Analysis
- max time kernel
145s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/11/2020, 15:25
General
- Target d117d341d9bcb33ea142c3c7c457ff3c.exe
- Size 450KB
- Sample201117-b4hwe3e8hs
- SHA256 ccf7cbe501b4e91d8f020fb061bbb24167316704bb9566aed6a6a5bc36df3d73
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.lockitsolutions.co.ke
-
Port
587
-
Username
-
Password
to-MTQtLj}xm
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Drops file in Drivers directory 1 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d117d341d9bcb33ea142c3c7c457ff3c.exe"C:\Users\Admin\AppData\Local\Temp\d117d341d9bcb33ea142c3c7c457ff3c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKflwdTEd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DAA.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\d117d341d9bcb33ea142c3c7c457ff3c.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/656-9-0x00000000064A0000-0x00000000064A1000-memory.dmp
memory/656-4-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
memory/656-5-0x0000000004D70000-0x0000000004D71000-memory.dmp
memory/656-6-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/656-7-0x00000000058B0000-0x00000000058C4000-memory.dmp
memory/656-8-0x0000000006390000-0x00000000063F1000-memory.dmp
memory/656-0-0x0000000074070000-0x000000007475E000-memory.dmp
memory/656-1-0x0000000000380000-0x0000000000381000-memory.dmp
memory/656-3-0x00000000052C0000-0x00000000052C1000-memory.dmp
memory/676-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/676-15-0x0000000074070000-0x000000007475E000-memory.dmp
memory/676-20-0x0000000005760000-0x0000000005761000-memory.dmp
memory/676-21-0x0000000005BD0000-0x0000000005BD1000-memory.dmp