Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20240802-en
General
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Target
Nezur.exe
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Size
15.0MB
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MD5
b06252a7c65822778ae33c974f0414da
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SHA1
35dc4e77f433ec0c21a4e5c2aa9e1d062bc75458
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SHA256
66d71098581533e988e005f6d2884065e138b6a249559ca5ba29ea9f2afdb72d
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SHA512
ed8c65329e6fa985e0f69069f0be429240d466b07384cbc1119b3c2bc52311e359de2287edddba7b83e8bd16ed3516959152be4e39c711086cc4b6d8ebc655ac
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SSDEEP
393216:uq43OHubtyD8VmNNoTiq2kBJ2LqiDR3+2TJcePdBCeK7:umRDMm2HoR9HPdBi
Malware Config
Signatures
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resource yara_rule sample themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Nezur.exe
Files
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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: 8.5MB
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: 14.8MB - Virtual size: 14.8MB
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