Analysis
-
max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
-
submitted
08-12-2023 13:22
General
-
Target
rJASBillOfLading-TPE36494384_PDF.exe
-
Size
372KB
-
MD5
83979988b7eee53f987fd8ed71d3147f
-
SHA1
c6a47777fe3078408471497087c3df23b3c39997
-
SHA256
ff35e95ff9ded617358d381b1a6ff7ad41b91a72ed823c827c756884a1c0c802
-
SHA512
9632623e414d1d6d0de0bd09c33f9d90036555a9c33d5cbbae6e83999200a00c804726be35f7043bd886b42b07ee3bddc1b686fb18d0356bad0028aab6d3bfa2
-
SSDEEP
6144:ax0VDXxQyrWwyJkeY+Js0OdOM2nY8U/MI6Cv1QBRc++dYB6ZZY32fX/pnneU5jk:y0VLxQyrWscT+8U/+
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mailbuilderbuilder.com - Port:
587 - Username:
[email protected] - Password:
Alluminio.1 - Email To:
[email protected]
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.
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Looks up external IP address via web service 1 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 2 IoCs
-
Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rJASBillOfLading-TPE36494384_PDF.exe"C:\Users\Admin\AppData\Local\Temp\rJASBillOfLading-TPE36494384_PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rJASBillOfLading-TPE36494384_PDF.exeC:\Users\Admin\AppData\Local\Temp\rJASBillOfLading-TPE36494384_PDF.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
392KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
352KB
-
Filesize
256KB
-
Filesize
256KB
-
Filesize
304KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
6.9MB
-
Filesize
264KB
-
Filesize
264KB
-
Filesize
256KB
-
Filesize
6.9MB
-
Filesize
264KB
-
Filesize
264KB
-
Filesize
4KB
-
Filesize
264KB
-
Filesize
264KB
-
Filesize
264KB
-
Filesize
6.9MB
-
Filesize
256KB