Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
06-07-2024 02:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
26586f4a13000cef487b0d155038d41c.exe
Resource
win7-20240704-en
windows7-x64
5 signatures
150 seconds
General
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Target
26586f4a13000cef487b0d155038d41c.exe
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Size
49KB
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MD5
26586f4a13000cef487b0d155038d41c
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SHA1
868684a0ef4201348dff25f6ada83c99a38590b5
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SHA256
61784eaa99ea232c4005ea1a9b0b4f5a78c804267134cf4597b0ccf011c77b3b
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SHA512
cae6dd72fe2071a4376a14f27e44c9184b769bd5fb40041f16301dd7854625af919833bd109c54aba8fb9b01003e8c3bd604768e84faedd84d710244940c1cfb
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SSDEEP
768:NyjqmPvkbCqSdScrOS01bPzcolxKzZKl9YNlcPAZHVEYl0vF8FFwpUarprU0rYX:NBCFdNrOSyzcWK9EWNGPAdVERCPcULX
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2936 cmd.exe -
Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83} 26586f4a13000cef487b0d155038d41c.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects 26586f4a13000cef487b0d155038d41c.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\jsgt 26586f4a13000cef487b0d155038d41c.exe File created C:\Windows\SysWOW64\lopg32.dll 26586f4a13000cef487b0d155038d41c.exe -
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\TypeLib\ = "{FC3F2641-5ABE-4B9B-A3FD-6E61A7CF38C4}" 26586f4a13000cef487b0d155038d41c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83} 26586f4a13000cef487b0d155038d41c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32\ThreadingModel = "Apartment" 26586f4a13000cef487b0d155038d41c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ProgID 26586f4a13000cef487b0d155038d41c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\TypeLib 26586f4a13000cef487b0d155038d41c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ = "Yahoo plugin" 26586f4a13000cef487b0d155038d41c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32 26586f4a13000cef487b0d155038d41c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32\ = "lopg32.dll" 26586f4a13000cef487b0d155038d41c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ProgID\ = "original" 26586f4a13000cef487b0d155038d41c.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2272 wrote to memory of 2936 2272 26586f4a13000cef487b0d155038d41c.exe 31 PID 2272 wrote to memory of 2936 2272 26586f4a13000cef487b0d155038d41c.exe 31 PID 2272 wrote to memory of 2936 2272 26586f4a13000cef487b0d155038d41c.exe 31 PID 2272 wrote to memory of 2936 2272 26586f4a13000cef487b0d155038d41c.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\26586f4a13000cef487b0d155038d41c.exe"C:\Users\Admin\AppData\Local\Temp\26586f4a13000cef487b0d155038d41c.exe"1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\26586F~1.EXE >> NUL2⤵
- Deletes itself
PID:2936
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