down[.]rar | Triage

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General

Target

down.rar
Size

2.1MB
MD5

d7b236fdb94b476898ac59e132885016
SHA1

64edf57c3669d8e9332ad1bb844adcc66b5f36aa
SHA256

f97df4ddd33b29502f41d34ca757ef5da4935fcea8f7cd1e49bc4fbc5a367057
SHA512

f5ddb6b2c8c717a1fbe121a4c2b16ac5a1c684523b13a41d66fc63107af45ab0f92ee1faa1364648106fe3c5c4d4e406e4c66480a3ee03d33e0762cc527bcc18
SSDEEP

49152:XkS89K6uD66ApMhU3Rr7AiLBbf95jvAmNE5w:n8ZuD66ApuodAiVzbnNCw

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/msi.dll

Files

down.rar
.rar
msi.dll
.dll windows:6 windows x64 arch:x64

98d9eef93d4414303caa764223cb12e6

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

PDB Paths

C:\Users\user\Desktop\drop-side\VisualStudioProject\winhttp.dll\x64\Release\winhttp.pdb

Imports

kernel32

LocalAlloc
LoadLibraryW
GetCurrentDirectoryW
LocalFree
LocalReAlloc
WriteConsoleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
GetLastError
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
CloseHandle

Exports

Exports

??0Cwinhttpdll@@QEAA@XZ
??4Cwinhttpdll@@QEAAAEAV0@$$QEAV0@@Z
??4Cwinhttpdll@@QEAAAEAV0@AEBV0@@Z
?fnwinhttpdll@@YAHXZ
?nwinhttpdll@@3HA

Sections

.text
Size: 78KB - Virtual size: 78KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 289KB - Virtual size: 289KB

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
pdf_20240615_00003645.exe
.exe windows:6 windows x64 arch:x64

101011039347c4cfa1069b986fd6a64e

Code Sign

33:00:00:05:57:cf:90:dd:c7:d1:c0:88:8c:00:00:00:00:05:57
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b
Signer

Actual PE Digest

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b

Digest Algorithm

sha256

PE Digest Matches

true

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b
Signer

Actual PE Digest

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

d:\dbs\el\omr\target\x64\ship\click2run\x-none\IntegratedOffice.pdb

Imports

advapi32

RegCreateKeyExW
RegCloseKey
EventUnregister
EventRegister
EventWriteTransfer
RegEnumKeyExW
RegQueryInfoKeyW
RegEnumValueW
RegOpenKeyExW
RegDeleteTreeW
RegDeleteKeyW
RegGetValueW
RegQueryValueExW
RegSetValueExW
RegDeleteValueW
GetTokenInformation
IsValidSid
GetSidSubAuthorityCount
GetSidSubAuthority
ConvertStringSecurityDescriptorToSecurityDescriptorW
OpenThreadToken
OpenProcessToken
GetLengthSid
CopySid
InitializeAcl
AddAccessAllowedAce
AllocateAndInitializeSid
FreeSid
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
GetSecurityDescriptorDacl
ConvertSidToStringSidA
CheckTokenMembership
CreateWellKnownSid
EqualSid
RevertToSelf
RegEnumValueA
RegDeleteValueA
RegGetValueA
RegNotifyChangeKeyValue
EventWrite

ole32

CoUninitialize
CreateStreamOnHGlobal
CoInitialize
IIDFromString
CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
CLSIDFromString
CoCreateInstance
CoSetProxyBlanket
CoTaskMemFree
StringFromGUID2
CoCreateGuid
CoInitializeEx

oleaut32

VariantClear
VariantInit

gdi32

GetDeviceCaps

iphlpapi

GetAdaptersInfo

kernel32

GetCommandLineA
SetStdHandle
CompareStringW
GetTimeFormatW
GetDateFormatW
EnumSystemLocalesW
GetOEMCP
ExitProcess
GetStdHandle
FreeLibraryAndExitThread
ExitThread
GetConsoleOutputCP
ReadConsoleW
GetCommandLineW
RtlUnwind
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
InitializeCriticalSectionAndSpinCount
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetConsoleMode
SetEnvironmentVariableW
GetCurrentProcess
GetModuleHandleExW
GetLastError
CompareStringEx
GetProcAddress
FreeLibrary
IsWow64Process
MultiByteToWideChar
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
SetLastError
DeactivateActCtx
ActivateActCtx
LoadLibraryW
FindActCtxSectionStringW
CreateActCtxW
GetModuleFileNameW
QueryActCtxW
OutputDebugStringA
LocalFree
FindClose
UnmapViewOfFile
CreateFileA
CloseHandle
CreateFileMappingA
GetFileSize
MapViewOfFile
Sleep
GetStringTypeExW
GetUserDefaultLCID
LoadLibraryA
LCMapStringW
FormatMessageA
LocalAlloc
CreateEventExW
GlobalMemoryStatusEx
RaiseException
LoadLibraryExW
GetModuleHandleW
VerSetConditionMask
VerifyVersionInfoW
GetVersionExW
WideCharToMultiByte
InitializeSRWLock
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared
OpenProcess
GetExitCodeProcess
GetProcessTimes
GetTickCount64
GetSystemTimeAsFileTime
TerminateProcess
GetModuleFileNameA
GetShortPathNameA
K32GetModuleFileNameExW
CreateProcessW
FindResourceW
SizeofResource
LoadResource
GetCurrentProcessId
GetUserDefaultLocaleName
IsValidCodePage
GetSystemTime
SystemTimeToFileTime
FileTimeToSystemTime
GetCPInfoExW
GetDiskFreeSpaceExW
CreateFileW
WriteConsoleW
GetComputerNameW
FormatMessageW
GetLogicalProcessorInformation
GetNativeSystemInfo
GetSystemDirectoryW
HeapFree
HeapAlloc
GetProcessHeap
ReleaseMutex
CreateMutexExW
OpenMutexW
WaitForSingleObjectEx
EnterCriticalSection
GetCurrentThreadId
TryEnterCriticalSection
LeaveCriticalSection
SetEvent
FlsFree
FlsAlloc
GetFileAttributesExW
CreateDirectoryW
FindFirstFileExW
DeleteFileW
FindFirstFileW
FindNextFileW
GetFileTime
ReadFile
GetFileSizeEx
SetFilePointerEx
GetTempFileNameW
GetFileAttributesW
CreateFileMappingW
FlushViewOfFile
GetFileType
SetFilePointer
GetOverlappedResult
SetFileInformationByHandle
GetTempPathW
ExpandEnvironmentStringsW
GetFullPathNameW
CreateMutexW
ReleaseSemaphore
WaitForMultipleObjects
GetCurrentThread
OpenEventA
CreateEventA
OpenMutexA
CreateMutexA
OpenSemaphoreA
CreateSemaphoreA
OpenFileMappingA
GlobalAlloc
GlobalFree
WaitForMultipleObjectsEx
GetProcessAffinityMask
CreateWaitableTimerW
SetWaitableTimerEx
CancelWaitableTimer
QueryDepthSList
InitializeSListHead
InterlockedPushEntrySList
InterlockedPopEntrySList
RtlCaptureStackBackTrace
DeleteFileA
GetTempPathA
ProcessIdToSessionId
GetExitCodeThread
WriteFile
GetPriorityClass
GetTimeZoneInformation
IsValidLocale
GetTickCount
ResetEvent
CreateEventW
WaitForSingleObject
CreateThread
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
CloseThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer
CloseThreadpoolWait
SetThreadpoolWait
WaitForThreadpoolWaitCallbacks
CreateThreadpoolWait
CreateThreadpoolWork
SubmitThreadpoolWork
GetLocaleInfoEx
LCIDToLocaleName
LocaleNameToLCID
GetLocaleInfoW
ResolveLocaleName
GetUserPreferredUILanguages
GetACP
LockResource
EnumSystemLocalesEx
GetSystemDefaultLocaleName
GetFileAttributesA
LoadLibraryExA
LCMapStringEx
GetSystemDefaultLCID
GetUserGeoID
GetLongPathNameW
GetFinalPathNameByHandleW
GetSystemPowerStatus
AreFileApisANSI
HeapCreate
GetDiskFreeSpaceW
LockFile
InitializeCriticalSection
GetFullPathNameA
SetEndOfFile
UnlockFileEx
HeapValidate
HeapSize
GetDiskFreeSpaceA
OutputDebugStringW
HeapReAlloc
GetSystemInfo
HeapCompact
HeapDestroy
UnlockFile
LockFileEx
QueryPerformanceCounter
FlushFileBuffers
K32GetProcessMemoryInfo
SetFileTime
CancelIoEx
GetPhysicallyInstalledSystemMemory
GetProductInfo
QueryPerformanceFrequency
WerRegisterMemoryBlock
WerUnregisterMemoryBlock
QueryFullProcessImageNameW
CreateIoCompletionPort
PostQueuedCompletionStatus
GetThreadIOPendingFlag
GetQueuedCompletionStatus
FlsSetValue
FlsGetValue
IsDebuggerPresent
GetStartupInfoW
CreateMemoryResourceNotification
IsSystemResumeAutomatic
QueryUnbiasedInterruptTime
RtlCaptureContext
SwitchToThread
VirtualProtect
VirtualQuery
GetLocalTime
DeviceIoControl
EncodePointer
InitializeConditionVariable
GetFileInformationByHandleEx
TryAcquireSRWLockExclusive
InitOnceBeginInitialize
InitOnceComplete
GetStringTypeW
RtlPcToFileHeader

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 82KB - Virtual size: 139KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 142KB - Virtual size: 141KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 280KB - Virtual size: 280KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

98d9eef93d4414303caa764223cb12e6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Exports

Exports

Sections

.text Size: 78KB - Virtual size: 78KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 3KB - Virtual size: 7KB

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

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 289KB - Virtual size: 289KB

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

101011039347c4cfa1069b986fd6a64e

Code Sign

33:00:00:05:57:cf:90:dd:c7:d1:c0:88:8c:00:00:00:00:05:57Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7bSigner

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7bSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

ole32

oleaut32

gdi32

iphlpapi

kernel32

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.rdata Size: 1.1MB - Virtual size: 1.1MB

.data Size: 82KB - Virtual size: 139KB

.pdata Size: 142KB - Virtual size: 141KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 280KB - Virtual size: 280KB

.reloc Size: 45KB - Virtual size: 44KB

.text
Size: 78KB - Virtual size: 78KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 3KB - Virtual size: 7KB

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

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 289KB - Virtual size: 289KB

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

33:00:00:05:57:cf:90:dd:c7:d1:c0:88:8c:00:00:00:00:05:57
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b
Signer

fb:cf:9a:9b:9c:d8:67:e1:58:13:62:4c:85:5c:78:bb:dd:a6:0b:c4:d9:c3:c6:b2:c3:ab:66:e2:04:bd:1e:7b
Signer

.text
Size: 3.5MB - Virtual size: 3.5MB

.rdata
Size: 1.1MB - Virtual size: 1.1MB

.data
Size: 82KB - Virtual size: 139KB

.pdata
Size: 142KB - Virtual size: 141KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 280KB - Virtual size: 280KB

.reloc
Size: 45KB - Virtual size: 44KB