Analysis
-
max time kernel
77s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
-
submitted
30-09-2022 22:31
General
-
Target
Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr
-
Size
730KB
-
MD5
0d46808ee6193515a12305f9b59352c7
-
SHA1
08e0bf06814fde6084d0e3d59e058aa95558d8fa
-
SHA256
21069f1228603fb512b24e1c9f58cf57b370d93b5f78b8b9628e93c9c79a5f7c
-
SHA512
8cc4f79e3ea3855705bceccce059a2fc232273700ad4c4ccb0825ad49bf0594bdfedb19babcc158a77e575ef90996ac57e23bb42f52af69b266e61c070616216
-
SSDEEP
12288:DIImSMXVbe1QFQ52ZP5wOxVHggEXyYDCKzTNfzqhtZXYIkm7Fy93kJSS/e:DIIkeMh5w2AgEXycJMtZYIkoFyn
Malware Config
Extracted
Protocol: smtp- Host:
smtp.mail.com - Port:
587 - Username:
[email protected] - Password:
SURE12345
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
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
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
-
Suspicious use of AdjustPrivilegeToken 3 IoCs
-
Suspicious use of WriteProcessMemory 11 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr"C:\Users\Admin\AppData\Local\Temp\Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr" /S1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr"C:\Users\Admin\AppData\Local\Temp\Confirmation_transfer_MT103 Ref_002101086753232301_Pdf.scr"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD57e88081fcf716d85992bb3af3d9b6454
SHA12153780fbc71061b0102a7a7b665349e1013e250
SHA2565ffb4a3ea94a6a53c4f88e2191c6fec5fd8a7336e367aa113fe8c12631e0c4d2
SHA512ec606e14367ae221c04f213a61a6f797034495121198e4788e3afa4aa8db67bf59c5c5210a56afae5557158e8923b013b371b84c7d64303618c5b4c57a2224f7
-
-
Filesize
40KB
-
Filesize
584KB
-
Filesize
320KB
-
Filesize
624KB
-
Filesize
5.6MB
-
Filesize
232KB
-
Filesize
136KB
-
Filesize
752KB
-
Filesize
6.2MB
-
Filesize
104KB
-
Filesize
6.5MB
-
Filesize
120KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
216KB
-