Release[.]zip | Triage

Resubmissions

16/11/2023, 23:25

231116-3ememacg2y 3

16/11/2023, 23:21

231116-3ca9ksbe74 3

Sharing

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General

Target

Release.zip
Size

429KB
MD5

7fa5186ee1c6f22e329be1268374887b
SHA1

eea4645a593ec541e20d0bf02156cf8c30dded87
SHA256

5581753482cb652bcf10a083a7ac03751c22a4d540d265d14dd13555717b44bc
SHA512

ea17bc2b80e5145f1ea44df5414f45e1ca4249f776316c78c3f37e4957f1c01ad8b4fdc83a8757f6af2c7a544f95dad16f2f9cfe8dbb679b363423fdcf2d81a9
SSDEEP

12288:6xJHimnCZpc32TNJrSeYfpTsZCuk8MRpWRyi8A03l:4JHiLZGGTwfpTskJKyYQl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Release\libcurl.dll

Files

Release.zip
.zip
Release\client.exe
.exe windows:6 windows x86 arch:x86

988391a1d196878dd5a8ed594fa8246b

Code Sign

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

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

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

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

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4a
Certificate

Issuer

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

Not Before

13/05/2022, 00:00

Not After

14/05/2025, 23:59

Subject

CN=Notepad\+\+,O=Notepad\+\+,L=Saint Cloud,ST=Ile-de-France,C=FR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

6c:e9:68:2d:43:45:72:03:56:c3:90:26:12:60:b3:21:78:ce:2a:92
Signer

Actual PE Digest

6c:e9:68:2d:43:45:72:03:56:c3:90:26:12:60:b3:21:78:ce:2a:92

Digest Algorithm

sha1

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

libcurl

curl_easy_cleanup
curl_easy_perform
curl_easy_setopt
curl_easy_init

comctl32

InitCommonControlsEx

shlwapi

PathFindFileNameW
PathIsDirectoryW
PathRemoveFileSpecW
PathFindExtensionW
PathFileExistsA
PathFileExistsW

kernel32

UnregisterWaitEx
QueryDepthSList
LoadLibraryW
DecodePointer
InterlockedPopEntrySList
VirtualFree
VirtualProtect
VirtualAlloc
GetVersionExW
GetModuleHandleA
CreateDirectoryW
DeleteFileW
OutputDebugStringW
Sleep
CreateThread
GetCurrentThreadId
lstrcmpW
lstrcpyW
lstrlenW
MoveFileW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
CloseHandle
GetLastError
InitializeCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventW
CreateSemaphoreW
GetThreadTimes
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
GetThreadPriority
SetThreadPriority
SignalObjectAndWait
CreateTimerQueue
WriteConsoleW
SetEndOfFile
HeapSize
CreateFileW
HeapReAlloc
SetStdHandle
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
InitializeCriticalSectionAndSpinCount
WaitForSingleObjectEx
GetModuleHandleW
GetProcAddress
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
WideCharToMultiByte
MultiByteToWideChar
DuplicateHandle
SwitchToThread
GetCurrentThread
GetExitCodeThread
TryEnterCriticalSection
EncodePointer
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetTickCount
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
RaiseException
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
FreeLibrary
LoadLibraryExW
ReadFile
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
GetStdHandle
WriteFile
HeapFree
GetFileType
SetFilePointerEx
GetConsoleMode
ReadConsoleW
HeapAlloc
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetFileSizeEx
GetTimeZoneInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW

user32

MessageBoxA
GetWindowRect
SetWindowTextW
FindWindowExW
SetDlgItemTextW
GetDlgItemInt
SetDlgItemInt
EndDialog
DialogBoxParamW
SetWindowPos
CreateWindowExW
SendMessageW
SetWindowsHookExW
MessageBoxW
UnhookWindowsHookEx
CallNextHookEx
LoadImageW
SystemParametersInfoW
GetDlgItemTextW

shell32

SHFileOperationW
ShellExecuteW
SHGetFolderPathW

Sections

.text
Size: 548KB - Virtual size: 547KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 131KB - Virtual size: 131KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Release\libcurl.dll
.dll windows:6 windows x86 arch:x86

4e231947b79c565efe7893bb5f70a11f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

InitializeCriticalSectionEx
GetLastError
DecodePointer
AddVectoredExceptionHandler
DeleteCriticalSection
SetFilePointerEx
LocalFree
FormatMessageA
GetLocaleInfoEx
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetFileAttributesW
GetFileAttributesExW
GetTempPathW
AreFileApisANSI
CloseHandle
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
IsDebuggerPresent
OutputDebugStringW
RaiseException
EnterCriticalSection
LeaveCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwind
InterlockedFlushSList
SetLastError
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetCPInfo
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapFree
HeapAlloc
GetStringTypeW
HeapSize
HeapReAlloc
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
WriteConsoleW

user32

GetWindowTextW

Exports

Exports

curl_easy_cleanup
curl_easy_init
curl_easy_perform
curl_easy_setopt
inflate

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

988391a1d196878dd5a8ed594fa8246b

Code Sign

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

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4aCertificate

Extended Key Usages

Key Usages

6c:e9:68:2d:43:45:72:03:56:c3:90:26:12:60:b3:21:78:ce:2a:92Signer

Headers

DLL Characteristics

File Characteristics

Imports

libcurl

comctl32

shlwapi

kernel32

user32

shell32

Sections

.text Size: 548KB - Virtual size: 547KB

.rdata Size: 131KB - Virtual size: 131KB

.data Size: 15KB - Virtual size: 19KB

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

.reloc Size: 26KB - Virtual size: 26KB

4e231947b79c565efe7893bb5f70a11f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Exports

Exports

Sections

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

.rdata Size: 30KB - Virtual size: 30KB

.data Size: 3KB - Virtual size: 5KB

.rsrc Size: 1KB - Virtual size: 1KB

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

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

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

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

03:aa:64:92:de:9d:96:a9:0a:4b:ca:97:be:ad:b4:4a
Certificate

6c:e9:68:2d:43:45:72:03:56:c3:90:26:12:60:b3:21:78:ce:2a:92
Signer

.text
Size: 548KB - Virtual size: 547KB

.rdata
Size: 131KB - Virtual size: 131KB

.data
Size: 15KB - Virtual size: 19KB

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

.reloc
Size: 26KB - Virtual size: 26KB

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

.rdata
Size: 30KB - Virtual size: 30KB

.data
Size: 3KB - Virtual size: 5KB

.rsrc
Size: 1KB - Virtual size: 1KB

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