Nezur_External[.]zip

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General

Target

Nezur_External.zip
Size

13.3MB
MD5

15d125fd8df5c9c84241372137280f04
SHA1

3a27983e3cb36662761a2c9f0051a32b332bb6d2
SHA256

1650490f6cc5e87cf0bcceea46091153ee85af86db0b5df5bd999acc88d78ca8
SHA512

d0cce686be8ff1edc894aaf64eb157dcaa872d3cdce6b30624fa323709e97c18b00d016b70444a1a342486cb656f9f4366b7509327f6cf8ace03e6856ac4cd09
SSDEEP

393216:QeOFyOGUZUvA1t/+91z3aaz8DrQXjZDQpy5By6WP6:QeFMZUGt/+zWauajSy5ByN6

Score

7^/10

themida

Malware Config

Signatures

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
static1/unpack001/Nezur.exe	themida

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Nezur.exe

Files

Nezur_External.zip
.zip
Nezur.exe
.exe windows:6 windows x64 arch:x64

7efe1f4e74660c3832d8943f85358521

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

d3d11

D3D11CreateDeviceAndSwapChain

d3dcompiler_43

D3DCompile

kernel32

GetFileType
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

ClientToScreen

gdi32

CreateSolidBrush

advapi32

CryptDestroyKey

shell32

ShellExecuteW

msvcp140

?_Syserror_map@std@@YAPEBDH@Z

ntdll

RtlCaptureContext

imm32

ImmReleaseContext

dwmapi

DwmExtendFrameIntoClientArea

normaliz

IdnToAscii

wldap32

ord79

crypt32

CertFreeCertificateChainEngine

ws2_32

ntohl

shlwapi

PathFindFileNameW

rpcrt4

UuidCreate

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_destroy

api-ms-win-crt-runtime-l1-1-0

_beginthreadex

api-ms-win-crt-stdio-l1-1-0

_read

api-ms-win-crt-heap-l1-1-0

realloc

api-ms-win-crt-filesystem-l1-1-0

_lock_file

api-ms-win-crt-convert-l1-1-0

atof

api-ms-win-crt-utility-l1-1-0

qsort

api-ms-win-crt-string-l1-1-0

strcmp

api-ms-win-crt-time-l1-1-0

strftime

api-ms-win-crt-math-l1-1-0

powf

api-ms-win-crt-locale-l1-1-0

localeconv

api-ms-win-crt-environment-l1-1-0

getenv

Sections

.text
Size: - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 220KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.themida
Size: - Virtual size: 8.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.themida
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.themida
Size: 14.6MB - Virtual size: 14.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 176KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7efe1f4e74660c3832d8943f85358521

Headers

DLL Characteristics

File Characteristics

Imports

d3d11

d3dcompiler_43

kernel32

user32

gdi32

advapi32

shell32

msvcp140

ntdll

imm32

dwmapi

normaliz

wldap32

crypt32

ws2_32

shlwapi

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-environment-l1-1-0

Sections

.text Size: - Virtual size: 1.4MB

.rdata Size: - Virtual size: 220KB

.data Size: - Virtual size: 1.3MB

.pdata Size: - Virtual size: 39KB

.themida Size: - Virtual size: 8.4MB

.themida Size: 6KB - Virtual size: 5KB

.themida Size: 14.6MB - Virtual size: 14.6MB

.rsrc Size: 176KB - Virtual size: 176KB

.text
Size: - Virtual size: 1.4MB

.rdata
Size: - Virtual size: 220KB

.data
Size: - Virtual size: 1.3MB

.pdata
Size: - Virtual size: 39KB

.themida
Size: - Virtual size: 8.4MB

.themida
Size: 6KB - Virtual size: 5KB

.themida
Size: 14.6MB - Virtual size: 14.6MB

.rsrc
Size: 176KB - Virtual size: 176KB