Static task
static1
Behavioral task
behavioral1
Sample
chown.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
chown.exe
Resource
win10v2004-20240426-en
General
-
Target
chown.exe
-
Size
42KB
-
MD5
db241e593026d8edd56c12004838d193
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SHA1
ac2780ae60433a3bcb7cad4c52dc95e4af23929e
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SHA256
19110f68f1cd7e718ed49161672087e8d549d601050ea30bf455fcce52561582
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SHA512
b2cb4699b1fd839d396c1afa83450fcc7b73b9d563e5260531fb43f1a83f8fecc98931246474237f7907c7962a5d9eb264d42e0a3dc26341addb001fcd72ecfa
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SSDEEP
768:ohO6/S8VnGwkcEs3uTUcRcYvwWU2HOVPhyqVaH:mrS2GjIcqSwaHO4
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource chown.exe
Files
-
chown.exe.exe windows:4 windows x86 arch:x86
c21e6bee1327dd5cc4a8c0eed80ba017
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
closedir
cygwin_conv_to_posix_path
cygwin_internal
dirfd
dll_crt0__FP11per_process
endgrent
endpwent
exit
fchdir
fchown
fclose
fcntl
fflush
fprintf
fputs
free
fstat
getenv
getgrgid
getgrnam
getpwnam
getpwuid
lchown
lstat
malloc
memcpy
memmove
memset
open
opendir
putc
qsort
readdir
realloc
setlocale
stat
strchr
strcmp
strcpy
strerror
strlen
strncmp
strrchr
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: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 6KB
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: 572B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE