f8b3837b39a6787e153bd3331b0bac09db7862dc1abd96fa067257351a6f9ec1

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General

Target

f8b3837b39a6787e153bd3331b0bac09db7862dc1abd96fa067257351a6f9ec1
Size

138KB
MD5

e07e8fac2cb8ada120c5eb5a58e20367
SHA1

f45c748442c085e57a2d8965fa413047ab85a4d3
SHA256

f8b3837b39a6787e153bd3331b0bac09db7862dc1abd96fa067257351a6f9ec1
SHA512

3d1f048c75941e1106db98745b2556e5600c0d22ab02445713abb66e0278d5ed84db7b7761b687744c2936554d0c91cb6832c7dc2fb119f01291cf8ad3253b7e
SSDEEP

3072:X4+tS/upUbRN6gm1pMSW2l6JpRlDccttQ2T2IXaHlnm:oUyui4gm1pM50ssItQU2IXaHtm

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
sample	upx

Files

f8b3837b39a6787e153bd3331b0bac09db7862dc1abd96fa067257351a6f9ec1
.dll windows x86

f4e4bebb6a382160d2b4c19febc4ca05

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

msvcrt

strlen
atoi
strstr
wcsrchr
??2@YAPAXI@Z
??3@YAXPAX@Z
srand
rand
strtoul
strrchr
memset
memcpy
_except_handler3

shlwapi

SHDeleteKeyA
SHDeleteValueA
PathFileExistsA
SHSetValueA
SHGetValueA

ws2_32

gethostname
WSAResetEvent
inet_addr
htons
WSAEventSelect
shutdown
setsockopt
socket
closesocket
sendto
WSAStartup
WSACleanup
gethostbyname
WSACreateEvent
bind
WSARecvFrom
WSAGetLastError
inet_ntoa
send
htonl
connect

iphlpapi

GetAdaptersInfo

wintrust

WinVerifyTrust

mpr

WNetAddConnection2A
WNetOpenEnumA
WNetEnumResourceA
WNetCancelConnection2A
WNetCloseEnum

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

kernel32

GlobalFree
GetLocalTime
WinExec
MoveFileExA
GetLogicalDrives
GetFileAttributesA
CreateDirectoryA
RemoveDirectoryA
FindFirstFileA
GetLogicalDriveStringsA
FindClose
WaitForMultipleObjects
GetExitCodeProcess
TransactNamedPipe
GlobalAlloc
lstrcpynA
CreateFileMappingA
UnmapViewOfFile
MapViewOfFile
SetFileAttributesA
CopyFileA
GetExitCodeThread
FlushViewOfFile
ExitProcess
CreateFileA
GetFileSize
SetFilePointer
lstrlenA
VirtualQuery
SetEndOfFile
FreeLibrary
WaitForSingleObject
SetEvent
VirtualFree
WriteFile
Sleep
CreateEventA
ReadFile
GetSystemDirectoryA
ExitThread
MultiByteToWideChar
lstrcmpiA
GetProcAddress
VirtualAlloc
LoadLibraryA
OpenEventA
GetModuleFileNameA
GetModuleHandleA
CloseHandle
GetCurrentProcessId
GetTempPathA
DeleteFileA
lstrcpyA
FindResourceA
FreeResource
LoadResource
Process32First
GetSystemTimeAsFileTime
SetFileTime
GetDriveTypeA
SizeofResource
GetTickCount
CreateProcessA
lstrcatA
GetLastError
Process32Next
LockResource
DeviceIoControl
SetNamedPipeHandleState
LoadLibraryExA
CreateToolhelp32Snapshot
GetFileTime
GetVersionExA
LocalFree
WideCharToMultiByte
ConnectNamedPipe
TerminateThread
Thread32Next
DisconnectNamedPipe
FlushFileBuffers
CreateNamedPipeA
OpenThread
GetCurrentThreadId
GetCurrentProcess
OpenProcess
GetVolumeInformationA
TerminateProcess
lstrlenW
lstrcmpiW
VirtualProtect
lstrcpyW
CreateThread
FindNextFileA

user32

wsprintfA
PostMessageA
FindWindowA
wsprintfW

advapi32

DeleteService
RegCloseKey
CloseServiceHandle
OpenServiceW
RegSetValueExA
RegQueryValueExA
CreateServiceA
StartServiceA
RegCreateKeyExA
RegOpenKeyExA
QueryServiceStatus
OpenSCManagerA
ControlService
DuplicateTokenEx
CreateProcessAsUserA
AdjustTokenPrivileges
RegFlushKey
RegSaveKeyA
LookupPrivilegeValueA
RegRestoreKeyA
SetEntriesInAclA
OpenProcessToken
OpenServiceA
GetNamedSecurityInfoA
BuildExplicitAccessWithNameA
SetNamedSecurityInfoA
RegOpenKeyA

shell32

SHGetSpecialFolderPathA

Sections

.text
Size: 48KB - Virtual size: 48KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 12KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.UPX0
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.UPX1
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.aspack
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.adata
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

f4e4bebb6a382160d2b4c19febc4ca05

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

shlwapi

ws2_32

iphlpapi

wintrust

mpr

userenv

kernel32

user32

advapi32

shell32

Sections

.text Size: 48KB - Virtual size: 48KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 12KB - Virtual size: 16KB

.rsrc Size: 11KB - Virtual size: 12KB

.UPX0 Size: 4KB - Virtual size: 4KB

.UPX1 Size: 36KB - Virtual size: 36KB

.reloc Size: 4KB - Virtual size: 4KB

.aspack Size: 5KB - Virtual size: 8KB

.adata Size: - Virtual size: 4KB

.text
Size: 48KB - Virtual size: 48KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 12KB - Virtual size: 16KB

.rsrc
Size: 11KB - Virtual size: 12KB

.UPX0
Size: 4KB - Virtual size: 4KB

.UPX1
Size: 36KB - Virtual size: 36KB

.reloc
Size: 4KB - Virtual size: 4KB

.aspack
Size: 5KB - Virtual size: 8KB

.adata
Size: - Virtual size: 4KB