gacutil[.]exe | Triage

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General

Target

gacutil.exe
Size

95KB
MD5

5b4c8d4f5b968797521537f88ca16882
SHA1

acbb2e6bec6dba8ba3e7e743a5cdc22d57cc6ad4
SHA256

7520edbdc109b0817d4118f814c8c82131f1a3f78eb8b514c5102d38b1688db8
SHA512

90735e5a4c7ec1d89bfdf279a17e57945ad0c4accf24b2586bb80c4a7746c65785e31103c755cfffbfc1ff69b08ceb062f388355381fd222447f6abb96e29272
SSDEEP

1536:/4TM3JJZDc0tA5gibJxURgofhbbOgPkAG0j3v+Utex/xCU+CeaR/ol:gTM3lptA7bwdGa2Utex/xCU+rKol

Score

1^/10

Malware Config

Signatures

Files

gacutil.exe
.exe windows x86

d76b0d681009fd566d7425e08f54123b

Code Sign

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

04/12/2003, 00:00

Not After

03/12/2008, 23:59

Subject

CN=VeriSign Time Stamping Services Signer,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

10/01/1997, 07:00

Not After

31/12/2020, 07:00

Subject

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

6a:0b:99:4f:c0:00:0c:ab:11:d8:22:ef:7d:6c:79:7e
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

23/05/2002, 08:00

Not After

25/09/2011, 08:00

Subject

CN=Microsoft Code Signing PCA,OU=Copyright (c) 2000 Microsoft Corp.,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

61:05:87:58:00:03:00:00:00:5a
Certificate

Issuer

CN=Microsoft Code Signing PCA,OU=Copyright (c) 2000 Microsoft Corp.,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

05/01/2005, 23:20

Not After

05/04/2006, 23:30

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

25:d3:72:0a:91:ce:01:4f:89:d7:5e:a9:04:0c:72:f2:49:34:dc:43
Signer

Actual PE Digest

25:d3:72:0a:91:ce:01:4f:89:d7:5e:a9:04:0c:72:f2:49:34:dc:43

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_32BIT_MACHINE

Imports

kernel32

GetVersionExW
GetLastError
MultiByteToWideChar
GetFullPathNameA
SetLastError
WideCharToMultiByte
GetFullPathNameW
lstrlenW
LocalFree
LocalAlloc
FormatMessageA
FormatMessageW
CreateFileA
CreateFileW
WriteFile
GetConsoleOutputCP
GetProcAddress
GetModuleHandleA
GetFileType
GetStdHandle
CloseHandle
lstrlenA
ReadFile
FreeLibrary
HeapFree
GetVersionExA
HeapAlloc
GetProcessHeap
RtlUnwind
ExitProcess
GetModuleFileNameA
UnhandledExceptionFilter
GetModuleFileNameW
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetCommandLineW
SetHandleCount
GetStartupInfoA
DeleteCriticalSection
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
InterlockedDecrement
HeapDestroy
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
IsDebuggerPresent
RaiseException
GetCPInfo
GetACP
GetOEMCP
LeaveCriticalSection
EnterCriticalSection
LoadLibraryA
InitializeCriticalSection
Sleep
VirtualAlloc
HeapReAlloc
HeapSize
SetFilePointer
GetConsoleCP
GetConsoleMode
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
SetStdHandle
WriteConsoleA
WriteConsoleW
FlushFileBuffers

mscoree

ord22
LoadLibraryShim

user32

LoadStringA
LoadStringW

shlwapi

PathCombineW

Sections

.text
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d76b0d681009fd566d7425e08f54123b

Code Sign

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88Certificate

Extended Key Usages

Key Usages

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40Certificate

6a:0b:99:4f:c0:00:0c:ab:11:d8:22:ef:7d:6c:79:7eCertificate

Extended Key Usages

Key Usages

61:05:87:58:00:03:00:00:00:5aCertificate

Extended Key Usages

Key Usages

25:d3:72:0a:91:ce:01:4f:89:d7:5e:a9:04:0c:72:f2:49:34:dc:43Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

mscoree

user32

shlwapi

Sections

.text Size: 66KB - Virtual size: 65KB

.data Size: 4KB - Virtual size: 15KB

.rsrc Size: 17KB - Virtual size: 17KB

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

0d:e9:2b:f0:d4:d8:29:88:18:32:05:09:5e:9a:76:88
Certificate

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40
Certificate

6a:0b:99:4f:c0:00:0c:ab:11:d8:22:ef:7d:6c:79:7e
Certificate

61:05:87:58:00:03:00:00:00:5a
Certificate

25:d3:72:0a:91:ce:01:4f:89:d7:5e:a9:04:0c:72:f2:49:34:dc:43
Signer

.text
Size: 66KB - Virtual size: 65KB

.data
Size: 4KB - Virtual size: 15KB

.rsrc
Size: 17KB - Virtual size: 17KB