Static task
static1
Behavioral task
behavioral1
Sample
2024-03-12_7231e1b98bfd03414dde5c56db2a8c19_sierrabravo_wannacry.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-12_7231e1b98bfd03414dde5c56db2a8c19_sierrabravo_wannacry.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_7231e1b98bfd03414dde5c56db2a8c19_sierrabravo_wannacry
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Size
720KB
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MD5
7231e1b98bfd03414dde5c56db2a8c19
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SHA1
e1c3ceb6d40175370cb66d7cd5d27e20033eafd1
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SHA256
4f43ffc1e7af72db92e486e88c50fd270f34f8e3abc86b6648d3ea9f4772e23b
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SHA512
4dd08afdda779107cacd2064f7cd80cb024ecc5be0e9973ad3fe482923dced10004f1daba22409e1f52a71426884a04f34342dbb9be597a19624d4ddf1504b17
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SSDEEP
12288:sNnX1Bmb5RwBG4mxdB9He9DYfH8V6E63Sulx9DpI0gP4WYUuYm/M3kDu2olZKm62:sX1Bc5RFB9He9DYv8V6E6CuBpI0M4WYi
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-12_7231e1b98bfd03414dde5c56db2a8c19_sierrabravo_wannacry
Files
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2024-03-12_7231e1b98bfd03414dde5c56db2a8c19_sierrabravo_wannacry.exe windows:4 windows x86 arch:x86
c80a2354fd8e096ab6fd6b843b9a69f4
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
TerminateThread
WaitForSingleObject
GetCurrentThreadId
GetCurrentThread
GetTickCount
ExitProcess
WideCharToMultiByte
Sleep
GetLocalTime
GetProcAddress
GetLastError
LoadLibraryA
GetFileAttributesA
CopyFileA
CreateDirectoryA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
CreateProcessA
MoveFileExA
FindResourceA
LoadResource
LockResource
SizeofResource
CreateFileA
WriteFile
CloseHandle
MultiByteToWideChar
GetModuleFileNameA
GetModuleHandleA
GetStartupInfoA
advapi32
ControlService
StartServiceA
DeleteService
OpenSCManagerA
OpenServiceA
CloseServiceHandle
StartServiceCtrlDispatcherA
RegisterServiceCtrlHandlerA
ChangeServiceConfig2A
SetServiceStatus
CryptGenRandom
CryptAcquireContextA
CreateServiceA
ws2_32
send
recv
WSAGetLastError
ntohs
inet_addr
inet_ntoa
htons
socket
ioctlsocket
connect
select
WSAStartup
closesocket
netapi32
NetUserEnum
NetApiBufferFree
mpr
WNetCancelConnection2A
WNetAddConnection2A
msvcrt
_except_handler3
__set_app_type
__p__fmode
__p__commode
_controlfp
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_adjust_fdiv
_beginthreadex
_endthreadex
strncpy
sprintf
rand
_exit
srand
time
__CxxFrameHandler
printf
Sections
.text Size: 20KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 292KB - Virtual size: 291KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4.4MB - Virtual size: 4.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ