Analysis
- max time kernel
61s - max time network
115s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
15/03/2023, 08:26
Static task
static1
Behavioral task
behavioral1
Sample
0371dcc69b7805359ccadcce117e8b35.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
0371dcc69b7805359ccadcce117e8b35.exe
Resource
win10v2004-20230220-en
11 signatures
150 seconds
General
- Target 0371dcc69b7805359ccadcce117e8b35.exe
- Size 807KB
- Sample230315-kbvbyscc82
- SHA256 5632ae27980cf1407b52fe4a9da06e30cec16937a75971b4df6d875c14278c8d
- MD5 0371dcc69b7805359ccadcce117e8b35
- SHA1 c1d897f058d568519a80f28080689e32121aec15
- SHA512 e6312f6f7c5e6a722c79b288339ec772de40eb780c3f05effd1f7179733d9ea7963a9938479c4a063c7824e1b166dfcbce35215bd2b0a5ebf65f99e6f56ac310
- SSDEEP 24576:luDJTkwPh1RnwqU94N3JHFJNOf9oE1Vp:8DFkwPpnbW4ZHbNOVo
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0371dcc69b7805359ccadcce117e8b35.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0371dcc69b7805359ccadcce117e8b35.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0371dcc69b7805359ccadcce117e8b35.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1188 set thread context of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 560 0371dcc69b7805359ccadcce117e8b35.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 PID 1188 wrote to memory of 560 1188 0371dcc69b7805359ccadcce117e8b35.exe 28 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0371dcc69b7805359ccadcce117e8b35.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0371dcc69b7805359ccadcce117e8b35.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:560
-