REGX[.]exe | Triage

Sharing

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General

Target

REGX.exe
Size

1.4MB
MD5

01cc2fd59664e02c9fc302a1f8df08d1
SHA1

2fe698a7308a9c7a0ef19f7fa32ef17e9df67f1a
SHA256

1f9873f0596e221d1de53adc8a72815b9745a6969b89cd11b1d83f8009de4289
SHA512

4b21fcbadf47fc3006b400a9e85de69288bfc3923094cef5bca3054f0fbbb7a28de419d62c283de25d53870fb61b9480de61f970ed59fd2fb0f102457d9b1371
SSDEEP

24576:PSv4bgcPDiHmM4xTDUU+osu+ABcN8TU7jqnFQW58zHDBTj2HGzSxNoo53SG:dPDiHm/xPUAP50tj0FQW+yHGGxNooP

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

REGX.exe
.exe windows x86

7fa974366048f9c551ef45714595665e

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07/06/2005, 08:09

Not After

30/05/2020, 10:48

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

10/05/2010, 00:00

Not After

10/05/2015, 23:59

Subject

CN=COMODO Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

24/08/2011, 00:00

Not After

30/05/2020, 10:48

Subject

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

74:b1:7f:d1:63:c1:a0:90:5e:36:be:ef:f7:1c:ef:38
Certificate

Issuer

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

05/12/2012, 00:00

Not After

05/12/2015, 23:59

Subject

CN=DC Software Design\, Inc.,O=DC Software Design\, Inc.,POSTALCODE=94566,STREET=239 Main St. Suite E,L=Pleasanton,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

5a:c5:8c:de:b8:01:9a:36:e8:ce:5e:53:6e:18:3d:b1:07:5c:19:a6
Signer

Actual PE Digest

5a:c5:8c:de:b8:01:9a:36:e8:ce:5e:53:6e:18:3d:b1:07:5c:19:a6

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=DC Software Design\, Inc.,O=DC Software Design\, Inc.,POSTALCODE=94566,STREET=239 Main St. Suite E,L=Pleasanton,ST=CA,C=US

31/12/2012, 17:20
Valid: false

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

Imports

kernel32

CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
GetWindowsDirectoryA
SetFileTime
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
lstrlenA
lstrcatA
GetSystemDirectoryA
GetVersion
CloseHandle
lstrcmpiA
lstrcmpA
ExpandEnvironmentStringsA
GlobalFree
GlobalAlloc
WaitForSingleObject
GetExitCodeProcess
GetModuleHandleA
LoadLibraryExA
GetProcAddress
FreeLibrary
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
WriteFile
ReadFile
MulDiv
SetFilePointer
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA

user32

EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
OpenClipboard
ExitWindowsEx
IsWindow
GetDlgItem
SetWindowLongA
LoadImageA
GetDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndPaint
ShowWindow

gdi32

SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject

shell32

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:beCertificate

Extended Key Usages

Key Usages

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bbCertificate

Extended Key Usages

Key Usages

74:b1:7f:d1:63:c1:a0:90:5e:36:be:ef:f7:1c:ef:38Certificate

Extended Key Usages

Key Usages

5a:c5:8c:de:b8:01:9a:36:e8:ce:5e:53:6e:18:3d:b1:07:5c:19:a6Signer

Signature Validations

Verification

31/12/2012, 17:20 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 22KB - Virtual size: 22KB

.rdata Size: 4KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 107KB

.ndata Size: - Virtual size: 40KB

.rsrc Size: 8KB - Virtual size: 7KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

74:b1:7f:d1:63:c1:a0:90:5e:36:be:ef:f7:1c:ef:38
Certificate

5a:c5:8c:de:b8:01:9a:36:e8:ce:5e:53:6e:18:3d:b1:07:5c:19:a6
Signer

31/12/2012, 17:20
Valid: false

.text
Size: 22KB - Virtual size: 22KB

.rdata
Size: 4KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 107KB

.ndata
Size: - Virtual size: 40KB

.rsrc
Size: 8KB - Virtual size: 7KB