Static task
static1
Behavioral task
behavioral1
Sample
ComputerDefaults.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ComputerDefaults.exe
Resource
win10v2004-20230221-en
General
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Target
ComputerDefaults.exe
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Size
46KB
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MD5
cb42b7577634dddff682d836d994366d
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SHA1
8d15522d86291fc36539b9a8f06aa69f918530ef
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SHA256
b1d60998b3a727dd42df40aa8bdcb9bddb358ebaba6c7a8133bbd7e00edb2c7d
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SHA512
d0496d3210473173021244c3e46f4063d96f38d6c40deb961bfca50a9bd13af466093ba17cd1baa89ea74b085b9756db2d13f915893848a07e0d85daff349c66
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SSDEEP
768:j65oERo5Q2p053kL9QxIjdyHDTWs2IkRDzsq4ytZZZL2YCX4ib3+:j65oERo5Q2p053k6+yHXURDoq4OZZZLm
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ComputerDefaults.exe
Files
-
ComputerDefaults.exe.exe windows x86
baf2b2a54fa5e51b646474c16c67dfe7
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleFileNameA
CreateSemaphoreExW
HeapFree
SetLastError
ReleaseSemaphore
GetModuleHandleExW
WaitForSingleObject
GetCurrentThreadId
ReleaseMutex
FormatMessageW
GetLastError
OutputDebugStringW
WaitForSingleObjectEx
OpenSemaphoreW
CloseHandle
HeapAlloc
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
msvcrt
_unlock
__dllonexit
_onexit
?terminate@@YAXXZ
_controlfp
_except_handler4_common
_wcmdln
_cexit
_exit
_initterm
exit
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
__setusermatherr
_lock
__p__fmode
memcpy_s
_vsnwprintf
__set_app_type
memset
shell32
ShellExecuteExW
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-0
TerminateProcess
GetStartupInfoW
GetCurrentProcess
api-ms-win-core-errorhandling-l1-1-0
UnhandledExceptionFilter
SetUnhandledExceptionFilter
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
Sections
.text Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 844B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ