Analysis
- max time kernel
141s - max time network
33s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
22/02/2023, 10:57
General
- Target Dekont_20230221-GSS2023000000047-9CF60B44-44B8-47D6-B88D-0A060CA70289.exe
- Size 514KB
- Sample230222-m2arcaah82
- SHA256 36b012ce5d49946e13199b08e3b41589b4eeb80e429628031d6aab90bb2804ae
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6277254729:AAH9hHYZNSDZac0nNvgmchkZF8WVRKU5dJ0/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Dekont_20230221-GSS2023000000047-9CF60B44-44B8-47D6-B88D-0A060CA70289.exe"C:\Users\Admin\AppData\Local\Temp\Dekont_20230221-GSS2023000000047-9CF60B44-44B8-47D6-B88D-0A060CA70289.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\pgidjs.exe"C:\Users\Admin\AppData\Local\Temp\pgidjs.exe" C:\Users\Admin\AppData\Local\Temp\mwyeeeys.vbc2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\pgidjs.exe"C:\Users\Admin\AppData\Local\Temp\pgidjs.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
giiogp.box
mwyeeeys.vbc
pgidjs.exe
pgidjs.exe
pgidjs.exe
pgidjs.exe
pgidjs.exe
pgidjs.exe
pgidjs.exe
memory/1516-69-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1516-73-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1516-74-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1516-75-0x0000000001DA0000-0x0000000001DD0000-memory.dmp
memory/1516-76-0x0000000001E50000-0x0000000001E90000-memory.dmp
memory/1516-77-0x0000000001E50000-0x0000000001E90000-memory.dmp
memory/1516-79-0x0000000001E50000-0x0000000001E90000-memory.dmp