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:
muhasebe@yekamuhendislik.com - 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
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger -
Executes dropped EXE 1 IoCs
Processes:
Fox.exepid 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
Processes:
Fox.exedescription 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
Processes:
ziraat bankasi swift mesaji.exedescription pid process target process PID 2696 set thread context of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe -
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.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
ziraat bankasi swift mesaji.exepowershell.exepid 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
Processes:
ziraat bankasi swift mesaji.exepowershell.exedescription pid process Token: SeDebugPrivilege 2696 ziraat bankasi swift mesaji.exe Token: SeDebugPrivilege 2280 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ziraat bankasi swift mesaji.exepid process 1784 ziraat bankasi swift mesaji.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
ziraat bankasi swift mesaji.exeziraat bankasi swift mesaji.exeWinMail.exedescription pid process target process PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe powershell.exe PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe powershell.exe PID 2696 wrote to memory of 2280 2696 ziraat bankasi swift mesaji.exe powershell.exe PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe schtasks.exe PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe schtasks.exe PID 2696 wrote to memory of 748 2696 ziraat bankasi swift mesaji.exe schtasks.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 2696 wrote to memory of 1784 2696 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe PID 1784 wrote to memory of 3672 1784 ziraat bankasi swift mesaji.exe Fox.exe PID 1784 wrote to memory of 3672 1784 ziraat bankasi swift mesaji.exe Fox.exe PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe WinMail.exe PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe WinMail.exe PID 1784 wrote to memory of 1368 1784 ziraat bankasi swift mesaji.exe WinMail.exe PID 1368 wrote to memory of 1340 1368 WinMail.exe WinMail.exe PID 1368 wrote to memory of 1340 1368 WinMail.exe WinMail.exe -
outlook_office_path 1 IoCs
Processes:
Fox.exedescription 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
Processes:
Fox.exedescription 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
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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
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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)
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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
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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
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C:\Program Files (x86)\Windows Mail\WinMail.exe"C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE3⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files\Windows Mail\WinMail.exe"C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp9C6B.tmpMD5
f90ffaf18cb64b0db342f87d3ecf5b65
SHA1ca1952bd3b569c93487e2b78bfd25888953a0dec
SHA256d230599864067eab1c754bec07ac2af25628ff5f1321b8abb702c02fc21c1de0
SHA5123111da288e38bb16912b0750e595985115f947a61aeebee5c9812b286319e616287d22a6eadc0e3782beb17cf01443f5c47db8d91a9ee6cd3fe00d307027955f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeMD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeMD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\credentials.txtMD5
055c857272026583a61e1b5821c69a24
SHA1ec39d34f16487682801dd2b319554cbed57feca4
SHA256190db16bb64995e3bdea04b9e6fc1994dacfea3253a7559732205b1d41362b84
SHA512d7833c4651683e95959107e05b07b60d2e963b9fbecd0106b329e2087d1dfc9aedb962b334e22b6b462699cbce86097d4d50ce5d1310ad098e3531efaa4e204b
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memory/748-125-0x0000000000000000-mapping.dmp
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memory/1340-388-0x0000000000000000-mapping.dmp
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memory/1368-387-0x0000000000000000-mapping.dmp
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memory/1784-134-0x0000000000DB0000-0x0000000000DBA000-memory.dmpFilesize
40KB
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memory/1784-133-0x0000000000DB0000-0x0000000000DB6000-memory.dmpFilesize
24KB
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memory/1784-130-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/1784-131-0x0000000000401B9C-mapping.dmp
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memory/2280-136-0x0000000007302000-0x0000000007303000-memory.dmpFilesize
4KB
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memory/2280-142-0x00000000088B0000-0x00000000088B1000-memory.dmpFilesize
4KB
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memory/2280-129-0x0000000004D30000-0x0000000004D31000-memory.dmpFilesize
4KB
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memory/2280-126-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/2280-124-0x0000000000000000-mapping.dmp
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memory/2280-132-0x0000000007940000-0x0000000007941000-memory.dmpFilesize
4KB
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memory/2280-241-0x0000000007303000-0x0000000007304000-memory.dmpFilesize
4KB
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memory/2280-171-0x0000000009B10000-0x0000000009B11000-memory.dmpFilesize
4KB
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memory/2280-135-0x0000000007300000-0x0000000007301000-memory.dmpFilesize
4KB
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memory/2280-170-0x000000007F230000-0x000000007F231000-memory.dmpFilesize
4KB
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memory/2280-137-0x0000000007590000-0x0000000007591000-memory.dmpFilesize
4KB
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memory/2280-138-0x0000000007830000-0x0000000007831000-memory.dmpFilesize
4KB
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memory/2280-139-0x00000000078A0000-0x00000000078A1000-memory.dmpFilesize
4KB
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memory/2280-140-0x0000000008150000-0x0000000008151000-memory.dmpFilesize
4KB
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memory/2280-141-0x0000000007FD0000-0x0000000007FD1000-memory.dmpFilesize
4KB
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memory/2280-127-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/2280-169-0x0000000009940000-0x0000000009941000-memory.dmpFilesize
4KB
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memory/2280-164-0x00000000097F0000-0x00000000097F1000-memory.dmpFilesize
4KB
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memory/2280-157-0x0000000009810000-0x0000000009843000-memory.dmpFilesize
204KB
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memory/2280-149-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/2280-148-0x00000000087B0000-0x00000000087B1000-memory.dmpFilesize
4KB
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memory/2696-120-0x0000000005000000-0x0000000005001000-memory.dmpFilesize
4KB
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memory/2696-121-0x0000000008540000-0x0000000008547000-memory.dmpFilesize
28KB
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memory/2696-115-0x00000000005F0000-0x00000000005F1000-memory.dmpFilesize
4KB
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memory/2696-122-0x0000000008880000-0x0000000008881000-memory.dmpFilesize
4KB
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memory/2696-119-0x0000000004FA0000-0x000000000549E000-memory.dmpFilesize
5.0MB
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memory/2696-123-0x0000000008A20000-0x0000000008A93000-memory.dmpFilesize
460KB
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memory/2696-118-0x0000000005040000-0x0000000005041000-memory.dmpFilesize
4KB
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memory/2696-117-0x00000000054A0000-0x00000000054A1000-memory.dmpFilesize
4KB
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memory/3672-146-0x00000000009F0000-0x00000000009F1000-memory.dmpFilesize
4KB
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memory/3672-151-0x00000000011D0000-0x00000000011D2000-memory.dmpFilesize
8KB
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memory/3672-143-0x0000000000000000-mapping.dmp