WindowsServer2003-KB4012598-x86-custom-CHS[.]exe

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General

Target

WindowsServer2003-KB4012598-x86-custom-CHS.exe
Size

688KB
MD5

4393d2ca25bc34aee86da7da491be63a
SHA1

b45d2d8c83583053d37b20edf5f041ecede54b80
SHA256

1b75cef17815bbfeaf8c2b3fcd525e0f45bc097e0bc1d348849cc00f0712b8a2
SHA512

a9afe0b86eafca8a2d5889eb393404b64c56e10b5ebce022fa1a74ecb91175a6689cd51027ab2d02ba60b535b77c0ca470d7ee54a038e9c546b05c6d3ccf54d2
SSDEEP

12288:FQh0gGHxd8MscKN3J/xz3KsmmUReb71l/aqkw5hwjNXK6IXe9p8w:rgGHxaMfe3b3mTEn1Rr5HwBa6Zb8w

Score

1^/10

Malware Config

Signatures

Files

WindowsServer2003-KB4012598-x86-custom-CHS.exe
.exe windows x86

fe29ac61823c9ee660c3217c8fd85d92

Code Sign

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/09/2016, 17:58

Not After

07/09/2018, 17:58

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B8EC-30A4-7144,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
Certificate

Issuer

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

Not Before

18/08/2016, 20:17

Not After

02/11/2017, 20:17

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:01:4f:e7:c6:62:c9:46:f4:a9:7f:00:00:00:00:01:4f
Certificate

Issuer

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

Not Before

17/11/2016, 21:59

Not After

17/02/2018, 21:59

Subject

CN=Microsoft Corporation,OU=MOPR,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

2b:0b:e5:bc:62:6b:9c:fa:9a:8c:71:0b:6a:94:37:bd:33:b9:2b:4d:b0:fb:84:e1:25:07:da:8d:3d:9f:a1:a5
Signer

Actual PE Digest

2b:0b:e5:bc:62:6b:9c:fa:9a:8c:71:0b:6a:94:37:bd:33:b9:2b:4d:b0:fb:84:e1:25:07:da:8d:3d:9f:a1:a5

Digest Algorithm

sha256

PE Digest Matches

true

55:22:b6:01:99:68:46:e7:69:39:71:af:72:e4:4e:5c:99:cc:0e:19
Signer

Actual PE Digest

55:22:b6:01:99:68:46:e7:69:39:71:af:72:e4:4e:5c:99:cc:0e:19

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

Imports

msvcrt

__setusermatherr
_initterm
__getmainargs
__initenv
exit
_cexit
_XcptFilter
_exit
_c_exit
_adjust_fdiv
strstr
_strlwr
strrchr
_stricmp
_strnicmp
_wcsicmp
towlower
strchr
tolower
__p__commode
__p__fmode
__set_app_type
_except_handler3
_controlfp
strncpy
_snprintf
sprintf
free
malloc
_vsnprintf

advapi32

InitializeAcl
InitializeSecurityDescriptor
AddAccessAllowedAce
SetSecurityDescriptorDacl
CryptAcquireContextA
CryptGenRandom
CryptReleaseContext
AllocateAndInitializeSid
OpenProcessToken
GetTokenInformation
GetLengthSid
InitiateSystemShutdownA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey

kernel32

GetExitCodeProcess
DosDateTimeToFileTime
LocalFileTimeToFileTime
SetFileTime
SetEndOfFile
GetCurrentDirectoryA
CreateThread
GetDiskFreeSpaceA
GetSystemTime
SystemTimeToFileTime
SetFileAttributesA
CopyFileA
CreateProcessA
FindNextFileA
FindClose
CreateEventA
GetProcessHeap
InitializeCriticalSectionAndSpinCount
QueryPerformanceCounter
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
UnhandledExceptionFilter
SetUnhandledExceptionFilter
FindFirstFileA
GetFileSize
GetFileAttributesA
SetEvent
GetCommandLineA
QueryDosDeviceA
GetVersionExA
ReadFile
SetFilePointer
MoveFileExA
RemoveDirectoryA
GetLastError
CreateDirectoryA
GetTickCount
SetErrorMode
CloseHandle
DeviceIoControl
CreateFileA
GetDriveTypeA
HeapFree
FormatMessageA
LeaveCriticalSection
DeleteFileA
EnterCriticalSection
TerminateProcess
WaitForMultipleObjects
CreateEventW
GetCurrentProcess
Sleep
SetEnvironmentVariableA
GetEnvironmentVariableA
WideCharToMultiByte
HeapAlloc
SetLastError
WriteFile
GetProcAddress
LoadLibraryA
GetSystemDirectoryA
FreeLibrary
MoveFileA
ExpandEnvironmentStringsA
ExitProcess
DeleteCriticalSection
FlushFileBuffers
WaitForSingleObject
OpenEventA
GetModuleFileNameA

user32

SendDlgItemMessageA
SendMessageA
DialogBoxParamA
MessageBoxA
SetParent
EndDialog
LoadStringA
ShowWindow

ntdll

NtOpenProcessToken
NtAdjustPrivilegesToken
NtClose
NtShutdownSystem

comctl32

ord17

shell32

SHBrowseForFolderA
SHGetPathFromIDListA

Sections

.text
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 637KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fe29ac61823c9ee660c3217c8fd85d92

Code Sign

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5Certificate

Extended Key Usages

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40Certificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:01:4f:e7:c6:62:c9:46:f4:a9:7f:00:00:00:00:01:4fCertificate

Extended Key Usages

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

Key Usages

2b:0b:e5:bc:62:6b:9c:fa:9a:8c:71:0b:6a:94:37:bd:33:b9:2b:4d:b0:fb:84:e1:25:07:da:8d:3d:9f:a1:a5Signer

55:22:b6:01:99:68:46:e7:69:39:71:af:72:e4:4e:5c:99:cc:0e:19Signer

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

advapi32

kernel32

user32

ntdll

comctl32

shell32

Sections

.text Size: 35KB - Virtual size: 34KB

.data Size: 512B - Virtual size: 69KB

.rsrc Size: 637KB - Virtual size: 5KB

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5
Certificate

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:01:4f:e7:c6:62:c9:46:f4:a9:7f:00:00:00:00:01:4f
Certificate

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

2b:0b:e5:bc:62:6b:9c:fa:9a:8c:71:0b:6a:94:37:bd:33:b9:2b:4d:b0:fb:84:e1:25:07:da:8d:3d:9f:a1:a5
Signer

55:22:b6:01:99:68:46:e7:69:39:71:af:72:e4:4e:5c:99:cc:0e:19
Signer

.text
Size: 35KB - Virtual size: 34KB

.data
Size: 512B - Virtual size: 69KB

.rsrc
Size: 637KB - Virtual size: 5KB