Analysis
- max time kernel
96s - max time network
136s - platform
windows10_x64 - resource
win10-en - submitted
16/09/2021, 10:46
General
- Target MACHINE QUOTATION.exe
- Size 448KB
- Sample210916-mtz19sfffr
- SHA256 9ee852c4dcad25ccc76de768f756f63c0c49fa41eea3c5e9a01b31e8741dadfa
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.northsrockusa.com/
-
Port
21
-
Username
-
Password
(P%T2swlhOf}
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"2⤵
- Adds Run key to start application
- 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/4020-117-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4020-119-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/4020-120-0x0000000005240000-0x0000000005241000-memory.dmp
memory/4020-121-0x00000000050A0000-0x000000000559E000-memory.dmp
memory/4020-122-0x0000000005520000-0x0000000005521000-memory.dmp
memory/4020-123-0x0000000005E00000-0x0000000005E01000-memory.dmp
memory/4020-124-0x00000000065D0000-0x00000000065D1000-memory.dmp
memory/4020-125-0x00000000061A0000-0x00000000061A1000-memory.dmp
memory/4020-126-0x00000000050A0000-0x000000000559E000-memory.dmp