Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win11-20240802-en
General
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Target
Nezur.exe
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Size
13.6MB
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MD5
de4304b672f3a76cdb7f64888116b2db
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SHA1
741a762deea3aeb3b5180250dd92a9ad895a4054
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SHA256
9ab764a239cfc2816140352fddaa6dc1e3419b61851089c16274e74c2a26ff56
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SHA512
37363e343227452aa1bf3ccd11040213a4b4e4c74e28c00dd9a246231b8e4f8cd58a15d209bad39edb4a91342a72c9f825f484ad46e626146b1cb7a84d7f09f3
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SSDEEP
196608:+7WRWCqxIe8xLQ1U/ZPuQneUA5BZ4jxFHVJ19NgY5ojAwyQXeUDkCu6ccKIq:+71/xNeGUBPuJTGjNr5ojNHbe
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
f8929d656d097f6eff01036f6ce90118
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
IsWindowUnicode
gdi32
CreateSolidBrush
advapi32
CryptEncrypt
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
CertCloseStore
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
exit
api-ms-win-crt-stdio-l1-1-0
_read
api-ms-win-crt-heap-l1-1-0
_callnewh
api-ms-win-crt-filesystem-l1-1-0
_unlock_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
strncmp
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-math-l1-1-0
fmodf
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
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: 7.7MB
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: 13.4MB - Virtual size: 13.4MB
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