BIGBOSS[.]exe | Triage

Sharing

General

Target

BIGBOSS.exe
Size

36.6MB
MD5

19773de3aada9bebac1c8a284059e0a5
SHA1

482dcb8326ab158a0b054516cede9d80119dca7b
SHA256

4400ba385c37b8c0ec3c63463794c2a335fe8823a0a43a910ae6400337371217
SHA512

829ee42d011ca1064a272fc626540b5ddf115d1e59e8e107b185def9ced215b96ce3018c7ff4a8a6c30893e313c64e1df58e7771e1d2f868fcfa61c7ecd56346
SSDEEP

786432:w5iyxGxoo4kxSjEN0CgFjaj2G8NkzJD4pSbN+WYbO7fqffK:w01xoLvCgxayG8NkzJDaSbN+WY8qffK

Score

7^/10

themida

Malware Config

Signatures

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

resource	yara_rule
sample	themida

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BIGBOSS.exe

Files

BIGBOSS.exe
.exe windows:4 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

Size: 24.7MB - Virtual size: 24.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 11KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.idata
Size: 512B - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.themida
Size: - Virtual size: 16.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boot
Size: 11.8MB - Virtual size: 11.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ