Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15-10-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
Invoice for Authorized.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Invoice for Authorized.exe
Resource
win10v2004-20241007-en
General
-
Target
Invoice for Authorized.exe
-
Size
1.1MB
-
MD5
a4f4ace29081f66063d5a8c61739dcb4
-
SHA1
7ff750b4f4e21d265f28836bd28dc691d3e53125
-
SHA256
7ea9b98bca8ca5e1b8c7c850202d609181d645462ce39d16a920e25f12ad5b81
-
SHA512
29fb5ffbd5b89c6f4e4a0751b2562ab57de312f9fb58777efa4a67e93aa29979d6318bddfca2bcfbd81fdbc71bc67221521de432a77519615ad44f56eff7e187
-
SSDEEP
12288:kPZSZWEL1QAEomSpnr6rMRw2stLNDnuSmfWCE27/Jyirzl3TqcNy3R61R:khSZWEL1DZZQMRFKDnu7W927hrzl
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
BkKMmzZ1
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice for Authorized.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice for Authorized.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice for Authorized.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 freegeoip.app 9 freegeoip.app 10 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2432 set thread context of 2748 2432 Invoice for Authorized.exe 31 -
Program crash 1 IoCs
pid pid_target Process procid_target 2276 2748 WerFault.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice for Authorized.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice for Authorized.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2748 Invoice for Authorized.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2748 Invoice for Authorized.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2432 wrote to memory of 2748 2432 Invoice for Authorized.exe 31 PID 2748 wrote to memory of 2276 2748 Invoice for Authorized.exe 32 PID 2748 wrote to memory of 2276 2748 Invoice for Authorized.exe 32 PID 2748 wrote to memory of 2276 2748 Invoice for Authorized.exe 32 PID 2748 wrote to memory of 2276 2748 Invoice for Authorized.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice for Authorized.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice for Authorized.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2748 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 11043⤵
- Program crash
PID:2276
-
-