Analysis
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max time kernel
149s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2024 13:59
Static task
static1
Behavioral task
behavioral1
Sample
WindowsPackage/WindowsPackage.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
WindowsPackage/WindowsPackage.exe
Resource
win10v2004-20240802-en
General
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Target
WindowsPackage/WindowsPackage.exe
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Size
339KB
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MD5
ceaa5817a65e914aa178b28f12359a46
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SHA1
534a7ea9c67bab3e8f2d41977bf43d41dfe951cf
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SHA256
6c959cfb001fbb900958441dfd8b262fb33e052342948bab338775d3e83ef7f7
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SHA512
fef4c0b451d18a9eb73045b3ddcd44450294f06c616cc7175850e6315a6265bd077c8fd09782c486eea624145c7d4c18f8e00a94c0deb394900f9b3e70e60320
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SSDEEP
6144:tlsHe0BivO39zYpmH+kAzkA7ZUgbc6AYJ8rEdrEbAgMMV6NX5ZNeVgjYf:InIO39YAeNLFjAYarEdrEb5P6VxY
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 4 1752 rundll32.exe 18 1752 rundll32.exe 19 1752 rundll32.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\U: rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5036 set thread context of 1752 5036 WindowsPackage.exe 85 -
Program crash 1 IoCs
pid pid_target Process procid_target 936 5036 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsPackage.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1752 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1752 rundll32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5036 wrote to memory of 1752 5036 WindowsPackage.exe 85 PID 5036 wrote to memory of 1752 5036 WindowsPackage.exe 85 PID 5036 wrote to memory of 1752 5036 WindowsPackage.exe 85 PID 5036 wrote to memory of 1752 5036 WindowsPackage.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\WindowsPackage\WindowsPackage.exe"C:\Users\Admin\AppData\Local\Temp\WindowsPackage\WindowsPackage.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe2⤵
- Blocklisted process makes network request
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 2402⤵
- Program crash
PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5036 -ip 50361⤵PID:1948