Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
- submitted
01/12/2023, 01:08
General
- Target ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe
- Size 827KB
- Sample231201-bhrd7sdc75
- SHA256 ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a
Malware Config
Extracted
-
Protocol
smtp
-
Host
mailbuilderbuilder.com
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Port
587
-
Username
-
Password
Alluminio.1
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mailbuilderbuilder.com
-
Port
587
-
Username
-
Password
Alluminio.1
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect PureLogs payload 1 IoCs
- PureLogs
PureLogs is an infostealer written in C#.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe"C:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exeC:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exeC:\Users\Admin\AppData\Local\Temp\ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a.exe.log
memory/412-16-0x0000000005930000-0x0000000005996000-memory.dmp
memory/412-15-0x0000000005820000-0x0000000005830000-memory.dmp
memory/412-22-0x0000000005820000-0x0000000005830000-memory.dmp
memory/412-21-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/412-20-0x0000000007010000-0x000000000701A000-memory.dmp
memory/412-19-0x0000000007070000-0x0000000007102000-memory.dmp
memory/412-14-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/412-18-0x0000000006F30000-0x0000000006FCC000-memory.dmp
memory/412-17-0x0000000006E40000-0x0000000006E90000-memory.dmp
memory/412-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3452-7-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3452-13-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3452-1-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3452-2-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/3452-0-0x00000000001C0000-0x0000000000294000-memory.dmp
memory/3452-9-0x0000000005C50000-0x00000000061F4000-memory.dmp
memory/3452-8-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/3452-6-0x0000000005620000-0x000000000566C000-memory.dmp
memory/3452-5-0x00000000055E0000-0x0000000005620000-memory.dmp
memory/3452-4-0x0000000005580000-0x00000000055C0000-memory.dmp
memory/3452-3-0x00000000054B0000-0x0000000005508000-memory.dmp