Static task
static1
Behavioral task
behavioral1
Sample
WindowsServer2003-KB942288-v4-x64.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
WindowsServer2003-KB942288-v4-x64.exe
Resource
win10v2004-20230220-en
General
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Target
WindowsServer2003-KB942288-v4-x64.exe
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Size
4.5MB
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MD5
2464cd74a533d80e87d9cfc88702c938
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SHA1
9724f8b3c12fadeee26cd68e139f515cee28acee
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SHA256
0c7e2cd7394a99c9d7cc8b1bb575f476ec5e30f53e59a34077f848bf96aa6a3d
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SHA512
7e0f3a0c5298671965ad82e3a105f2c27c0f750ba7a31c89d3b42fca796d8008476d05a91d108063727b449c06d1bf71c8a149b221f83ce897bc047fef354a88
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SSDEEP
98304:Dvp7lBUBZrhzfKzIQtHFRHvpF+tdl1fJVjGS3KX6qqnZl:T1/UzF56HPvWtdzSbqZ
Malware Config
Signatures
Files
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WindowsServer2003-KB942288-v4-x64.exe.exe windows x86
efa5f35372e4d62ace30c793506bd914
Code Sign
c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40Certificate
IssuerCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft CorporationNot Before10/01/1997, 07:00Not After31/12/2020, 07:00SubjectCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporationc1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40Certificate
IssuerCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft CorporationNot Before10/01/1997, 07:00Not After31/12/2020, 07:00SubjectCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation2e:ab:11:dc:50:ff:5c:9d:cb:c0Certificate
IssuerCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft CorporationNot Before22/08/2007, 22:31Not After25/08/2012, 07:00SubjectCN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
61:0f:78:4d:00:00:00:00:00:03Certificate
IssuerCN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before23/08/2007, 00:23Not After23/02/2009, 00:33SubjectCN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
61:47:52:ba:00:00:00:00:00:04Certificate
IssuerCN=Microsoft Timestamping PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before16/09/2006, 01:53Not After16/09/2011, 02:03SubjectCN=Microsoft Timestamping Service,OU=nCipher DSE ESN:D8A9-CFCC-579C,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
61:49:7c:ed:00:00:00:00:00:05Certificate
IssuerCN=Microsoft Timestamping PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before16/09/2006, 01:55Not After16/09/2011, 02:05SubjectCN=Microsoft Timestamping Service,OU=nCipher DSE ESN:10D8-5847-CBF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2Certificate
IssuerCN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft CorporationNot Before16/09/2006, 01:04Not After15/09/2019, 07:00SubjectCN=Microsoft Timestamping PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
8a:e8:0d:6c:c6:f8:4e:45:54:ad:26:ec:70:9e:0f:6d:89:4f:e1:d5Signer
Actual PE Digest8a:e8:0d:6c:c6:f8:4e:45:54:ad:26:ec:70:9e:0f:6d:89:4f:e1:d5Digest Algorithmsha1PE Digest MatchestrueHeaders
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
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
Imports
advapi32
InitiateSystemShutdownA
GetLengthSid
GetTokenInformation
OpenProcessToken
AllocateAndInitializeSid
CryptReleaseContext
CryptGenRandom
CryptAcquireContextA
SetSecurityDescriptorDacl
AddAccessAllowedAce
InitializeAcl
InitializeSecurityDescriptor
kernel32
MoveFileExA
RemoveDirectoryA
GetLastError
CreateDirectoryA
GetTickCount
SetErrorMode
FreeLibrary
GetProcAddress
LoadLibraryA
GetSystemDirectoryA
CloseHandle
DeviceIoControl
CreateFileA
GetDriveTypeA
HeapFree
FormatMessageA
LeaveCriticalSection
DeleteFileA
EnterCriticalSection
TerminateProcess
WaitForMultipleObjects
CreateEventW
SetEvent
Sleep
SetEnvironmentVariableA
GetEnvironmentVariableA
WideCharToMultiByte
SetFilePointer
SetLastError
WriteFile
MoveFileA
ExitProcess
DeleteCriticalSection
FlushFileBuffers
GetVersionExA
WaitForSingleObject
OpenEventA
GetCurrentProcess
GetFileAttributesA
GetCommandLineA
GetModuleFileNameA
FindClose
FindNextFileA
FindFirstFileA
CopyFileA
SetFileAttributesA
SystemTimeToFileTime
GetSystemTime
GetDiskFreeSpaceA
QueryDosDeviceA
GetCurrentDirectoryA
SetEndOfFile
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
GetExitCodeProcess
CreateProcessA
ExpandEnvironmentStringsA
GetFileSize
CreateThread
CreateEventA
GetProcessHeap
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
ReadFile
HeapAlloc
user32
EndDialog
MessageBoxA
LoadStringA
ShowWindow
SendDlgItemMessageA
DialogBoxParamA
SendMessageA
SetParent
msvcrt
strncpy
_snprintf
sprintf
memcpy
toupper
_strcmpi
_strlwr
strrchr
_stricmp
_strnicmp
strchr
memset
strstr
ntdll
NtShutdownSystem
NtOpenProcessToken
NtAdjustPrivilegesToken
NtClose
RtlUnwind
comctl32
ord17
shell32
SHBrowseForFolderA
SHGetPathFromIDListA
version
VerQueryValueA
GetFileVersionInfoSizeA
GetFileVersionInfoA
Sections
.text Size: 36KB - Virtual size: 35KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 69KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4.4MB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ