Analysis
-
max time kernel
146s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 22:25
Static task
static1
Behavioral task
behavioral1
Sample
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe
Resource
win10v2004-20230915-en
General
-
Target
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe
-
Size
352KB
-
MD5
136fcb0e5f1f8f01355c76f82f521042
-
SHA1
1780d6eae94e6aa09caf83160baf9b6100a3bae5
-
SHA256
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c
-
SHA512
82831d07b00018e16aa5e4f2f3cb0afc8d8c3cb265bfeb81fd0a6f06bd33a895b73b71c723fff733bf79b8d56be6584f745fb84d838bc1ae074ba8109838750c
-
SSDEEP
6144:GiRg5C/D8frFV5b9mCIcbDqAxuuiqohdrZlhV8zmVIQU4P6AEpiCUBRWalN:GiRHb8xX9bIf+TBobrZKzmVIQUo6AEpa
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.gkas.com.tr - Port:
587 - Username:
[email protected] - Password:
Gkasteknik@2022
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4048-1-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.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 31 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exedescription pid process target process PID 2172 set thread context of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AddInProcess32.exepid process 4048 AddInProcess32.exe 4048 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
AddInProcess32.exedescription pid process Token: SeDebugPrivilege 4048 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exedescription pid process target process PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe PID 2172 wrote to memory of 4048 2172 c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe AddInProcess32.exe -
outlook_office_path 1 IoCs
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe"C:\Users\Admin\AppData\Local\Temp\c5ab3a2b0cdee04b6cfd385a634573b3da5857d308b1ad5d107fe913cfe9e97c_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4048