Behavioral task
behavioral1
Sample
Expensive.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Expensive.dll
Resource
win10v2004-20231127-en
General
-
Target
Expensive.dll
-
Size
6.3MB
-
MD5
5808a4648b6412df885afc8ed89a5506
-
SHA1
3e88eeedc30387658afa8313020b996f700f1b2f
-
SHA256
94fe6dbe945913d47923ff31b16180997a9273de2e2cd6fd76e6b06e228fb5b3
-
SHA512
6a38285a645577aacc2f32804c6a8e2b88f42eb495a8083c14d6bd422ccaa1a9e0bc8f4f715c2b8ec89354a4871239553f70c9794bf3b85a7535a8e636a51f15
-
SSDEEP
98304:ltvX9ZVfebgQkI8V9ux8YMMV8fE6lRCx/kNM1LFQfbuMtW8OdcbDHv3uHxDkWjK5:T9Hfeb259EMdlRkcuobusW8LuCNpX
Malware Config
Signatures
-
resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Expensive.dll
Files
-
Expensive.dll.dll windows:6 windows x64 arch:x64
500084f35532fdcbdfb79cc6b6f0a984
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
msvcp140
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
user32
GetCursorPos
GetUserObjectInformationW
GetProcessWindowStation
GetUserObjectInformationW
d3d11
D3D11CreateDeviceAndSwapChain
urlmon
URLDownloadToFileA
kernel32
SetUnhandledExceptionFilter
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
advapi32
GetUserNameA
wininet
InternetOpenUrlA
winmm
PlaySoundA
imm32
ImmSetCompositionWindow
d3dcompiler_47
D3DCompile
vcruntime140
memcpy
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_invalid_parameter_noinfo
api-ms-win-crt-time-l1-1-0
asctime
api-ms-win-crt-stdio-l1-1-0
fseek
api-ms-win-crt-heap-l1-1-0
free
api-ms-win-crt-string-l1-1-0
strncpy
api-ms-win-crt-filesystem-l1-1-0
remove
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-convert-l1-1-0
strtol
api-ms-win-crt-multibyte-l1-1-0
_mbsicmp
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
api-ms-win-crt-math-l1-1-0
acosf
wtsapi32
WTSSendMessageW
Sections
.text Size: - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 1.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 525KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.detourc Size: - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.detourd Size: - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: - Virtual size: 8KB
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: 6.3MB - Virtual size: 6.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 224B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ