Static task
static1
Behavioral task
behavioral1
Sample
join.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
join.exe
Resource
win10v2004-20240508-en
General
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Target
join.exe
-
Size
32KB
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MD5
6e09746b74f0e06a3a0abee9945d64e2
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SHA1
52279cac1e6ee55c108dea387070ffa78f2c1978
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SHA256
11e6df93325ffe49ef9b54f48f7c7be8ddc3ad1c9c9d881107ff742c6133322c
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SHA512
0dbed2537e6f46af47ced87401060070b0a3e5b995466f2e6fe99171991ab6c5450f2bdd771b02eef8509e1c758e1c5b844d6eb4e5a642f824944b9fb3a4d81f
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SSDEEP
768:rBUvr51pxdPPANlxhOJsw2hz5/gwG9OOPhyqVgp:lUT5/xVP8w0z5/gwG9OJ
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource join.exe
Files
-
join.exe.exe windows:4 windows x86 arch:x86
d49fa609fd00a6eb5a8eceb3602c5dde
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
msys-1.0
__assert
__errno
__main
_ctype_
abort
atexit
calloc
close
cygwin_conv_to_posix_path
cygwin_internal
dll_crt0__FP11per_process
exit
fclose
fcntl
fdopen
fflush
fileno
fopen
fputs
free
fwrite
getc
getenv
malloc
memchr
memcpy
memset
putc
realloc
setlocale
strchr
strcmp
strcoll
strdup
strerror
strlen
strncmp
strpbrk
strtoul
vsnprintf
msys-intl-8
__printf__
libintl_bindtextdomain
libintl_fprintf
libintl_gettext
libintl_textdomain
libintl_vfprintf
kernel32
GetModuleFileNameA
GetModuleHandleA
GetStdHandle
VirtualProtect
VirtualQuery
WriteFile
Sections
.text Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data_cy Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 684B
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