Analysis
- max time kernel
121s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20231201-en - resource tags
- submitted
07/12/2023, 15:18
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe
- Size 777KB
- Sample231207-splwqsce67
- SHA256 583d249d488a67e338a0bbd3c03d3967fc179e226031bebde9b0913c889c70ac
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.mrgrouppk.com
-
Port
587
-
Username
-
Password
~_ShAzIa.MRG2023_~
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mrgrouppk.com
-
Port
587
-
Username
-
Password
~_ShAzIa.MRG2023_~
-
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.
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe.log
memory/1972-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1972-20-0x00000000058E0000-0x00000000058F0000-memory.dmp
memory/1972-19-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/1972-18-0x0000000006D70000-0x0000000006DC0000-memory.dmp
memory/1972-17-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/1972-16-0x00000000058E0000-0x00000000058F0000-memory.dmp
memory/1972-15-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/2816-5-0x0000000005280000-0x000000000528A000-memory.dmp
memory/2816-9-0x00000000067E0000-0x000000000685C000-memory.dmp
memory/2816-10-0x000000000A6D0000-0x000000000A76C000-memory.dmp
memory/2816-8-0x00000000056B0000-0x00000000056BA000-memory.dmp
memory/2816-14-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/2816-7-0x0000000005680000-0x0000000005688000-memory.dmp
memory/2816-6-0x0000000005640000-0x000000000565A000-memory.dmp
memory/2816-0-0x0000000000810000-0x00000000008D8000-memory.dmp
memory/2816-4-0x0000000005520000-0x0000000005530000-memory.dmp
memory/2816-3-0x00000000052C0000-0x0000000005352000-memory.dmp
memory/2816-2-0x0000000005990000-0x0000000005F34000-memory.dmp
memory/2816-1-0x00000000746A0000-0x0000000074E50000-memory.dmp