1[.]zip | Triage

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General

Target

1.zip
Size

973KB
MD5

2991a4218a9b055e37996ff56adff422
SHA1

5373ab8bd0082962842792b859a3fcf39089af54
SHA256

33cbc1dd983e23d22494f6d9763d107371f5c9f016457d0f414f658092310ed2
SHA512

77bd4b437023cd40360f319d823941d0e68e49f357f97b07d714f4f939dc1fa835f480e520e778b9248b252ed97a58153e82a5c8107f2056e6b5bd6edef9baa4
SSDEEP

24576:vqO1JjhOi0vzMj5Om5P5hJLPkjiY9gkcRafN:vqOXFOi0YdBBhJIKafN

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/UpdateCheck.dll
unpack001/libcurl.dll

Files

1.zip
.zip
UpdateCheck.dll
.dll windows x64

f74fb72beb0ce78f09fd36d2da805815

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

SetLastError
WriteFile
VirtualAlloc
GetModuleHandleA
CloseHandle
lstrcmpiA
VirtualProtect
VirtualFree
LoadLibraryA
GetNativeSystemInfo
GetProcAddress
GetModuleHandleW
FreeLibrary
IsBadReadPtr
WriteConsoleW
CreateFileW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
InterlockedFlushSList
GetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
RaiseException
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx

shlwapi

StrStrIA

Exports

Exports

curl_crypt_interface
curl_decrypt_interface
curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_option_by_id
curl_easy_option_by_name
curl_easy_option_next
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_easy_upkeep
curl_escape
curl_formadd
curl_formfree
curl_formget
curl_free
curl_get_build_version
curl_get_interface
curl_getdate
curl_getenv
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_global_sslset
curl_maprintf
curl_mfprintf
curl_mime_addpart
curl_mime_data
curl_mime_data_cb
curl_mime_encoder
curl_mime_filedata
curl_mime_filename
curl_mime_free
curl_mime_headers
curl_mime_init
curl_mime_name
curl_mime_subparts
curl_mime_type
curl_mprintf
curl_msnprintf
curl_msprintf
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_poll
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_socket_all
curl_multi_strerror
curl_multi_timeout
curl_multi_wait
curl_multi_wakeup
curl_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
curl_pushheader_byname
curl_pushheader_bynum
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal
curl_strnequal
curl_unescape
curl_url
curl_url_cleanup
curl_url_dup
curl_url_get
curl_url_set
curl_version
curl_version_info

Sections

.text
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 900KB - Virtual size: 904KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
libcurl.dll
.dll windows x64

8c0a142d2af030cfa60b7918d26369ed

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

VirtualProtect
GetModuleHandleA
Sleep
LoadLibraryA
CloseHandle
CreateThread
GetProcAddress
GetCurrentProcessId
GetTickCount
WriteConsoleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedFlushSList
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RaiseException
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
SetFilePointerEx
CreateFileW

Exports

Exports

curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_option_by_id
curl_easy_option_by_name
curl_easy_option_next
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_easy_upkeep
curl_escape
curl_formadd
curl_formfree
curl_formget
curl_free
curl_getdate
curl_getenv
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_global_sslset
curl_maprintf
curl_mfprintf
curl_mime_addpart
curl_mime_data
curl_mime_data_cb
curl_mime_encoder
curl_mime_filedata
curl_mime_filename
curl_mime_free
curl_mime_headers
curl_mime_init
curl_mime_name
curl_mime_subparts
curl_mime_type
curl_mprintf
curl_msnprintf
curl_msprintf
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_poll
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_socket_all
curl_multi_strerror
curl_multi_timeout
curl_multi_wait
curl_multi_wakeup
curl_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
curl_pushheader_byname
curl_pushheader_bynum
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal
curl_strnequal
curl_unescape
curl_url
curl_url_cleanup
curl_url_dup
curl_url_get
curl_url_set
curl_version
curl_version_info

Sections

.text
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
updater.ver

Sharing

General

Malware Config

Signatures

Files

f74fb72beb0ce78f09fd36d2da805815

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shlwapi

Exports

Exports

Sections

.text Size: 48KB - Virtual size: 47KB

.rdata Size: 38KB - Virtual size: 38KB

.data Size: 900KB - Virtual size: 904KB

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

_RDATA Size: 512B - Virtual size: 148B

.reloc Size: 2KB - Virtual size: 1KB

8c0a142d2af030cfa60b7918d26369ed

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 44KB - Virtual size: 44KB

.rdata Size: 38KB - Virtual size: 37KB

.data Size: 2KB - Virtual size: 6KB

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

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 48KB - Virtual size: 47KB

.rdata
Size: 38KB - Virtual size: 38KB

.data
Size: 900KB - Virtual size: 904KB

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

_RDATA
Size: 512B - Virtual size: 148B

.reloc
Size: 2KB - Virtual size: 1KB

.text
Size: 44KB - Virtual size: 44KB

.rdata
Size: 38KB - Virtual size: 37KB

.data
Size: 2KB - Virtual size: 6KB

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

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 1KB