Static task
static1
Behavioral task
behavioral1
Sample
dotnetfx35setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
dotnetfx35setup.exe
Resource
win10v2004-20230220-en
General
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Target
dotnetfx35setup.exe
-
Size
2.8MB
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MD5
c626670633ddcc2a66b0d935195cf2a1
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SHA1
ec9f0c31b9949ca1cf14e9a43bca065fa5bc0e71
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SHA256
6ba7399eda49212524560c767045c18301cd4360b521be2363dd77e23da3cf36
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SHA512
144d3f50315e58a4e173a35b08450cdefe6cebe35190f32275b65591ddda8729720b21e32baa8e42c63060435868af941265288ab7ac6de59b23cec70a8aa2ef
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SSDEEP
49152:cQpDJ082TPqyaP3xhIKc+8m9efm97y8pUcsKY4twQ9/3WOIpXFRDt:cZ826P3xhpum9Icspgw0OfXFP
Malware Config
Signatures
Files
-
dotnetfx35setup.exe.exe windows x86
092eb6daba2f17cbda102fd1a32acd00
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
5f:8f:1e:c8:64:a2:60:f9:a5:fe:a0:72:bf:df:e6:f3:f1:e6:3f:0bSigner
Actual PE Digest5f:8f:1e:c8:64:a2:60:f9:a5:fe:a0:72:bf:df:e6:f3:f1:e6:3f:0bDigest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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
kernel32
GetDriveTypeA
HeapFree
FormatMessageA
LeaveCriticalSection
DeleteFileA
EnterCriticalSection
TerminateProcess
WaitForMultipleObjects
CreateEventW
SetEvent
Sleep
SetEnvironmentVariableA
GetEnvironmentVariableA
WideCharToMultiByte
HeapAlloc
SetLastError
WriteFile
MoveFileA
ExitProcess
DeleteCriticalSection
FlushFileBuffers
GetVersionExA
WaitForSingleObject
OpenEventA
GetCurrentProcess
GetFileAttributesA
GetCommandLineA
GetModuleFileNameA
CreateFileA
FindNextFileA
FindFirstFileA
CopyFileA
SetFileAttributesA
SystemTimeToFileTime
GetSystemTime
GetDiskFreeSpaceA
QueryDosDeviceA
GetCurrentDirectoryA
SetEndOfFile
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
GetExitCodeProcess
CreateProcessA
ExpandEnvironmentStringsA
GetFileSize
CreateThread
CreateEventA
GetProcessHeap
InitializeCriticalSectionAndSpinCount
GetModuleHandleA
QueryPerformanceCounter
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
SetUnhandledExceptionFilter
CloseHandle
DeviceIoControl
GetSystemDirectoryA
LoadLibraryA
GetProcAddress
FreeLibrary
SetErrorMode
GetTickCount
CreateDirectoryA
GetLastError
RemoveDirectoryA
MoveFileExA
SetFilePointer
FindClose
ReadFile
msvcrt
strchr
_strnicmp
_stricmp
strrchr
_strlwr
strncpy
strstr
_snprintf
sprintf
advapi32
AllocateAndInitializeSid
GetTokenInformation
GetLengthSid
InitiateSystemShutdownA
CryptReleaseContext
CryptGenRandom
CryptAcquireContextA
SetSecurityDescriptorDacl
AddAccessAllowedAce
InitializeAcl
InitializeSecurityDescriptor
OpenProcessToken
user32
ShowWindow
SendDlgItemMessageA
SendMessageA
DialogBoxParamA
LoadStringA
EndDialog
SetParent
MessageBoxA
ntdll
NtShutdownSystem
NtAdjustPrivilegesToken
NtClose
NtOpenProcessToken
comctl32
ord17
shell32
SHBrowseForFolderA
SHGetPathFromIDListA
Sections
.text Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2.8MB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ