Analysis
- max time kernel
43s - max time network
141s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
17/03/2023, 09:21
Static task
static1
Behavioral task
behavioral1
Sample
0e62cc35e2e3e587f0ccba39e1cb502e.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
0e62cc35e2e3e587f0ccba39e1cb502e.exe
Resource
win10v2004-20230220-en
General
- Target 0e62cc35e2e3e587f0ccba39e1cb502e.exe
- Size 3.8MB
- Sample230317-lbbqaafd43
- SHA256 462b121f72bc42fcefcfc67174e4de53083b977458c7ed3d4009eec6bddd3f1b
- MD5 0e62cc35e2e3e587f0ccba39e1cb502e
- SHA1 18892411b33a4b9065c2e7b11b74f41c3466e5c4
- SHA512 7a6aaf5bfd2b4a171466bea1b7f0b783201d6f3b80cae272dfddc38b0c526109b0b91e887d5b76f75ae0d9341d7ef90dd40fc65f44e114f0e4dd406876738c75
- SSDEEP 49152:cjb2qgyaCDTmDmfYnO+JOy3m/g1qbBX+Mc66vn/:cjbz/mDmhUC
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6186081135:AAE-pyeAPznTgw_kOutx39khc9POE425kWU/
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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e62cc35e2e3e587f0ccba39e1cb502e.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e62cc35e2e3e587f0ccba39e1cb502e.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e62cc35e2e3e587f0ccba39e1cb502e.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ydpeeojssq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Jzdxwvxxtix\\Ydpeeojssq.exe\"" 0e62cc35e2e3e587f0ccba39e1cb502e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\WDDfqV = "C:\\Users\\Admin\\AppData\\Roaming\\WDDfqV\\WDDfqV.exe" 0e62cc35e2e3e587f0ccba39e1cb502e.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 1076 set thread context of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1992 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe Token: SeDebugPrivilege 1728 0e62cc35e2e3e587f0ccba39e1cb502e.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1728 0e62cc35e2e3e587f0ccba39e1cb502e.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1076 wrote to memory of 1992 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 27 PID 1076 wrote to memory of 1992 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 27 PID 1076 wrote to memory of 1992 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 27 PID 1076 wrote to memory of 1992 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 27 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 PID 1076 wrote to memory of 1728 1076 0e62cc35e2e3e587f0ccba39e1cb502e.exe 29 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e62cc35e2e3e587f0ccba39e1cb502e.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e62cc35e2e3e587f0ccba39e1cb502e.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe"C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
-
-
C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exeC:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1728
-