Analysis
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max time kernel
117s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-06-2024 07:13
Static task
static1
Behavioral task
behavioral1
Sample
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
Resource
win10v2004-20240426-en
General
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Target
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
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Size
595KB
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MD5
ee4bf41b907bc392d81019a6a94949bf
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SHA1
0b938cc890947766c5133f46225acee30bf08bc4
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SHA256
15c04e22491f8e845da0adff79abd677fc12388ccea0f7c031c679ef175e3228
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SHA512
e3e66239827ee024217e04863f62bd6aad302f1049b4c337ba9bd14d790ec01c4c2e85c7c7a28f929f1bdde797967f6ca2f08bd32770bb319cfb378bd23e5184
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SSDEEP
12288:vaw2pkEVVr3/sqHj4QOnubaa4PICGZiFIYKP/7IBy:vOLTP/D4im7PICGgyVPsBy
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.blancahotel.com - Port:
587 - Username:
[email protected] - Password:
J4OsTW6J - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exedescription pid Process procid_target PID 2120 set thread context of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid Process 1988 regasm.exe 1988 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exeregasm.exedescription pid Process Token: SeDebugPrivilege 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe Token: SeDebugPrivilege 1988 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regasm.exepid Process 1988 regasm.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exedescription pid Process procid_target PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 1988 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 28 PID 2120 wrote to memory of 2616 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 29 PID 2120 wrote to memory of 2616 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 29 PID 2120 wrote to memory of 2616 2120 YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1988
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2120 -s 6602⤵PID:2616
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