tofsee | 18954491000[.]zip

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General

Target

18954491000.zip
Size

123KB
MD5

43728e6202b0927bd2602752361c7e28
SHA1

9b82e1014407ce5ddbf8ba836112aeeb05e87d93
SHA256

74f055ccb9d657d623b62d41f22317c883d22e2cf4496b54d0d6ba5d1358d426
SHA512

c1838e650b78cb21a3426ee01f1f96df70e2b5832ed6b32429afff0485c6832c0f7085cde4df4f4c81297789d7805b55a8550f6f9aa0541762c57fb4c3ea7e7c
SSDEEP

3072:xCwN+NDnpUvjV7oKo7z3qDTCoOrDGCm46US:wrNDpUrVXo7z++Qd/US

Score

10^/10

tofsee

Malware Config

Extracted

Family

tofsee

vanaheim.cn

jotunheim.name

Signatures

Tofsee family
tofsee

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
unpack001/50755e3eb1a407ef762cf957b272b483b314e911712c9e177b377efc8b1b5ea8

Files

18954491000.zip
.zip

Password: infected
50755e3eb1a407ef762cf957b272b483b314e911712c9e177b377efc8b1b5ea8
.exe windows:5 windows x86 arch:x86

0bdef4d92a94790d7d279561a490c5bb

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

ws2_32

ioctlsocket
__WSAFDIsSet
WSAStartup
send
connect
setsockopt
bind
listen
accept
getsockname
htonl
gethostname
socket
select
recv
ntohs
htons
sendto
gethostbyaddr
inet_ntoa
gethostbyname
inet_addr
getpeername
closesocket

dbghelp

StackWalk64

kernel32

GetVolumeInformationA
GetComputerNameA
GetTickCount
GetCurrentProcess
GetModuleHandleA
GetSystemInfo
GetVersionExA
lstrcmpiA
lstrlenA
Sleep
lstrcpynA
InterlockedExchange
GetCurrentThreadId
ExitProcess
GetOverlappedResult
WaitForSingleObject
GetLastError
WriteFile
ReadFile
CreateFileA
DisconnectNamedPipe
ConnectNamedPipe
CreateNamedPipeA
CloseHandle
LoadLibraryA
GetEnvironmentVariableA
DeleteFileA
IsBadWritePtr
IsBadCodePtr
lstrcpyA
lstrcmpA
VirtualProtect
IsBadReadPtr
VirtualFree
WriteProcessMemory
VirtualAllocEx
VirtualAlloc
SetFilePointer
GetFileSize
SetFileAttributesA
GetDiskFreeSpaceA
GetWindowsDirectoryA
GetProcAddress
LocalFree
GetFileAttributesExA
LocalAlloc
CreateProcessA
GetTempPathA
SystemTimeToFileTime
GetSystemTime
DeviceIoControl
CreateFileW
GetModuleFileNameA
ResumeThread
SetThreadContext
TerminateProcess
GetThreadContext
lstrcatA
CreateThread
GetDriveTypeA
GetCommandLineA
SetUnhandledExceptionFilter
SetErrorMode
InterlockedIncrement
GetLocalTime
GetTimeZoneInformation
FileTimeToLocalFileTime
FileTimeToSystemTime
InterlockedDecrement
HeapSize
GetSystemTimeAsFileTime
MultiByteToWideChar
lstrlenW
GetStartupInfoW
GetProcessHeap
HeapAlloc
HeapReAlloc
HeapFree
FreeLibrary
CreateEventA
GetSystemDirectoryA

user32

wsprintfA
CharToOemA

advapi32

ConvertSidToStringSidA
AllocateAndInitializeSid
CreateProcessWithLogonW
RegCreateKeyExA
StartServiceCtrlDispatcherA
RegisterServiceCtrlHandlerA
SetServiceStatus
RegDeleteValueA
RegGetKeySecurity
RegSetKeySecurity
RegSetValueExA
GetLengthSid
GetFileSecurityA
GetSecurityDescriptorOwner
EqualSid
InitializeSecurityDescriptor
SetSecurityDescriptorOwner
SetFileSecurityA
GetSecurityDescriptorDacl
GetAce
DeleteAce
SetSecurityDescriptorDacl
RegQueryValueExA
RegEnumKeyA
RegOpenKeyExA
RegEnumValueA
GetUserNameW
LookupAccountNameW
LookupAccountNameA
GetUserNameA
RegCloseKey
CheckTokenMembership
FreeSid

shell32

ShellExecuteA
ShellExecuteExW

oleaut32

SysAllocStringByteLen

Sections

.text
Size: 57KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 512B - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 13.1MB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

Password: infected

0bdef4d92a94790d7d279561a490c5bb

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

dbghelp

kernel32

user32

advapi32

shell32

oleaut32

Sections

.text Size: 57KB - Virtual size: 60KB

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

.data Size: 512B - Virtual size: 8KB

.reloc Size: 13.1MB - Virtual size: 3KB

.text
Size: 57KB - Virtual size: 60KB

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

.data
Size: 512B - Virtual size: 8KB

.reloc
Size: 13.1MB - Virtual size: 3KB