Analysis
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max time kernel
143s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
09-09-2022 15:44
Static task
static1
Behavioral task
behavioral1
Sample
hesaphareketi-01.pdf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
hesaphareketi-01.pdf.exe
Resource
win10v2004-20220901-en
General
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Target
hesaphareketi-01.pdf.exe
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Size
933KB
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MD5
6a81e1ecfdd0d555504d0718cf22e557
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SHA1
73ed263a3f8de8aa99590dd240105b3f6b737150
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SHA256
e57050b46da3903b314d721bfb34e69ad18b8906d29b0193dd155981e5f37807
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SHA512
2660c2625e9d435cc8afbf57ba1197a02968ef046342877a62a42bcece7ebde8b40748371c0019b43c4f17a669ad614992be5ce4bf5283aba752fd59973b86f1
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SSDEEP
12288:Km2iNhdGxvM/Ht1+uRo3MRU/1gKv6BdDaLFgha6lBFbJXlG:91xG+HtcuRLig06TCFgNvFtXlG
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896
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 4 IoCs
resource yara_rule behavioral1/memory/1976-74-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/1976-75-0x00000000000A4F6E-mapping.dmp family_stormkitty behavioral1/memory/1976-77-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/1976-79-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.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 4 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1684 set thread context of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1088 set thread context of 1976 1088 hesaphareketi-01.pdf.exe 28 -
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 6 IoCs
pid Process 1684 hesaphareketi-01.pdf.exe 1684 hesaphareketi-01.pdf.exe 1684 hesaphareketi-01.pdf.exe 1684 hesaphareketi-01.pdf.exe 1684 hesaphareketi-01.pdf.exe 1684 hesaphareketi-01.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1684 hesaphareketi-01.pdf.exe Token: SeDebugPrivilege 1976 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1088 hesaphareketi-01.pdf.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1684 wrote to memory of 1088 1684 hesaphareketi-01.pdf.exe 27 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 PID 1088 wrote to memory of 1976 1088 hesaphareketi-01.pdf.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088 -
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:1976
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