Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20240802-en
General
-
Target
Nezur.exe
-
Size
13.7MB
-
MD5
795f25f98422e16b04e8bf78d125efdc
-
SHA1
d1e249aecfb39190a266285bc54f59af8cd0af6b
-
SHA256
2cd7c0d66226b82a46df2764892fb17eaa81a90217ec4fa407a7eaacf79569fa
-
SHA512
3b1d29b9cfdd76b53ff32cebe66e00b337a3fca01803951970653b2fd2a0a1cc629ce0d986f204cabb84b1220583df2886413368f595dc2d8f27419ed6775038
-
SSDEEP
393216:bMdZzG8+0Qq6qR//3LYx/CdSqiW3zZm20HYtC:bGz1yjqlJoqjm2zs
Malware Config
Signatures
-
resource yara_rule sample themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Nezur.exe
Files
-
Nezur.exe.exe windows:6 windows x64 arch:x64
0dd54c6405a9c43415c7ea497967adfa
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
ReadFile
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
ClientToScreen
gdi32
CreateSolidBrush
advapi32
CryptDestroyKey
shell32
ShellExecuteW
msvcp140
?_Syserror_map@std@@YAPEBDH@Z
ntdll
RtlCaptureContext
imm32
ImmSetCandidateWindow
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
sqrt
api-ms-win-crt-locale-l1-1-0
localeconv
api-ms-win-crt-environment-l1-1-0
getenv
Sections
.text Size: - Virtual size: 1.4MB
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