Obs[.]rar | Triage

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General

Target

Obs.rar
Size

1.0MB
MD5

3e2039346ec63e34ec675f8ed9a40bfa
SHA1

ce999fe1c50396c1dc636d8430eb604613b5cb07
SHA256

4f94021c87d7ce1b4f513cd1810d2109152eead299e3b089ac88b279a692017c
SHA512

17f0afb0ce8f61cb28f00d8368b030f01ac20d8a8cbf38d6963d196ba7fc5d6e11b1c3e7809123e8c9f0a84d346827564949cd8c611853ad4067d5ab4e267bc7
SSDEEP

24576:2ZmB+AXS5eHwVvKEg3DEycNYfwRUCL1tiU8a2catcHh0yMLQ7B:smJXQLvKEODEyBwRTL1tZX2cnHhHB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Obs.exe

Files

Obs.rar
.rar
Obs.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorExeMain

Sections

bQx1
Size: 91KB - Virtual size: 91KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

bQx1
Size: 91KB - Virtual size: 91KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

XvlbjouL
Size: 512B - Virtual size: 10B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Code Enc
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.Xerin
Size: 512B - Virtual size: 141B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ