ByfronBypass[.]exe | Triage

Resubmissions

28/02/2024, 15:35

240228-s1aylsfa38 8

28/02/2024, 15:23

240228-ssr7xseg25 8

Sharing

General

Target

ByfronBypass.exe
Size

5.0MB
MD5

c053c5b99266472e0574d09d9b98a832
SHA1

82a820c9cc1a70a53845c606f96a6a777d5e2779
SHA256

8e87314189860209d6b43ee0d58cfd1ceadbd1b0b14de4fc4bdba47f092c0566
SHA512

15f849288370939f495f326553c47d707deea34370cfad78e5bc566265e8181e7ab39010d9f1f1e4016b762bb387ef21bfa7cb726f069a1c9d31e60ef64845dd
SSDEEP

98304:2WIOUP5BKyJjg10qCGwX4cuDaxMaJ6CwfeC/j/ICYJ/DCL/Nz:20UBBBJjguVGwp8OMakx/EH9DCLlz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ByfronBypass.exe

Files

ByfronBypass.exe
.exe .ps1 windows:4 windows x86 arch:x86 polyglot

a9c887a4f18a3fede2cc29ceea138ed3

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

msvcrt

malloc
memset
strcmp
strcpy
getenv
sprintf
fopen
fwrite
fclose
__argc
__argv
_environ
_XcptFilter
__set_app_type
_controlfp
__getmainargs
exit

shell32

ShellExecuteA

kernel32

SetUnhandledExceptionFilter

Sections

.text
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 4B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 768B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ