Descargas[.]zip

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General

Target

Descargas.zip
Size

2.1MB
MD5

19b7458b2f0a805a8dac821e79507d97
SHA1

43b1d7203ea3ce312e6ac99abd45f113972bc6cf
SHA256

ea465acb69f71ee0a2a15739bf2a6a03ae83a01c9e6c3750fc6cd4c984b1b2f0
SHA512

0b53db94be8aff15155899bdcc878476d3c78232d7f16af69017fea819933e98860c0dad80e75c410b4f96aed6df09157cf59c9b0906e83153005da1746ef34b
SSDEEP

49152:8SVigaMftSAN+93ZFxR1npolpgqFbiTa61NwEQ2L06sx7TP8:8SViYtHg9pF71WlvdYNLw6sx7TE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/SKlauncher 3.1.exe

Files

Descargas.zip
.zip
JavaSetup8u371.exe
.exe windows x86

9841ebde0455176831e66c2c6381dfb0

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

19/08/2021, 00:00

Not After

19/08/2023, 23:59

Subject

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

cc:fa:18:b7:3d:11:91:ee:31:48:78:f7:e6:a9:b6:2e:4d:50:ef:ad:51:35:fd:03:50:8e:65:87:c6:08:5b:a4
Signer

Actual PE Digest

cc:fa:18:b7:3d:11:91:ee:31:48:78:f7:e6:a9:b6:2e:4d:50:ef:ad:51:35:fd:03:50:8e:65:87:c6:08:5b:a4

Digest Algorithm

sha256

PE Digest Matches

true

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

advapi32

GetTokenInformation
RegCloseKey
OpenProcessToken
CopySid
EqualSid
ConvertStringSidToSidA
ConvertStringSecurityDescriptorToSecurityDescriptorA

kernel32

GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
HeapSize
WriteConsoleW
FlushFileBuffers
ReadFile
GetFileSizeEx
SetFilePointerEx
CreateDirectoryA
GetLastError
WaitForSingleObject
GetExitCodeProcess
CreateProcessA
GetModuleHandleA
GetModuleHandleExA
GetProcAddress
SetDllDirectoryA
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
GetCurrentProcess
LocalFree
GetCommandLineW
GetTempPathA
SetLastError
GetSystemDirectoryA
GetNativeSystemInfo
GetModuleFileNameA
GetModuleHandleExW
CreateFileA
DeleteFileA
FindClose
FindFirstFileA
FindNextFileA
GetDriveTypeA
GetFileAttributesA
RemoveDirectoryA
SetFileAttributesA
DecodePointer
RaiseException
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetTickCount
CopyFileA
MoveFileExA
LoadResource
LockResource
SizeofResource
FindResourceA
Sleep
GetCurrentProcessId
GetCurrentThreadId
GetLocalTime
FormatMessageW
FreeLibrary
LoadLibraryW
EnumSystemLocalesW
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
EncodePointer
LCMapStringEx
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
OutputDebugStringW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
IsValidCodePage
FindNextFileW
FindFirstFileExW
HeapReAlloc
SetEndOfFile
SetStdHandle
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetCommandLineA
WriteFile
GetConsoleOutputCP
GetConsoleMode
CreateFileW
GetFileType
GetStdHandle
GetModuleFileNameW
ExitProcess
HeapFree
HeapAlloc
ReadConsoleW

Sections

.text
Size: 183KB - Virtual size: 183KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 71KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
SKlauncher 3.1.exe
.exe windows x86

c6e51dda1622035b42b177c9afe67c30

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

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
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA

kernel32

CloseHandle
CreateMutexA
CreateProcessA
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindResourceExA
FormatMessageA
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetEnvironmentVariableA
GetExitCodeProcess
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GlobalMemoryStatusEx
InitializeCriticalSection
LeaveCriticalSection
LoadResource
LocalFree
LockResource
SetEnvironmentVariableA
SetLastError
SetUnhandledExceptionFilter
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObject

msvcrt

_strdup
_stricoll
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_chdir
_close
_errno
_findclose
_findfirst
_findnext
_fullpath
_iob
_itoa
_onexit
_open
_read
_setmode
_stat64
_stricmp
abort
atexit
atoi
calloc
fclose
fopen
fprintf
fputs
free
fwrite
isspace
malloc
mbstowcs
memcpy
printf
puts
realloc
setlocale
signal
strcat
strchr
strcmp
strcoll
strcpy
strlen
strncat
strncpy
strpbrk
strrchr
strstr
strtok
tolower
vfprintf
wcstombs

shell32

ShellExecuteA

user32

CreateWindowExA
DispatchMessageA
EnumWindows
FindWindowExA
GetMessageA
GetSystemMetrics
GetWindowLongA
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
KillTimer
LoadImageA
MessageBoxA
PostQuitMessage
SendMessageA
SetForegroundWindow
SetTimer
SetWindowPos
ShowWindow
TranslateMessage
UpdateWindow

Sections

.text
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 35KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

9841ebde0455176831e66c2c6381dfb0

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

cc:fa:18:b7:3d:11:91:ee:31:48:78:f7:e6:a9:b6:2e:4d:50:ef:ad:51:35:fd:03:50:8e:65:87:c6:08:5b:a4Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

Sections

.text Size: 183KB - Virtual size: 183KB

.rdata Size: 71KB - Virtual size: 70KB

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

.rsrc Size: 1.9MB - Virtual size: 1.9MB

.reloc Size: 10KB - Virtual size: 10KB

c6e51dda1622035b42b177c9afe67c30

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

shell32

user32

Sections

.text Size: 22KB - Virtual size: 22KB

.data Size: 512B - Virtual size: 16B

.rdata Size: 2KB - Virtual size: 2KB

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

.bss Size: - Virtual size: 35KB

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

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 17KB - Virtual size: 16KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

cc:fa:18:b7:3d:11:91:ee:31:48:78:f7:e6:a9:b6:2e:4d:50:ef:ad:51:35:fd:03:50:8e:65:87:c6:08:5b:a4
Signer

.text
Size: 183KB - Virtual size: 183KB

.rdata
Size: 71KB - Virtual size: 70KB

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

.rsrc
Size: 1.9MB - Virtual size: 1.9MB

.reloc
Size: 10KB - Virtual size: 10KB

.text
Size: 22KB - Virtual size: 22KB

.data
Size: 512B - Virtual size: 16B

.rdata
Size: 2KB - Virtual size: 2KB

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

.bss
Size: - Virtual size: 35KB

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

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 17KB - Virtual size: 16KB