Static task
static1
Behavioral task
behavioral1
Sample
egrep.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
egrep.exe
Resource
win10v2004-20240508-en
General
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Target
egrep.exe
-
Size
105KB
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MD5
1380867b1e7d72ec1065013b4bb56ea0
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SHA1
dcbe0c976470cdd5b1d0d831c4e11ef8fbd967a6
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SHA256
bc5896bfdf37382aa831a554e5e9752fd1d9e0c120e5ce2d235e5396969421f0
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SHA512
ec0f08aab9294db00a3884cc123e23ce0d10bc35cab25b8d7361b500b314c41d2230e98cbe1d6727b6fd0d8f68ee2814fc663b30d202fdffbb24e953d7802e88
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SSDEEP
1536:6g20XpZo5Gj/ZRVDgzMjlRPj6r3TZzsdGalxzJVrHFg//zf0n3aeQQ1tvw2Iq5Nr:6gBpXTZRj6DTsJl9JVrl6/zpFQvY65N
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource egrep.exe
Files
-
egrep.exe.exe windows:4 windows x86 arch:x86
6e9710d91a62917d18266525648bcab3
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-intl-8
__printf__
libintl_bindtextdomain
libintl_fprintf
libintl_gettext
libintl_textdomain
libintl_vfprintf
msys-1.0
__assert
__errno
__main
_ctype_
abort
atexit
atoi
calloc
close
closedir
cygwin_conv_to_posix_path
cygwin_internal
dll_crt0__FP11per_process
exit
fclose
fflush
fopen
fputc
fputs
fread
free
fwrite
getc
getenv
getpagesize
isatty
lseek
malloc
memchr
memcpy
memmove
memset
open
opendir
putc
read
readdir
realloc
setlocale
setmode
stat
strcasecmp
strchr
strcmp
strcpy
strerror
strlen
strncmp
vsnprintf
kernel32
GetModuleFileNameA
GetModuleHandleA
GetStdHandle
VirtualProtect
VirtualQuery
WriteFile
Sections
.text Size: 89KB - Virtual size: 89KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 11KB
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: 3KB
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