thesigma[.]exe | Triage

Sharing

General

Target

thesigma.exe
Size

1.6MB
MD5

7689437063c4eb4aab919fd25de6702d
SHA1

36252a4df082fef51b2a1ab07f771e17860986d1
SHA256

440271ab4c5959d7679fe00e6b223bcb8401a869e72d464cde8f880ff62f58da
SHA512

13b874366ae7c25ba70f79cc3bd36af8668f3a0c750696c149a8cc15ee6cb850b002612ee519188910884b391b41667f1b072dac2d7a3a44a265f25201c22145
SSDEEP

24576:0IjFRSPYlrMKgc6bN5WV63pDWWb6ohTLzeUtfjldLNvyvI:1jDaYlrM/NhLfdLNMI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

thesigma.exe

Files

thesigma.exe
.exe windows:4 windows x86 arch:x86

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: 1.6MB - Virtual size: 1.6MB

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: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ