N[.]zip | Triage

Sharing

General

Target

N.zip
Size

332KB
MD5

d38e1625ff4544cf0e07b33de9b9e950
SHA1

c882caaa6e2a961a214c6b4f8c4ea2253722ca8d
SHA256

6d3cddd9eb85537d7738194faeb6677d786d34433bb4e4090faf4bebbf975232
SHA512

b34979d8cb7011833de8b9e828411ae09a7ac917f8ceca8ecf095fa999004ae2b955b351958e1e7d6d2c1435fe53d4e73d6f7a8f418988ad8b499527c5e25337
SSDEEP

6144:L1u6kDHADVXGPbchIphKenbVJ4r9b/+3F42GuNudmlBypm0ZWRbfYP:4Ws4hI7Kvrp/yGiucShWMP

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

N.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: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 578B

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: 314KB - Virtual size: 314KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE