petya_key[.]exe

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General

Target

petya_key.exe
Size

76KB
MD5

7d301ba376944a3e2ca31d4364a5a876
SHA1

7c1b6dbe3de9c6495ee9524db78524b035996f69
SHA256

368dff8cfb0f54941d5ebcdc41148f01d14137f8c7aade1a3c94824ecb9535ac
SHA512

274241590919749bc739c4b101b05c0c0d5becd058cbf8350afffcf2369a5eefc4078ac144e3ed8b6676a710cd53b17496d29b729ae7235bef27dbf8f6cadc54
SSDEEP

768:5gQU49CEBHSNrpqOQ5JHQZurQ6MAPxLBdzMd3xTrdDbYJcE4+zTmyQCzg28zlhqx:O9WBxQZ5sxFGN+sP/+SrU/ljcGwPc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
petya_key.exe

Files

petya_key.exe
.exe windows:6 windows x86 arch:x86

38d0aeb165e7270649b9647f1f9a77bc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

libcrypto-1_1

BN_mul
BN_add
BN_bn2bin
BN_num_bits
AES_ecb_encrypt
AES_set_decrypt_key
SHA512_Final
SHA512_Update
SHA512_Init
ECDH_compute_key
i2o_ECPublicKey
o2i_ECPublicKey
EC_KEY_set_conv_form
EC_KEY_set_public_key
EC_KEY_get0_public_key
EC_KEY_set_private_key
EC_KEY_get0_private_key
EC_KEY_get0_group
EC_KEY_free
EC_KEY_new_by_curve_name
EC_POINT_mul
EC_POINT_free
EC_POINT_new
BN_bin2bn
BN_clear_free
BN_new
BN_CTX_end
BN_CTX_start
BN_CTX_free
BN_CTX_new
CRYPTO_free
CRYPTO_malloc

kernel32

IsValidCodePage
SetEndOfFile
HeapSize
SetEnvironmentVariableA
CreateFileW
WriteConsoleW
HeapReAlloc
LoadLibraryW
OutputDebugStringW
LoadLibraryExW
GetFileAttributesExW
CreateProcessA
GetExitCodeProcess
WaitForSingleObject
LCMapStringEx
CompareStringEx
GetStringTypeW
GetConsoleCP
FlushFileBuffers
SetStdHandle
Sleep
GetModuleHandleW
TerminateProcess
GetCurrentProcess
ReadFile
HeapAlloc
GetCommandLineA
EncodePointer
DecodePointer
RaiseException
GetLastError
HeapFree
IsDebuggerPresent
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
CloseHandle
GetStdHandle
GetFileType
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
InitOnceExecuteOnce
GetStartupInfoW
RtlUnwind
SetFilePointer
SetFilePointerEx
MultiByteToWideChar
GetConsoleMode
ReadConsoleW
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
GetCPInfo
SetLastError
GetCurrentThreadId
ExitProcess
GetModuleHandleExW
GetProcAddress
AreFileApisANSI
WriteFile
GetModuleFileNameW
GetProcessHeap
GetModuleFileNameA
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetTickCount64
GetEnvironmentStringsW
FreeEnvironmentStringsW
WideCharToMultiByte
UnhandledExceptionFilter
SetUnhandledExceptionFilter
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree

Sections

.text
Size: 50KB - Virtual size: 50KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

38d0aeb165e7270649b9647f1f9a77bc

Headers

DLL Characteristics

File Characteristics

Imports

libcrypto-1_1

kernel32

Sections

.text Size: 50KB - Virtual size: 50KB

.rdata Size: 14KB - Virtual size: 13KB

.data Size: 4KB - Virtual size: 11KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 50KB - Virtual size: 50KB

.rdata
Size: 14KB - Virtual size: 13KB

.data
Size: 4KB - Virtual size: 11KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 6KB - Virtual size: 5KB