Static task
static1
Behavioral task
behavioral1
Sample
sim.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
sim.exe
Resource
win10v2004-20231023-en
General
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Target
sim.exe
-
Size
306KB
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MD5
95518ed3d5325dfd3ae3e228d66d0607
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SHA1
8c16c79518b796ff4a956df1513dbb7cd04b86e8
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SHA256
89531dd26d0d8fbc07ddf649289576559fb34779a31e0c1686356db31b61e433
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SHA512
cc8822dcee476f84d24045be9e86b9a66ecc0c741391cbf3e7cb988f543532f502834d794fc900423cc898bb59af41b34162c6e9dc8ae6192d586934fd867741
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SSDEEP
6144:sKAvu+4jfsKBK67u/HoHn6atnEmSOIoq7UaFdHUYRhKMHPuc5ho2Xedl8AACh1I4:a4jfsKBK67u/HoHn6atnZbq7UaFdHUyO
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource sim.exe
Files
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sim.exe.exe windows:4 windows x86
867fc14f970c8408f23b4e9c907d5326
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
AddAtomA
CreateSemaphoreA
ExitProcess
FindAtomA
GetAtomNameA
GetLastError
InterlockedDecrement
InterlockedIncrement
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
WaitForSingleObject
msvcrt
_fdopen
_read
_strdup
_write
__getmainargs
__mb_cur_max
__p___argv
__p__environ
__p__fmode
__set_app_type
_assert
_cexit
_ctype
_errno
_filelengthi64
_fstati64
_iob
_isctype
_lseeki64
_onexit
_pctype
_setmode
_strnicmp
_vsnprintf
abort
atexit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fread
free
fsetpos
fwrite
getc
getenv
localeconv
malloc
memchr
memcpy
memmove
memset
putc
setlocale
setvbuf
signal
sqrt
strchr
strcmp
strcoll
strcpy
strftime
strlen
strncmp
strtod
strxfrm
tolower
ungetc
vfprintf
Sections
.text Size: 289KB - Virtual size: 289KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 448B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 19KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE