458d1dff677f081c4202e113a900146b

Sharing

Copy URL Twitter E-mail

General

Target

458d1dff677f081c4202e113a900146b
Size

7.7MB
MD5

458d1dff677f081c4202e113a900146b
SHA1

60e237e2a3f6a9ff092d490ffb25b25464898034
SHA256

c672575a466ccefbfa5237321239e423bef6f91958ce5cbdcead2fc69bb7abc7
SHA512

101d846d52032f86712aa336eefb9d125cc13d210d32301befb889c698908ca9309f1e89ab7c482c7dba3f1b99f78b4f0faca01ca2efd4300edce94a75e0036f
SSDEEP

196608:hgXgeKR6D+M6C9jfsG1dN/1mVYQLdK9tQxIj8iFZZyq:hgXgeD+J4sG1dMLdK9tQxIIi/Zn

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/Kg-CORE/CORE10k.EXE	upx
static1/unpack001/Kg-CORE/cr-bfb26.exe	upx

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Kg-CORE/CORE10k.EXE
unpack001/Kg-CORE/cr-bfb26.exe
unpack003/out.upx

Files

458d1dff677f081c4202e113a900146b
.zip
Kg-CORE/CORE.NFO
Kg-CORE/CORE10k.EXE
.exe windows:4 windows x86 arch:x86

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

Sections

UPX0
Size: - Virtual size: 13.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 129KB - Virtual size: 132KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Kg-CORE/cr-bfb26.exe
.exe windows:4 windows x86 arch:x86

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

Sections

UPX0
Size: - Virtual size: 444KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 126KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

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

Sections

.text
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 394KB - Virtual size: 394KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Kg-CORE/file_id.diz
bbflbk2.exe
.exe windows:4 windows x86 arch:x86

2504766638fe11b4c0e06283c1d3235c

Code Sign

db:c6:96:bc:6b:f5:a8:c7:03:dd:05:ea:e2:87:e5:6e
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

23/03/2009, 00:00

Not After

23/03/2010, 23:59

Subject

CN=Blueberry Software Ltd,O=Blueberry Software Ltd,POSTALCODE=CV32 5QL,STREET=5 Clarendon Place\,,L=Leamington Spa,ST=West Midlands,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

da:d9:9c:56:e7:bc:e9:1d:92:a8:5a:fa:7c:a8:c1:3b:9f:97:58:85
Signer

Actual PE Digest

da:d9:9c:56:e7:bc:e9:1d:92:a8:5a:fa:7c:a8:c1:3b:9f:97:58:85

Digest Algorithm

sha1

PE Digest Matches

true

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

comctl32

ord17

kernel32

InitializeCriticalSection
DeleteCriticalSection
CloseHandle
CreateThread
WaitForSingleObject
SetEvent
ResetEvent
WaitForMultipleObjects
CompareStringA
GetLastError
WideCharToMultiByte
MultiByteToWideChar
CompareStringW
lstrlenA
LoadLibraryA
AreFileApisANSI
GetModuleFileNameA
GetModuleFileNameW
FormatMessageA
LocalFree
FormatMessageW
SetFileAttributesA
RemoveDirectoryA
SetCurrentDirectoryA
GetWindowsDirectoryA
SetFileAttributesW
RemoveDirectoryW
CreateDirectoryA
CreateDirectoryW
DeleteFileA
DeleteFileW
GetShortPathNameW
GetShortPathNameA
GetFullPathNameA
GetFullPathNameW
GetCurrentDirectoryA
GetTempPathA
GetTempFileNameA
FindClose
FindFirstFileA
SetLastError
FindFirstFileW
FindNextFileA
CreateFileA
CreateFileW
GetFileSize
SetFilePointer
ReadFile
SetFileTime
WriteFile
SetEndOfFile
CreateEventA
EnterCriticalSection
LeaveCriticalSection
Sleep
GetCommandLineW
CreateProcessA
GetExitCodeProcess
IsBadReadPtr
SetUnhandledExceptionFilter
RaiseException
GetSystemInfo
VirtualProtect
GetLocaleInfoA
IsBadCodePtr
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
GetSystemTimeAsFileTime
GetCurrentProcessId
GetTickCount
QueryPerformanceCounter
GetCPInfo
GetOEMCP
GetACP
VirtualQuery
InterlockedExchange
RtlUnwind
IsBadWritePtr
VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
TlsGetValue
TlsSetValue
TlsFree
GetCurrentThreadId
TlsAlloc
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetStdHandle
HeapSize
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersionExA
HeapFree
HeapAlloc
HeapReAlloc
ExitProcess
GetProcAddress
TerminateProcess
GetCurrentProcess

user32

PostMessageA
ShowWindow
DestroyWindow
KillTimer
SetTimer
SetDlgItemTextA
EndDialog
IsDlgButtonChecked
GetDlgItem
MessageBoxW
DialogBoxParamA
GetDesktopWindow
SetForegroundWindow
GetWindowLongA
SetWindowLongA
SetWindowTextW
GetWindowTextA
GetWindowTextLengthA
SetWindowTextA
SendMessageA
LoadStringW
LoadStringA
CharPrevA

oleaut32

VariantClear
SysAllocString
SysFreeString

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 105KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 13.0MB

UPX1 Size: 129KB - Virtual size: 132KB

.rsrc Size: 4KB - Virtual size: 8KB

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 444KB

UPX1 Size: 126KB - Virtual size: 128KB

.rsrc Size: 3KB - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 56KB - Virtual size: 55KB

.rdata Size: 1KB - Virtual size: 1KB

.data Size: 25KB - Virtual size: 106KB

.rsrc Size: 394KB - Virtual size: 394KB

2504766638fe11b4c0e06283c1d3235c

Code Sign

db:c6:96:bc:6b:f5:a8:c7:03:dd:05:ea:e2:87:e5:6eCertificate

Extended Key Usages

Key Usages

da:d9:9c:56:e7:bc:e9:1d:92:a8:5a:fa:7c:a8:c1:3b:9f:97:58:85Signer

Headers

File Characteristics

Imports

comctl32

kernel32

user32

oleaut32

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 20KB - Virtual size: 19KB

.data Size: 3KB - Virtual size: 26KB

.rsrc Size: 105KB - Virtual size: 104KB

UPX0
Size: - Virtual size: 13.0MB

UPX1
Size: 129KB - Virtual size: 132KB

.rsrc
Size: 4KB - Virtual size: 8KB

UPX0
Size: - Virtual size: 444KB

UPX1
Size: 126KB - Virtual size: 128KB

.rsrc
Size: 3KB - Virtual size: 4KB

.text
Size: 56KB - Virtual size: 55KB

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 25KB - Virtual size: 106KB

.rsrc
Size: 394KB - Virtual size: 394KB

db:c6:96:bc:6b:f5:a8:c7:03:dd:05:ea:e2:87:e5:6e
Certificate

da:d9:9c:56:e7:bc:e9:1d:92:a8:5a:fa:7c:a8:c1:3b:9f:97:58:85
Signer

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 20KB - Virtual size: 19KB

.data
Size: 3KB - Virtual size: 26KB

.rsrc
Size: 105KB - Virtual size: 104KB