Mailshell_antispam_US[.]exe

Sharing

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General

Target

Mailshell_antispam_US.exe
Size

3.6MB
MD5

bbc6b6dbe6688bf1c53024c97c0ad97e
SHA1

1ef23747254e188999b725384a2c76d0b3714e9c
SHA256

e25571ade3d0ea1574f006c8b25182a058182bef1afb68297aad7168c779a673
SHA512

b8cab2729e1c1cd99036afbe8176a33b4854e305e2b3293e3d76b629ba5b53fcd0a6f4e0e065e050bd02543a55464fcf5261f00636157d1d5ba837bb63e2a62f
SSDEEP

98304:IoqDfW2qBEAlF/AVKdlpir/NgKm/nOP58cn98zsU:zqDVqBE+F/AVslpulknOP58cnON

Score

N/A

Malware Config

Signatures

Files

Mailshell_antispam_US.exe
.exe windows x86

78c751010579c51cdad3f096a3cbcc97

Code Sign

01
Certificate

Issuer

CN=Thawte 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=#0c177365727665722d6365727473407468617774652e636f6d

Not Before

01/08/1996, 00:00

Not After

31/12/2020, 23:59

Subject

CN=Thawte 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=#0c177365727665722d6365727473407468617774652e636f6d

3d:29:0e
Certificate

Issuer

CN=Thawte 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=#0c177365727665722d6365727473407468617774652e636f6d

Not Before

02/09/2003, 14:17

Not After

26/08/2004, 20:25

Subject

CN=Gozoom.com Inc.,OU=Development,O=Gozoom.com Inc.,L=Santa Clara,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

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

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

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

Imports

shell32

ShellExecuteA
FindExecutableA

user32

CharNextA
DefWindowProcA
GetWindowWord
SetWindowWord
BeginPaint
GetSysColor
GetClientRect
SetRect
EndPaint
RegisterClassA
OemToCharBuffA
LoadCursorA
GetLastActivePopup
ShowWindow
PostMessageA
EnableWindow
DestroyWindow
SetWindowTextA
SetForegroundWindow
SetActiveWindow
GetWindowRect
SetTimer
KillTimer
DialogBoxIndirectParamA
GetDlgItemTextA
EndDialog
SendMessageA
GetKeyState
PeekMessageA
TranslateMessage
DispatchMessageA
GetParent
SetDlgItemTextA
SendDlgItemMessageA
GetDlgItem
InvalidateRect
UpdateWindow
wsprintfA
MessageBoxA
SetCursor
GetSystemMetrics
SetWindowPos

kernel32

CreateDirectoryA
_lclose
_lopen
GlobalUnlock
RtlUnwind
GetCommandLineA
GetModuleHandleA
ExitProcess
GetACP
GetModuleFileNameA
SetErrorMode
GetVersion
LoadLibraryA
GetProcAddress
FreeLibrary
lstrcmpiA
GetWindowsDirectoryA
GetEnvironmentVariableA
LocalAlloc
LocalFree
GlobalHandle
lstrcpyA
GlobalFree
GlobalAlloc
GlobalLock
WinExec
_llseek
GetDriveTypeA
_lread
_lwrite
GetVolumeInformationA
FindClose
FindFirstFileA
GetCurrentDirectoryA
SetCurrentDirectoryA
lstrlenA
lstrcatA
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
_lcreat

gdi32

GetBkColor
SetBkColor
SetTextColor
SetTextAlign
DeleteObject
GetTextExtentPoint32A
ExtTextOutA
CreateDCA
GetDeviceCaps
CreateFontIndirectA
DeleteDC
SelectObject

advapi32

RegQueryValueA

Sections

.text
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_winzip_
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

78c751010579c51cdad3f096a3cbcc97

Code Sign

01Certificate

3d:29:0eCertificate

Extended Key Usages

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

Signer

Headers

File Characteristics

Imports

shell32

user32

kernel32

gdi32

advapi32

Sections

.text Size: 18KB - Virtual size: 18KB

.rdata Size: 3KB - Virtual size: 2KB

.data Size: 3KB - Virtual size: 5KB

.rsrc Size: 1KB - Virtual size: 1KB

_winzip_ Size: 3.5MB - Virtual size: 3.5MB

01
Certificate

3d:29:0e
Certificate

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

.text
Size: 18KB - Virtual size: 18KB

.rdata
Size: 3KB - Virtual size: 2KB

.data
Size: 3KB - Virtual size: 5KB

.rsrc
Size: 1KB - Virtual size: 1KB

_winzip_
Size: 3.5MB - Virtual size: 3.5MB