Analysis
-
max time kernel
145s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:19
General
-
Target
BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe
-
Size
700KB
-
MD5
70412bb185c9232855032d5ea681f5d2
-
SHA1
55f0e244005e965fbd0c9355ea4f4f51c824b8d3
-
SHA256
e51adcf99928f26014b6993369a60a9d4371759f23ddbd4d0df10105ce6de848
-
SHA512
ab20f06c0aaa1c57fea7b69e28f39a01739feb37e97639ceed29a7a573284081ad582bb5946239e592758c6fc8098e3b52a31e2bb3f4a1387196ca17513d6d81
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
amblessed22
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
amblessed22
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
-
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.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 8 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe"C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
685B
MD505bdd1f220197301f9a03d67595ac7db
SHA13fadb2b5770061249ef30552e38e84d2f685e55b
SHA25672003e1b55ec4ffea8ee1af0f6df49a63ca557165ca3377a114c2e60af181926
SHA512915f3f1fda5718ff8a8a26cacd8a88bd5ff46edfc40d807cb5860c21e966523d82cadcaaf79240e6d42fcba8335ef0e6bdd05d8d2210cf4d1ed3e4a71fec6d78
-
Filesize
728KB
-
Filesize
5.6MB
-
Filesize
584KB
-
Filesize
1.5MB
-
Filesize
624KB
-
-
Filesize
304KB
-
Filesize
408KB
-
Filesize
320KB
-
Filesize
40KB