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Behavioral task
behavioral1
Sample
Klaver.win.exe
Resource
win7-20230712-en
General
-
Target
Klaver.win.exe
-
Size
16.6MB
-
MD5
06c6293f781dcfdf2ff8bbe5abfb1165
-
SHA1
9ab46329c0dbb3cebcf9c0dbea8c3a7c4f11b53c
-
SHA256
14de8ffd36d88a434096d9ec258d45a38c2b81e1f286e1b4697f2de132368784
-
SHA512
5089538f980dc0c579b8e6f9580df5eedde67ae8146f9e8e5b8ceeaf6f0333904bd9e4d3df9f7dc8bc846ef4b6e023fabfd58240ee74fc1924007e4ea9bd8954
-
SSDEEP
393216:A5Z/vpzpvizaaK4mQDX6GzQiwjYw8Yn3R6d:eZnp14aavX6Grw8w8838
Malware Config
Signatures
-
resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Klaver.win.exe
Files
-
Klaver.win.exe.exe windows x64
ce89cafacedefce0926fa752e8f68289
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
ws2_32
connect
wldap32
ord46
crypt32
CertFreeCertificateChainEngine
advapi32
CryptHashData
urlmon
URLDownloadToFileA
kernel32
RtlPcToFileHeader
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
MessageBoxA
GetUserObjectInformationW
GetProcessWindowStation
GetUserObjectInformationW
gdi32
GetDIBits
shell32
ShellExecuteA
wininet
InternetReadFile
winmm
PlaySoundA
bcrypt
BCryptGenRandom
userenv
UnloadUserProfile
rpcrt4
UuidCreate
wtsapi32
WTSSendMessageW
Exports
Exports
Sections
.text Size: - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 806KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 10.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 103KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 16.6MB - Virtual size: 16.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ