Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20240802-en
General
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Target
Nezur.exe
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Size
13.7MB
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MD5
bb3d62a805063c3dc12154340ec822fa
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SHA1
e1e446989d9da11c5488f17b2b89992662978b5f
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SHA256
ffb6091de15acd60330cb1baf581b0fab9a44317da42dbfebcbba78b298bf6d7
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SHA512
1cd2fd79fcba11218a0123ee9cd4072bc2b36931eef6c659ac130ad0995a5a9c94c4ba370e37163af67c6b6468f43cf55c14385e0659d03b73dff5e62477f04a
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SSDEEP
393216:0wl8Tdbl/XAXGQ0FyMe8LhofcjG2I0hjX8ha6yet8:0XTxlW0FyMe8LwcjGMjX8halM8
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
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: 1.3MB
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