Behavioral task
behavioral1
Sample
KeyGen.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
KeyGen.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
epp310_en.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
epp310_en.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
新云软件.url
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
新云软件.url
Resource
win10v2004-20231222-en
General
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Target
7856f2b2a3787e31523a7be705f9c71b
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Size
990KB
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MD5
7856f2b2a3787e31523a7be705f9c71b
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SHA1
b32de4f1309a89ed176c2ebd10a620c2013a1a1f
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SHA256
f75f173989548704146e3d91d7452450754ae92a8dbe7be9e94992d5a56539bd
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SHA512
81cf102b777872c1135e3f6dac17a9947be00aed05647cce3827e8ec3594a9a83e149d307ca71056303a9d2b5e8d21342c3cd97a59dd1980525e4bc4941911e0
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SSDEEP
24576:Rjw3RKqnhA6Xsb9Q5hdUB1JmtRv57Z/Cx4cJQoWpI+dFBDt9I3:RE3vicsb9Q+B1JmtBNhCW7oWrFRt9g
Malware Config
Signatures
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resource yara_rule static1/unpack001/KeyGen.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/KeyGen.exe unpack002/out.upx
Files
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7856f2b2a3787e31523a7be705f9c71b.rar
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KeyGen.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 20KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 328B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 992B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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epp310_en.exe.exe windows:4 windows x86 arch:x86
bc5ce990cf54f8d435a68eb97512f73e
Code Sign
01Certificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before01-08-1996 00:00Not After31-12-2020 23:59SubjectCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d0aCertificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before06-08-2003 00:00Not After05-08-2013 23:59SubjectCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZAExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before15-06-2007 00:00Not After14-06-2012 23:59SubjectCN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate
IssuerCN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZANot Before04-12-2003 00:00Not After03-12-2013 23:59SubjectCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
47:77:ed:2e:5a:e5:d7:23:68:0e:cc:2a:f9:e4:85:0bCertificate
IssuerCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZANot Before18-07-2008 09:08Not After07-08-2009 08:55SubjectCN=ES-Computing,OU=Software Development Department,O=ES-Computing,L=Chinju,ST=Kyongnam,C=KRExtended Key Usages
ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
advapi32
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey
RegCreateKeyExA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
SetFileSecurityA
SetFileSecurityW
kernel32
CloseHandle
CompareStringA
CreateDirectoryA
CreateDirectoryW
CreateFileA
CreateFileW
DeleteFileA
DeleteFileW
DosDateTimeToFileTime
ExitProcess
ExpandEnvironmentStringsA
FileTimeToLocalFileTime
FileTimeToSystemTime
FindClose
FindFirstFileA
FindFirstFileW
FindNextFileA
FindNextFileW
FindResourceA
FreeLibrary
GetCPInfo
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetDateFormatA
GetFileAttributesA
GetFileAttributesW
GetFileType
GetFullPathNameA
GetLastError
GetLocaleInfoA
GetModuleFileNameA
GetModuleHandleA
GetNumberFormatA
GetProcAddress
GetProcessHeap
GetStdHandle
GetTempPathA
GetTickCount
GetTimeFormatA
GetVersionExA
GlobalAlloc
HeapAlloc
HeapFree
HeapReAlloc
IsDBCSLeadByte
LoadLibraryA
LocalFileTimeToFileTime
MoveFileA
MoveFileExA
MultiByteToWideChar
ReadFile
SetCurrentDirectoryA
SetEndOfFile
SetEnvironmentVariableA
SetFileAttributesA
SetFileAttributesW
SetFilePointer
SetFileTime
SetLastError
Sleep
SystemTimeToFileTime
WaitForSingleObject
WideCharToMultiByte
WriteFile
lstrcmpiA
lstrlenA
comctl32
ord17
comdlg32
CommDlgExtendedError
GetOpenFileNameA
GetSaveFileNameA
gdi32
DeleteObject
shell32
SHBrowseForFolderA
SHChangeNotify
SHFileOperationA
SHGetFileInfoA
SHGetMalloc
SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
user32
CharToOemA
CharToOemBuffA
CharUpperA
CopyRect
CreateWindowExA
DefWindowProcA
DestroyIcon
DestroyWindow
DialogBoxParamA
DispatchMessageA
EnableWindow
EndDialog
FindWindowExA
GetClassNameA
GetClientRect
GetDlgItem
GetDlgItemTextA
GetMessageA
GetParent
GetSysColor
GetSystemMetrics
GetWindow
GetWindowLongA
GetWindowRect
GetWindowTextA
IsWindow
IsWindowVisible
LoadBitmapA
LoadCursorA
LoadIconA
LoadStringA
MapWindowPoints
MessageBoxA
OemToCharA
OemToCharBuffA
PeekMessageA
PostMessageA
RegisterClassExA
SendDlgItemMessageA
SendMessageA
SetDlgItemTextA
SetFocus
SetMenu
SetWindowLongA
SetWindowPos
SetWindowTextA
ShowWindow
TranslateMessage
UpdateWindow
WaitForInputIdle
wsprintfA
wvsprintfA
ole32
CLSIDFromString
CoCreateInstance
CreateStreamOnHGlobal
OleInitialize
OleUninitialize
Sections
.text Size: 78KB - Virtual size: 80KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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使用技巧集萃.txt
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新云软件.url.url