Nezur_External[.]zip

Resubmissions

19-08-2024 10:13

240819-l87h8a1gkp 7

19-08-2024 10:09

240819-l66h5s1fmm 7

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General

Target

Nezur_External.zip
Size

13.8MB
MD5

c91c5f4248cb89c6b6202e41abbc538f
SHA1

3290abcdbfb4e8a0062e2bb20660167e6f3eccdc
SHA256

ff0ab91f42417766aed64f270eb9ff347c361129ca3ed49ef096727c2f8552d6
SHA512

7e1473102c7c0415a846f8a9c24b5d279599aee0de92437017688115402729ec82c928384f205dbbf25de4516c6372fa5891ed6e0ad2d2324fc318049aef3a10
SSDEEP

393216:FH1F1psNaWfcDwIa4pIknmGlAFpDpnp/CQI95yxZ+7:FH1F1OEwIaNc1lIfnBS

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

bf04f968ce2d1cf82fc54df7639e3452

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

DefWindowProcA

gdi32

CreateSolidBrush

advapi32

CryptImportKey

shell32

ShellExecuteW

msvcp140

?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z

ntdll

RtlCaptureContext

imm32

ImmReleaseContext

dwmapi

DwmExtendFrameIntoClientArea

normaliz

IdnToAscii

wldap32

ord30

crypt32

CertGetCertificateChain

ws2_32

ntohl

shlwapi

PathFindFileNameW

rpcrt4

UuidCreate

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_terminate

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

system

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

fsetpos

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

_callnewh

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

_wremove

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

strtoll

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

qsort

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

isspace

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

_time64

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

sqrt

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

localeconv

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

getenv

Sections

.text
Size: - Virtual size: 1.3MB

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: 8.8MB

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: 15.3MB - Virtual size: 15.3MB

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

bf04f968ce2d1cf82fc54df7639e3452

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: 1.3MB

.rdata Size: - Virtual size: 220KB

.data Size: - Virtual size: 1.3MB

.pdata Size: - Virtual size: 39KB

.themida Size: - Virtual size: 8.8MB

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

.themida Size: 15.3MB - Virtual size: 15.3MB

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

.text
Size: - Virtual size: 1.3MB

.rdata
Size: - Virtual size: 220KB

.data
Size: - Virtual size: 1.3MB

.pdata
Size: - Virtual size: 39KB

.themida
Size: - Virtual size: 8.8MB

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

.themida
Size: 15.3MB - Virtual size: 15.3MB

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