Somoto[.]zip | Triage

Sharing

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General

Target

Somoto.zip
Size

130KB
MD5

3387f0112fa04d36c45a82ee0a5322db
SHA1

d7c4da148e0b61d39cd8b895b16f826f4e9aa398
SHA256

8ec1c71e228993cfabc0a084c47e3c5ea63e0f8a74f5dc46eaa2e0a2717b4c22
SHA512

c84cea43f9d7f67fc6374bdaa47e31e6377563037e083f0a1be1a4f9f686847c1e7dac2f520e7e2af9d485bdc12b2ad120c62fe2ded94713160514992667b480
SSDEEP

3072:2bBpr6RjkNdy2z3qR4m2AFt5ptjcsYfHNWhcY4iJRMVx2MuLSqqRO3jn3EGzd0:2NIRm78zVFtRlitWhcjiknVueqoO3bUF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/$TEMP/biclient.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
static1/unpack001/7ZipSetup.exe	nsis_installer_2

Files

Somoto.zip
.zip

Password: infected
7ZipSetup.exe
.exe windows:4 windows x86 arch:x86

28a099a911237a28521d8b7ea250f089

Code Sign

01
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

30/05/2000, 10:48

Not After

30/05/2020, 10:48

Subject

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07/06/2005, 08:09

Not After

30/05/2020, 10:48

Subject

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

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
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

24/08/2011, 00:00

Not After

30/05/2020, 10:48

Subject

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

84:1d:09:9d:16:b7:38:f3:41:72:fe:ef:e1:d2:57:4f
Certificate

Issuer

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

20/09/2011, 00:00

Not After

19/09/2014, 23:59

Subject

CN=Somoto Ltd.,O=Somoto Ltd.,POSTALCODE=61580,STREET=PO Box 58096,L=Tel Aviv,ST=--,C=IL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
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

10/05/2010, 00:00

Not After

10/05/2015, 23:59

Subject

CN=COMODO Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

38:b2:88:6f:44:0f:c8:21:6a:77:10:0f:13:a3:a6:28:e2:73:f4:f4
Signer

Actual PE Digest

38:b2:88:6f:44:0f:c8:21:6a:77:10:0f:13:a3:a6:28:e2:73:f4:f4

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegCreateKeyExA
RegDeleteKeyA
RegDeleteValueA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA

comctl32

ImageList_AddMasked
ImageList_Create
ImageList_Destroy
InitCommonControls

gdi32

CreateBrushIndirect
CreateFontIndirectA
DeleteObject
GetDeviceCaps
SelectObject
SetBkColor
SetBkMode
SetTextColor

kernel32

CloseHandle
CompareFileTime
CopyFileA
CreateDirectoryA
CreateFileA
CreateProcessA
CreateThread
DeleteFileA
ExitProcess
ExpandEnvironmentStringsA
FindClose
FindFirstFileA
FindNextFileA
FreeLibrary
GetCommandLineA
GetCurrentProcess
GetDiskFreeSpaceA
GetExitCodeProcess
GetFileAttributesA
GetFileSize
GetFullPathNameA
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetPrivateProfileStringA
GetProcAddress
GetShortPathNameA
GetSystemDirectoryA
GetTempFileNameA
GetTempPathA
GetTickCount
GetVersion
GetWindowsDirectoryA
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
LoadLibraryA
LoadLibraryExA
MoveFileA
MulDiv
MultiByteToWideChar
ReadFile
RemoveDirectoryA
SearchPathA
SetCurrentDirectoryA
SetErrorMode
SetFileAttributesA
SetFilePointer
SetFileTime
Sleep
WaitForSingleObject
WriteFile
WritePrivateProfileStringA
lstrcatA
lstrcmpA
lstrcmpiA
lstrcpynA
lstrlenA

ole32

CoCreateInstance
CoTaskMemFree
OleInitialize
OleUninitialize

shell32

SHBrowseForFolderA
SHFileOperationA
SHGetFileInfoA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
ShellExecuteA

user32

AppendMenuA
BeginPaint
CallWindowProcA
CharNextA
CharPrevA
CheckDlgButton
CloseClipboard
CreateDialogParamA
CreatePopupMenu
CreateWindowExA
DefWindowProcA
DestroyWindow
DialogBoxParamA
DispatchMessageA
DrawTextA
EmptyClipboard
EnableMenuItem
EnableWindow
EndDialog
EndPaint
ExitWindowsEx
FillRect
FindWindowExA
GetClassInfoA
GetClientRect
GetDC
GetDlgItem
GetDlgItemTextA
GetMessagePos
GetSysColor
GetSystemMenu
GetSystemMetrics
GetWindowLongA
GetWindowRect
InvalidateRect
IsWindow
IsWindowEnabled
IsWindowVisible
LoadBitmapA
LoadCursorA
LoadImageA
MessageBoxIndirectA
OpenClipboard
PeekMessageA
PostQuitMessage
RegisterClassA
ScreenToClient
SendMessageA
SendMessageTimeoutA
SetClassLongA
SetClipboardData
SetCursor
SetDlgItemTextA
SetForegroundWindow
SetTimer
SetWindowLongA
SetWindowPos
SetWindowTextA
ShowWindow
SystemParametersInfoA
TrackPopupMenu
wsprintfA

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

Sections

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 140B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 107KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: 1024B - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
$TEMP/biclient.exe
.exe windows:5 windows x86 arch:x86

e90e65bdaffec07040f15392a1f74d82

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

PDB Paths

d:\mTech\somoto\new_svn\BetterInstaller\BetterInstaller\Release\BetterInstaller.pdb

Imports

wininet

HttpQueryInfoW
InternetReadFile
InternetGetLastResponseInfoW
InternetSetFilePointer
InternetErrorDlg
InternetSetOptionW
InternetQueryOptionW
HttpAddRequestHeadersW
HttpOpenRequestW
InternetCloseHandle
InternetConnectW
InternetOpenW
InternetCrackUrlW
HttpSendRequestW

psapi

GetProcessMemoryInfo

iphlpapi

GetAdaptersInfo

kernel32

LockResource
LoadResource
lstrcmpW
MulDiv
GlobalUnlock
GlobalLock
FreeLibrary
SizeofResource
LoadLibraryExW
GlobalFree
GlobalHandle
InterlockedIncrement
InterlockedDecrement
SetEvent
GetCommandLineW
lstrcpyW
WriteFile
lstrcpynW
lstrcatW
GetTickCount
SuspendThread
ResumeThread
TerminateThread
GetTempFileNameW
GetTempPathW
DeleteFileW
SleepEx
CreateFileW
LoadLibraryW
ReadFile
WaitForMultipleObjects
GetExitCodeProcess
CreateProcessW
CopyFileW
GetFileAttributesW
IsWow64Process
GetSystemInfo
GetVersionExW
Process32NextW
OpenProcess
Process32FirstW
CreateToolhelp32Snapshot
GetCurrentDirectoryW
LocalFree
GetPrivateProfileStringW
GetCurrentThread
WideCharToMultiByte
HeapFree
GetProcessHeap
GetModuleHandleW
GetFileSize
FindNextFileW
FindFirstFileW
SetLastError
TlsFree
TlsSetValue
TlsAlloc
TlsGetValue
GetModuleFileNameA
GetStdHandle
MultiByteToWideChar
HeapCreate
GetStartupInfoW
VirtualQuery
VirtualProtect
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
RtlUnwind
HeapSize
HeapReAlloc
HeapDestroy
VirtualAlloc
VirtualFree
IsProcessorFeaturePresent
LoadLibraryA
InterlockedCompareExchange
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
GetLocaleInfoA
SetFilePointer
GetConsoleCP
GetConsoleMode
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetProcAddress
GetLastError
DeleteCriticalSection
InitializeCriticalSection
IsValidCodePage
LeaveCriticalSection
EnterCriticalSection
RaiseException
lstrlenW
GetCPInfo
lstrlenA
GetACP
GetOEMCP
SetStdHandle
FlushFileBuffers
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
CreateFileA
CreateEventW
CreateThread
Sleep
GetCurrentThreadId
GetModuleFileNameW
FindResourceW
GlobalAlloc
GetCurrentProcess
FlushInstructionCache
CloseHandle
WaitForSingleObject
ExitProcess
lstrcmpiW
HeapAlloc
FreeEnvironmentStringsW

user32

ReleaseCapture
GetClassNameW
IsChild
SetCapture
RedrawWindow
InvalidateRgn
InvalidateRect
ReleaseDC
GetDC
ScreenToClient
FillRect
SetWindowTextW
GetWindowTextW
GetWindowTextLengthW
RegisterWindowMessageW
CreateDialogIndirectParamW
wsprintfW
KillTimer
SetTimer
PostMessageW
WaitForInputIdle
GetSystemMenu
ShowWindow
LoadCursorW
MessageBoxW
SystemParametersInfoW
SetForegroundWindow
EnableMenuItem
UnregisterClassA
CallWindowProcW
EndPaint
BeginPaint
GetDesktopWindow
DestroyAcceleratorTable
SetFocus
GetFocus
IsWindow
ClientToScreen
GetClassInfoExW
GetSysColor
GetDlgItem
MoveWindow
SendMessageW
GetParent
GetWindowRect
MonitorFromWindow
GetMonitorInfoW
GetClientRect
MapWindowPoints
SetWindowContextHelpId
GetWindow
SendDlgItemMessageW
SetWindowPos
DestroyWindow
MapDialogRect
EndDialog
DefWindowProcW
UnregisterClassW
CreateWindowExW
GetWindowLongW
SetWindowLongW
PostThreadMessageW
GetMessageW
TranslateMessage
DispatchMessageW
CharUpperW
CharNextW
LoadIconW
CreateAcceleratorTableW
RegisterClassExW
PostQuitMessage

gdi32

GetObjectW
CreateSolidBrush
GetDeviceCaps
BitBlt
CreateCompatibleDC
CreateCompatibleBitmap
SelectObject
DeleteObject
DeleteDC
GetStockObject

comdlg32

GetSaveFileNameW

advapi32

CryptDestroyKey
CryptSetKeyParam
CryptReleaseContext
CryptAcquireContextW
CryptEncrypt
CryptDecrypt
RegDeleteKeyW
RegDeleteValueW
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegQueryInfoKeyW
RegEnumKeyExW
RegQueryValueExW
RegOpenKeyW
OpenProcessToken
OpenThreadToken
CopySid
GetLengthSid
IsValidSid
GetTokenInformation
ConvertSidToStringSidW
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptGetHashParam
CryptImportKey

shell32

SHGetFolderPathW
ShellExecuteExW
Shell_NotifyIconW
ShellExecuteW
SHCreateDirectoryExW
CommandLineToArgvW
SHChangeNotify

ole32

CoRevokeClassObject
CoTaskMemAlloc
CoRegisterClassObject
CoTaskMemFree
CoInitialize
CoUninitialize
StringFromGUID2
CoCreateInstance
OleLockRunning
CoGetClassObject
CLSIDFromProgID
CLSIDFromString
CreateStreamOnHGlobal
OleInitialize
OleUninitialize
CoCreateGuid
CoTaskMemRealloc

oleaut32

UnRegisterTypeLi
DispGetParam
DispCallFunc
VariantCopy
SysStringByteLen
SysAllocStringByteLen
VariantChangeType
OleCreateFontIndirect
VariantClear
VariantInit
LoadRegTypeLi
VarUI4FromStr
RegisterTypeLi
LoadTypeLi
SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen

shlwapi

StrCmpIW
PathAddExtensionW
PathFileExistsW
PathFindExtensionW
StrCmpW
StrCpyW
PathFindFileNameW
PathCombineW
SHCreateStreamOnFileEx

userenv

UnloadUserProfile

Sections

.text
Size: 135KB - Virtual size: 134KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$TEMP/config.ini

Sharing

General

Malware Config

Signatures

Files

Password: infected

28a099a911237a28521d8b7ea250f089

Code Sign

01Certificate

Key Usages

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bbCertificate

Extended Key Usages

Key Usages

84:1d:09:9d:16:b7:38:f3:41:72:fe:ef:e1:d2:57:4fCertificate

Extended Key Usages

Key Usages

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:beCertificate

Extended Key Usages

Key Usages

38:b2:88:6f:44:0f:c8:21:6a:77:10:0f:13:a3:a6:28:e2:73:f4:f4Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comctl32

gdi32

kernel32

ole32

shell32

user32

version

Sections

.text Size: 28KB - Virtual size: 28KB

.data Size: 512B - Virtual size: 140B

.rdata Size: 3KB - Virtual size: 3KB

.bss Size: - Virtual size: 107KB

.idata Size: 5KB - Virtual size: 4KB

.ndata Size: 1024B - Virtual size: 32KB

.rsrc Size: 17KB - Virtual size: 17KB

e90e65bdaffec07040f15392a1f74d82

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wininet

psapi

iphlpapi

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

userenv

Sections

.text Size: 135KB - Virtual size: 134KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 11KB - Virtual size: 21KB

.rsrc Size: 19KB - Virtual size: 18KB

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

01
Certificate

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

84:1d:09:9d:16:b7:38:f3:41:72:fe:ef:e1:d2:57:4f
Certificate

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

38:b2:88:6f:44:0f:c8:21:6a:77:10:0f:13:a3:a6:28:e2:73:f4:f4
Signer

.text
Size: 28KB - Virtual size: 28KB

.data
Size: 512B - Virtual size: 140B

.rdata
Size: 3KB - Virtual size: 3KB

.bss
Size: - Virtual size: 107KB

.idata
Size: 5KB - Virtual size: 4KB

.ndata
Size: 1024B - Virtual size: 32KB

.rsrc
Size: 17KB - Virtual size: 17KB

.text
Size: 135KB - Virtual size: 134KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 11KB - Virtual size: 21KB

.rsrc
Size: 19KB - Virtual size: 18KB

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