Behavioral task
behavioral1
Sample
obs (1).exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
obs (1).exe
Resource
win10v2004-20240226-en
General
-
Target
obs (1).exe
-
Size
9.5MB
-
MD5
b5522b73e4fef4b52d9f4d42be8c3536
-
SHA1
e36f009762065249896f8f295868e35520f840a7
-
SHA256
8e4a939e32974dc3aaa194b1606d17c06e7d584685ce74dc540fdde823b1fd66
-
SHA512
b3a08b59571ef8a38320556875128ea45a5290c96d5207a577f9fa7d7683b2ae657a47197404eb86f57125c2838824f4b5127311e9496f894c470dfdc63d6bfc
-
SSDEEP
196608:ghhvo9fPNw0pvYvxL/35FmmxvUIlh/3YnSyIiFjZt0/8k:g+fjyL/5Fmm9lhQDIeVtdk
Malware Config
Signatures
-
resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource obs (1).exe
Files
-
obs (1).exe.exe windows:6 windows x64 arch:x64
fd9bcf71e3dbd7a3f3cd623da6710658
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
ReleaseSRWLockExclusive
FlsSetValue
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
PostMessageA
GetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW
msvcp140
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
ntdll
NtQuerySystemInformation
imm32
ImmGetContext
d3dcompiler_43
D3DCompile
dwmapi
DwmExtendFrameIntoClientArea
d3dx11_43
D3DX11CreateShaderResourceViewFromMemory
d3d11
D3D11CreateDeviceAndSwapChain
normaliz
IdnToAscii
wldap32
ord35
crypt32
CertOpenStore
ws2_32
closesocket
rpcrt4
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140
__current_exception_context
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
api-ms-win-crt-string-l1-1-0
_stricmp
api-ms-win-crt-heap-l1-1-0
malloc
api-ms-win-crt-stdio-l1-1-0
ungetc
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-math-l1-1-0
_dclass
api-ms-win-crt-convert-l1-1-0
atof
api-ms-win-crt-filesystem-l1-1-0
_fstat64
api-ms-win-crt-locale-l1-1-0
localeconv
api-ms-win-crt-time-l1-1-0
_gmtime64
advapi32
CryptDestroyHash
shell32
ShellExecuteA
wtsapi32
WTSSendMessageW
Sections
.text Size: - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 184KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 4.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.SPN Size: - Virtual size: 1B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
_RDATA Size: - Virtual size: 464B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 3.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 9.5MB - Virtual size: 9.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 236B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ