Analysis
- max time kernel
123s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20231023-en - resource tags
- submitted
23/11/2023, 12:35
General
- Target SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe
- Size 743KB
- Sample231123-psby6aae91
- SHA256 2dfbf85c26d893e4dae9ca72d6677f00789c7f69ada570b93ccfccc1f37f5225
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
ssl0.ovh.net
-
Port
587
-
Username
-
Password
PSF70acsi
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
SecuriteInfo.com.MSIL.Kryptik.AKEC.tr.31431.29608.exe.log
memory/1704-10-0x0000000006D60000-0x0000000006DE8000-memory.dmp
memory/1704-14-0x0000000074E30000-0x00000000755E0000-memory.dmp
memory/1704-3-0x00000000056C0000-0x0000000005752000-memory.dmp
memory/1704-0-0x0000000000D10000-0x0000000000DD0000-memory.dmp
memory/1704-5-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/1704-6-0x0000000005980000-0x0000000005A1C000-memory.dmp
memory/1704-7-0x0000000005930000-0x0000000005948000-memory.dmp
memory/1704-8-0x0000000005950000-0x0000000005956000-memory.dmp
memory/1704-2-0x0000000005BD0000-0x0000000006174000-memory.dmp
memory/1704-9-0x0000000001740000-0x000000000174A000-memory.dmp
memory/1704-4-0x0000000005600000-0x0000000005610000-memory.dmp
memory/1704-1-0x0000000074E30000-0x00000000755E0000-memory.dmp
memory/3432-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3432-15-0x0000000074E30000-0x00000000755E0000-memory.dmp
memory/3432-16-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/3432-17-0x00000000051B0000-0x0000000005216000-memory.dmp
memory/3432-20-0x0000000006800000-0x0000000006850000-memory.dmp
memory/3432-21-0x0000000074E30000-0x00000000755E0000-memory.dmp
memory/3432-22-0x00000000051A0000-0x00000000051B0000-memory.dmp