Nexol[.]zip | Triage

Sharing

General

Target

Nexol.zip
Size

363KB
MD5

a3191414fe7f2113b05ce279ed66ac93
SHA1

6723409a245ddcfd12bd52164809aee52a046e2f
SHA256

7068348e72d1c5fc809cbe89f2be6a51459e8861c99dff71b18dbc7cde35c2ee
SHA512

4ed196bc80aa51c325d98a7e3c926e4dc2e5abe834994f75efe78f3fda6d6b46822d19ffd1fb24233ec2f4c5e560e8dc2d68188fa7e70869ed9646ee5045e1ce
SSDEEP

6144:s6Bl+AZSVH2eCMRdbwY/6U93uZEqRZyQmj3khxPb61yV4MW8guHOmvOX7LRiTNE:1XBCnVRdsYP1uZOAbW84kguHLORia

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
static1/unpack001/Nexol.exe	net_reactor

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Nexol.exe

Files

Nexol.zip
.zip
Nexol.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: 76KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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

.bss
Size: 320KB - Virtual size: 320KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE