Static task
static1
Behavioral task
behavioral1
Sample
ab.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ab.exe
Resource
win10v2004-20240221-en
General
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Target
ab.exe
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Size
64KB
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MD5
1640efa25e8ef9e0d5a4fb66f88f9dff
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SHA1
6904b02b33398afa4c6ea976a14c97391bdd341a
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SHA256
f3fa0b67a4f80513d5862301a56617f3c0266f557add12fdd4b0210a5d2325eb
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SHA512
051c1226b4f95d324173e9aaf4ce1ad7be73710c03f71ac33bf13ca45137d331767f28308b4314c5b7e45d5ae8386bfc63dd58ee49944e69c6af8cce1fccf8c8
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SSDEEP
1536:XWFol8a1euu/9QJZSMlqi0mDY0NE8QskqBX:XNb0ugaZbwD0NE8QsvX
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ab.exe
Files
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ab.exe.exe windows:4 windows x86 arch:x86
2c2b747c5399cd4b91af28a14aa746c5
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
_controlfp
_except_handler3
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
__p___initenv
_XcptFilter
_exit
_onexit
__dllonexit
strrchr
wcsncmp
wcslen
wcscpy
strerror
modf
strspn
realloc
__p__environ
__p__wenviron
_errno
free
strncmp
strstr
strncpy
_ftol
fopen
perror
fclose
qsort
fflush
calloc
malloc
printf
_isctype
atoi
exit
__mb_cur_max
_pctype
strchr
fprintf
_iob
_strdup
_strnicmp
kernel32
PeekNamedPipe
ReadFile
GetOverlappedResult
WriteFile
LoadLibraryA
GetProcAddress
GetVersionExA
GetExitCodeProcess
TerminateProcess
LeaveCriticalSection
SetEvent
ReleaseMutex
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
CreateMutexA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GlobalFree
GetCommandLineW
TlsAlloc
TlsFree
DuplicateHandle
GetCurrentProcess
SetHandleInformation
CloseHandle
GetSystemTimeAsFileTime
FileTimeToSystemTime
GetTimeZoneInformation
FileTimeToLocalFileTime
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
Sleep
FormatMessageA
GetLastError
WaitForSingleObject
CreateEventA
SetStdHandle
GetStdHandle
SetFilePointer
CreateFileA
CreateFileW
LocalFree
GetFileType
GetFileInformationByHandle
advapi32
FreeSid
AllocateAndInitializeSid
wsock32
getsockopt
connect
htons
gethostbyname
ntohl
inet_ntoa
setsockopt
socket
closesocket
select
ioctlsocket
__WSAFDIsSet
WSAStartup
WSACleanup
WSAGetLastError
ws2_32
WSARecv
WSASend
Sections
.text Size: 40KB - Virtual size: 39KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ