mAtJWNv[.]exe | Triage

Sharing

General

Target

mAtJWNv.exe
Size

350KB
MD5

b60779fb424958088a559fdfd6f535c2
SHA1

bcea427b20d2f55c6372772668c1d6818c7328c9
SHA256

098c4fe0de1df5b46cf4c825e8eba1893138c751968fcf9fe009a6991e9b1221
SHA512

c17a7781790326579669c2b9ad6f7f9764cf51f44ad11642d268b077ade186563ae53fc5e6e84eb7f563021db00bef9ebd65a8d3fbe7a73e85f70a4caa7d8a7f
SSDEEP

6144:eB2ofI2u6ukzPZnu3eb+JZAZBefgAvVGfvu5fp4Dcl/OMeNfsrjDM:eB2of9uNKPZnu3eqJS+fg4Q+5f2olRen

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
sample	net_reactor

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mAtJWNv.exe

Files

mAtJWNv.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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 201KB - Virtual size: 200KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 16B

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

.css
Size: 147KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE