Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
20/08/2024, 11:19
General
- Target Transport Plan.exe
- Size 655KB
- Sample240820-net25ssfkp
- SHA256 4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
oadc jzrw bmvr klnl
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
oadc jzrw bmvr klnl
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Loads dropped DLL 7 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Transport Plan.exe"C:\Users\Admin\AppData\Local\Temp\Transport Plan.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\Transport Plan.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Seqwl.lnk
LangDLL.dll
System.dll
edelgave.ini
memory/3508-911-0x0000000004FC0000-0x0000000006F21000-memory.dmp
memory/3508-912-0x0000000004FC0000-0x0000000006F21000-memory.dmp
memory/3508-913-0x0000000077A21000-0x0000000077B41000-memory.dmp
memory/3508-914-0x0000000077A21000-0x0000000077B41000-memory.dmp
memory/3508-915-0x0000000074115000-0x0000000074116000-memory.dmp
memory/3508-918-0x0000000004FC0000-0x0000000006F21000-memory.dmp
memory/4456-917-0x0000000000B10000-0x0000000001D64000-memory.dmp
memory/4456-916-0x0000000001D70000-0x0000000003CD1000-memory.dmp
memory/4456-919-0x0000000000B10000-0x0000000000B54000-memory.dmp
memory/4456-920-0x0000000036060000-0x0000000036604000-memory.dmp
memory/4456-921-0x0000000035A30000-0x0000000035A96000-memory.dmp
memory/4456-923-0x0000000001D70000-0x0000000003CD1000-memory.dmp
memory/4456-924-0x0000000036800000-0x0000000036850000-memory.dmp
memory/4456-925-0x00000000368F0000-0x000000003698C000-memory.dmp
memory/4456-926-0x0000000036A30000-0x0000000036AC2000-memory.dmp
memory/4456-927-0x0000000036990000-0x000000003699A000-memory.dmp