Analysis
- max time kernel
137s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
29/01/2025, 01:23
General
- Target Dhl Shipment Documents 000293934404095000059000.exe
- Size 376KB
- Sample250129-brwehszkan
- SHA256 b75dffd35cd432bd85f31018e3382f29986bbcf4332423f81e5655a717270bbb
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.concaribe.com
-
Port
21
-
Username
-
Password
ro}UWgz#!38E
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.concaribe.com
-
Port
21
-
Username
-
Password
ro}UWgz#!38E
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 3 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
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Dhl Shipment Documents 000293934404095000059000.exe"C:\Users\Admin\AppData\Local\Temp\Dhl Shipment Documents 000293934404095000059000.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Dhl Shipment Documents 000293934404095000059000.exe"C:\Users\Admin\AppData\Local\Temp\Dhl Shipment Documents 000293934404095000059000.exe"2⤵
- 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
Dhl Shipment Documents 000293934404095000059000.exe.log
memory/4448-0-0x00000000743FE000-0x00000000743FF000-memory.dmp
memory/4448-1-0x0000000000E40000-0x0000000000EA4000-memory.dmp
memory/4448-2-0x0000000003260000-0x0000000003272000-memory.dmp
memory/4448-3-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/4448-4-0x0000000005970000-0x0000000005A0C000-memory.dmp
memory/4588-8-0x0000000074360000-0x000000007440B000-memory.dmp
memory/4588-5-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4588-9-0x0000000074360000-0x000000007440B000-memory.dmp
memory/4588-10-0x00000000051A0000-0x0000000005206000-memory.dmp
memory/4588-11-0x0000000006710000-0x0000000006760000-memory.dmp
memory/4588-12-0x0000000006940000-0x00000000069D2000-memory.dmp
memory/4588-13-0x00000000068D0000-0x00000000068DA000-memory.dmp
memory/4588-14-0x0000000074360000-0x000000007440B000-memory.dmp