Nezur_External[.]zip

Resubmissions

22/07/2024, 03:41

240722-d8vknaydkk 7

22/07/2024, 03:38

240722-d7g8yawbmc 7

22/07/2024, 03:37

240722-d6v4eaycrk 7

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General

Target

Nezur_External.zip
Size

12.3MB
MD5

4110055129e5633961c09fc89f10a1d7
SHA1

b744852d7f735e90958e4fb914e214bb5c35e3d5
SHA256

b2c350c2b18d314ae68410b73453f1602b9e2033b26e30b702c8a3ea978dbf70
SHA512

48978ec91c701f312e5aca06e2848d435f78742c234e4dae4c169dbc8abc3982737914e51c657da71073693e9aeddb5cfacfc48549069d24b0b4341dd4f5c57d
SSDEEP

393216:JHT1LwN/0AzI+HppJ0hr1KAnck8pPq+cYgOJO:JHTaNfzI+Hp3c1/crZgf

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

54e14d20bfbc032cac5bfea98ac8ee38

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

WaitForMultipleObjects
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

GetCapture

gdi32

CreateSolidBrush

advapi32

CryptReleaseContext

shell32

ShellExecuteW

msvcp140

?_Syserror_map@std@@YAPEBDH@Z

ntdll

RtlCaptureContext

imm32

ImmSetCompositionWindow

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: 1.3MB

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: 7.8MB

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: 13.5MB - Virtual size: 13.5MB

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

54e14d20bfbc032cac5bfea98ac8ee38

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: 7.8MB

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

.themida Size: 13.5MB - Virtual size: 13.5MB

.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: 7.8MB

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

.themida
Size: 13.5MB - Virtual size: 13.5MB

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