcYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA096.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL.INFORMATION.TRACKING.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/1064-3-0x0000000000F70000-0x0000000000F71000-memory.dmp
memory/1064-5-0x0000000008460000-0x0000000008461000-memory.dmp
memory/1064-6-0x0000000008140000-0x0000000008141000-memory.dmp
memory/1064-7-0x0000000001AF0000-0x0000000001AF1000-memory.dmp
memory/1064-8-0x00000000080A0000-0x00000000080A1000-memory.dmp
memory/1064-9-0x000000000B8F0000-0x000000000B8F1000-memory.dmp
memory/1064-10-0x000000000B700000-0x000000000B702000-memory.dmp
memory/1064-11-0x00000000019D0000-0x0000000001A64000-memory.dmp
memory/1064-12-0x0000000009C50000-0x0000000009CB0000-memory.dmp
memory/1064-2-0x0000000073460000-0x0000000073B4E000-memory.dmp
memory/2296-18-0x0000000073460000-0x0000000073B4E000-memory.dmp
memory/2296-15-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2296-22-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/2296-24-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/2296-25-0x0000000006370000-0x0000000006371000-memory.dmp
memory/2296-28-0x00000000055E1000-0x00000000055E2000-memory.dmp