Behavioral task
behavioral1
Sample
avbypass.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
avbypass.exe
Resource
win10v2004-20240226-en
General
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Target
avbypass.exe
-
Size
275KB
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MD5
49857819fe82d9294276a808aae15f76
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SHA1
c625b5e62c8ebe9245ee7078c59fd8373506df1a
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SHA256
773964dc8df7abd5fcf897a8185d3ffc914ebf71263dfb2eb39c33e01349cb25
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SHA512
9dea9dd99d02e49648cf2b9629afd97a0aadc87ab0d6e5a4e65817e70de548a7f387beeeb79410a0be2994372362926667c673a84a6427428ad73c95ea7aff5b
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SSDEEP
6144:WHWS45zS6Na1E8qg3BKRe8gw+lBOYWjnO/Vtnl4:WhKmrO7agEzS76/v6
Malware Config
Extracted
metasploit
windows/shell_reverse_tcp
65.109.161.145:443
Signatures
-
Metasploit family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource avbypass.exe
Files
-
avbypass.exe.exe windows:4 windows x86 arch:x86
3baf5198a5c82b57436352743d8c8225
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
msvcrt
__getmainargs
__initenv
__lconv_init
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_initterm
_iob
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
signal
strlen
strncmp
vfprintf
Sections
.text Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 512B - Virtual size: 208B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 712B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1024B - Virtual size: 576B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/14 Size: 1024B - Virtual size: 688B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/29 Size: 203KB - Virtual size: 203KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/41 Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/55 Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/67 Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/80 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/91 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/102 Size: 1024B - Virtual size: 592B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ