Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-10-2024 11:09
General
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Target
proforma invoice No 2003988 dated 10042024.exe
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Size
742KB
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MD5
288e2818b37e52f9e697431692abb36e
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SHA1
6868bc69d0d6d0b92e9c0c3078c09420c3dc651f
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SHA256
0a74602363d411ea6ce0a632acadeb68025595990a3ee9add024ab36cca0bfcc
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SHA512
e7d481cc5281223fc4636c190026f14fef5351e80bec2bd40bb053349cba497998b9700aa1b06736bc30a5a657fc2690ad94adec50b3f2f315287115805b9cee
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SSDEEP
12288:Ahx6P6SzMLJ9Cg0ISgrUaoNsFo4uMY2Csm0jQ:gx/yMnCCSgAmo/WV
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.concaribe.com - Port:
21 - Username:
[email protected] - Password:
ro}UWgz#!38E
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Runs regedit.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of FindShellTrayWindow 33 IoCs
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Suspicious use of SendNotifyMessage 33 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\proforma invoice No 2003988 dated 10042024.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice No 2003988 dated 10042024.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\proforma invoice No 2003988 dated 10042024.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice No 2003988 dated 10042024.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\regedit.exe"C:\Windows\regedit.exe"1⤵
- Runs regedit.exe
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
768KB
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Filesize
288KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
264KB
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Filesize
264KB
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Filesize
4KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
6.9MB
-
Filesize
264KB
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Filesize
6.9MB
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Filesize
264KB
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Filesize
6.9MB
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Filesize
5.9MB
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Filesize
5.9MB