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Analysis
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max time kernel
300s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2022, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
hesaphareketi-01.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
hesaphareketi-01.exe
Resource
win10v2004-20220901-en
General
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Target
hesaphareketi-01.exe
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Size
33KB
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MD5
d6870407aa950cb957d5953ca8f369f6
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SHA1
b4b01dbcd3ff4c93b5bed2caca65ae5161f8da4f
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SHA256
72f5582cc2f5a103307f8af4745d621c226dfb7940d33d18e8998b4ad1087373
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SHA512
6cd9cd4873f1c0fb4091bc4ab5b6c1f2c66490adc7fb94a763f060e9ba91b624ea175ce340fcbfd85f8ccb1f4869bd2093f02e4e210e926af28d499a7a9fdfdf
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SSDEEP
384:C+6mGkLVeSK3rBXnXOEGLkgt5JFV7XGddMKJKVGxovRZhYzQTBHCZJ5H1A:C+dvK3Zn+vkzzxo3TBi3vA
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774
Signatures
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BluStealer
A Modular information stealer written in Visual Basic.
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/2236-150-0x0000000000D60000-0x0000000000D7A000-memory.dmp family_stormkitty -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation hesaphareketi-01.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nsnldvaq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xmaxswoucmv\\Nsnldvaq.exe\"" hesaphareketi-01.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.
flow ioc 31 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4760 set thread context of 2864 4760 hesaphareketi-01.exe 91 PID 2864 set thread context of 2236 2864 hesaphareketi-01.exe 93 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 AppLaunch.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier AppLaunch.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2180 powershell.exe 2180 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 hesaphareketi-01.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4760 hesaphareketi-01.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 2236 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2864 hesaphareketi-01.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4760 wrote to memory of 2180 4760 hesaphareketi-01.exe 89 PID 4760 wrote to memory of 2180 4760 hesaphareketi-01.exe 89 PID 4760 wrote to memory of 2180 4760 hesaphareketi-01.exe 89 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 4760 wrote to memory of 2864 4760 hesaphareketi-01.exe 91 PID 2864 wrote to memory of 2236 2864 hesaphareketi-01.exe 93 PID 2864 wrote to memory of 2236 2864 hesaphareketi-01.exe 93 PID 2864 wrote to memory of 2236 2864 hesaphareketi-01.exe 93 PID 2864 wrote to memory of 2236 2864 hesaphareketi-01.exe 93 PID 2864 wrote to memory of 2236 2864 hesaphareketi-01.exe 93 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2180
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exeC:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2236
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