Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2023 16:18
Static task
static1
Behavioral task
behavioral1
Sample
תשלום בסוויפט 110468 3.11.2023.scr.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
תשלום בסוויפט 110468 3.11.2023.scr.exe
Resource
win10v2004-20231025-en
General
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Target
תשלום בסוויפט 110468 3.11.2023.scr.exe
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Size
1.1MB
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MD5
cf89a03d499a9da3518a943bdaaf3f9a
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SHA1
f6e1db56f0a6a88a787920a56acbb2406b5fca2b
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SHA256
8c366bddcc19d07924b953259274f43f30c9a70f726c70420f8a01e07a209734
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SHA512
4c61ab6c7014a868a7f1568074c018e469a2a4af6428a7e40cb4370d07b7c083a4b710d0c5b2c6c7c8ac5224e8301705643b599c3159f521dd97540df61f84f4
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SSDEEP
24576:UfjHsVx69As4hkB/YAuseX7KvO1YAuJMi+sPV3GykDfMNVzCOgKIQtKoColK5dwL:CjHZ9AsQpAuserKvpAuJMi+sPV3GykDM
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
resultsurex.com - Port:
587 - Username:
[email protected] - Password:
d()&nzU1tC3+
Protocol: ftp- Host:
ftp://ftp.resultsurex.com/ - Port:
21 - Username:
[email protected] - Password:
[XH~0fB9c]@*
https://api.telegram.org/bot6783929306:AAFJU35OkwjDMHKdR2FUDQELnw67_grsAts/sendMessage?chat_id=5986156290
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4032-8-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 35 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
תשלום בסוויפט 110468 3.11.2023.scr.exedescription pid process target process PID 3836 set thread context of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 4032 RegAsm.exe 4032 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
תשלום בסוויפט 110468 3.11.2023.scr.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe Token: SeDebugPrivilege 4032 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
תשלום בסוויפט 110468 3.11.2023.scr.exedescription pid process target process PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe PID 3836 wrote to memory of 4032 3836 תשלום בסוויפט 110468 3.11.2023.scr.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\תשלום בסוויפט 110468 3.11.2023.scr.exe"C:\Users\Admin\AppData\Local\Temp\תשלום בסוויפט 110468 3.11.2023.scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4032