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Analysis
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max time kernel
149s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
10/11/2021, 11:11
Static task
static1
Behavioral task
behavioral1
Sample
ziraat bankasi swift mesaji.exe
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
ziraat bankasi swift mesaji.exe
Resource
win10-en-20211014
General
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Target
ziraat bankasi swift mesaji.exe
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Size
603KB
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MD5
67fa45924a8d2a4b751ef46d5c636d63
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SHA1
7baed7557107d377431e868edbce12c4df8262d6
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SHA256
3049f3aa728a2c0f15dea40eb8d46c44ab1618cb8f2a1bb739cc6760aea303f5
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SHA512
959d090f33848fd84d9fab32cc40b81d0a12b16c3c11ef41cf08dd6029340520d81b010f82e1177d13ff43669908d4ce832831fedfc04457c47de7804addeef4
Malware Config
Extracted
blustealer
Protocol: smtp- Host:
mail.yekamuhendislik.com - Port:
587 - Username:
[email protected] - Password:
MuhasebE123*
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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BluStealer
A Modular information stealer written in Visual Basic.
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A310logger Executable 2 IoCs
resource yara_rule behavioral2/files/0x000200000001abdb-144.dat a310logger behavioral2/files/0x000200000001abdb-145.dat a310logger -
Executes dropped EXE 1 IoCs
pid Process 3672 Fox.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2696 set thread context of 1784 2696 ziraat bankasi swift mesaji.exe 73 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 748 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2696 ziraat bankasi swift mesaji.exe 2696 ziraat bankasi swift mesaji.exe 2696 ziraat bankasi swift mesaji.exe 2696 ziraat bankasi swift mesaji.exe 2280 powershell.exe 2280 powershell.exe 2280 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2696 ziraat bankasi swift mesaji.exe Token: SeDebugPrivilege 2280 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1784 ziraat bankasi swift mesaji.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe 69 PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe 69 PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe 69 PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe 71 PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe 71 PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe 71 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe 73 PID 1784 wrote to memory of 3672 1784 ziraat bankasi swift mesaji.exe 74 PID 1784 wrote to memory of 3672 1784 ziraat bankasi swift mesaji.exe 74 PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe 77 PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe 77 PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe 77 PID 1368 wrote to memory of 1340 1368 WinMail.exe 78 PID 1368 wrote to memory of 1340 1368 WinMail.exe 78 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tFqrzHcqoZfacZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFqrzHcqoZfacZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C6B.tmp"2⤵
- Creates scheduled task(s)
PID:748
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C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:3672
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C:\Program Files (x86)\Windows Mail\WinMail.exe"C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE3⤵
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Program Files\Windows Mail\WinMail.exe"C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE4⤵PID:1340
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