2023-1392 Martin y Ruiz Recambio Surtekpdf[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

2023-1392 Martin y Ruiz Recambio Surtekpdf.exe
Size

428KB
MD5

48ab7402e9d137bcaccabca68d6cf974
SHA1

46750c2acb50749b02b3af254811e208cb27a5ea
SHA256

1eda4f6192ed3adefa6f5101d8812d644e6d1b185c03f0196b55e87ffbda5b10
SHA512

72651d4fad3b4196a130d71d3c7e4e45a90610a11b7439e9202b2a2689d02d0d7a5c9aae00269f45ab59d39847c2996c533baa1629a3e4e1f72c2c0ed2ebe161
SSDEEP

12288:C0aI/fMhyDZOVJh6MPbWUKc7/8omMZ8LliOP+r:C0qAZW6SxdmMZ8Q

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsExec.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

2023-1392 Martin y Ruiz Recambio Surtekpdf.exe
.exe windows:4 windows x86 arch:x86

671f2a1f8aee14d336bab98fea93d734

Code Sign

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54
Certificate

Issuer

CN=Skridtgangs,OU=Udviklingsbistand Birkelunden Postiques\ ,O=Skridtgangs,L=Albuquerque,ST=New Mexico,C=US,1.2.840.113549.1.9.1=#0c1d5961686f6f646f6d40557061616c6964656c6967686564656e2e4b6f6f

Not Before

17/11/2023, 08:35

Not After

16/11/2026, 08:35

Subject

CN=Skridtgangs,OU=Udviklingsbistand Birkelunden Postiques\ ,O=Skridtgangs,L=Albuquerque,ST=New Mexico,C=US,1.2.840.113549.1.9.1=#0c1d5961686f6f646f6d40557061616c6964656c6967686564656e2e4b6f6f

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54
Certificate

Issuer

CN=Skridtgangs,OU=Udviklingsbistand Birkelunden Postiques\ ,O=Skridtgangs,L=Albuquerque,ST=New Mexico,C=US,1.2.840.113549.1.9.1=#0c1d5961686f6f646f6d40557061616c6964656c6967686564656e2e4b6f6f

Not Before

17/11/2023, 08:35

Not After

16/11/2026, 08:35

Subject

CN=Skridtgangs,OU=Udviklingsbistand Birkelunden Postiques\ ,O=Skridtgangs,L=Albuquerque,ST=New Mexico,C=US,1.2.840.113549.1.9.1=#0c1d5961686f6f646f6d40557061616c6964656c6967686564656e2e4b6f6f

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

fd:ae:45:b5:88:17:80:f6:d7:87:c7:d6:57:44:88:73:01:29:b4:4f:d3:24:c8:16:fb:23:a3:89:ed:03:62:7b
Signer

Actual PE Digest

fd:ae:45:b5:88:17:80:f6:d7:87:c7:d6:57:44:88:73:01:29:b4:4f:d3:24:c8:16:fb:23:a3:89:ed:03:62:7b

Digest Algorithm

sha256

PE Digest Matches

true

fe:5c:0c:23:39:37:6f:7e:97:d9:7e:3f:09:b6:7d:a7:62:39:12:d5
Signer

Actual PE Digest

fe:5c:0c:23:39:37:6f:7e:97:d9:7e:3f:09:b6:7d:a7:62:39:12:d5

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
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

Imports

advapi32

RegEnumValueA
RegEnumKeyA
RegQueryValueExA
RegSetValueExA
RegCloseKey
RegDeleteValueA
RegDeleteKeyA
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegOpenKeyExA
RegCreateKeyExA

shell32

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA
ShellExecuteExA

ole32

OleUninitialize
OleInitialize
IIDFromString
CoCreateInstance
CoTaskMemFree

comctl32

ImageList_Destroy
ord17
ImageList_AddMasked
ImageList_Create

user32

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

gdi32

GetDeviceCaps
SetBkColor
SelectObject
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor

kernel32

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

Sections

.text
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 148KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 88KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

240ca92ecc1c291801c451c447e16c12

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GlobalAlloc
GlobalFree
GlobalSize
lstrcpynA
lstrcpyA
GetProcAddress
VirtualFree
FreeLibrary
lstrlenA
LoadLibraryA
GetModuleHandleA
MultiByteToWideChar
WideCharToMultiByte
VirtualAlloc
VirtualProtect
GetLastError

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store
StrAlloc

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 867B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 654B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/nsExec.dll
.dll windows:4 windows x86 arch:x86

9076fa7961baeaeda0746cb0928f486a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

advapi32

InitializeSecurityDescriptor
SetSecurityDescriptorDacl

user32

CharNextA
OemToCharBuffA
SendMessageA
CharNextExA
CharPrevA
FindWindowExA
wsprintfA

kernel32

GetCommandLineA
lstrcpynA
ExitProcess
GetCurrentProcess
GetModuleHandleA
GetProcAddress
Sleep
TerminateProcess
GlobalReAlloc
ReadFile
PeekNamedPipe
GetExitCodeProcess
WaitForSingleObject
GetTickCount
lstrcpyA
CreateProcessA
GetStartupInfoA
CreatePipe
GetVersion
DeleteFileA
lstrcmpiA
lstrlenA
lstrcatA
CloseHandle
UnmapViewOfFile
MapViewOfFile
CreateFileMappingA
CreateFileA
CopyFileA
GetTempFileNameA
GlobalFree
GlobalAlloc
GetModuleFileNameA

Exports

Exports

Exec
ExecToLog
ExecToStack

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 434B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Dweeble.lyn
Klevinkel/Quondam.kir
Klevinkel/Uncropt192.Coe
Klevinkel/bjergnder.sor
Klevinkel/familiefdre.mos
Klevinkel/interhybridizes.ind
Klevinkel/jurisdiktion.sar
Klevinkel/slbemaalets.tza
Klevinkel/spermatozoers.txt
eidola.Esc

Sharing

General

Malware Config

Signatures

Files

671f2a1f8aee14d336bab98fea93d734

Code Sign

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54Certificate

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

fd:ae:45:b5:88:17:80:f6:d7:87:c7:d6:57:44:88:73:01:29:b4:4f:d3:24:c8:16:fb:23:a3:89:ed:03:62:7bSigner

fe:5c:0c:23:39:37:6f:7e:97:d9:7e:3f:09:b6:7d:a7:62:39:12:d5Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 26KB - Virtual size: 25KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 148KB

.ndata Size: - Virtual size: 88KB

.rsrc Size: 20KB - Virtual size: 19KB

240ca92ecc1c291801c451c447e16c12

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 1024B - Virtual size: 867B

.data Size: 512B - Virtual size: 104B

.reloc Size: 1024B - Virtual size: 654B

9076fa7961baeaeda0746cb0928f486a

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

user32

kernel32

Exports

Exports

Sections

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

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

.data Size: 512B - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 434B

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54
Certificate

38:07:bd:ea:bc:c4:08:ad:41:ab:08:28:0f:72:ed:f6:2d:9f:d1:54
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

fd:ae:45:b5:88:17:80:f6:d7:87:c7:d6:57:44:88:73:01:29:b4:4f:d3:24:c8:16:fb:23:a3:89:ed:03:62:7b
Signer

fe:5c:0c:23:39:37:6f:7e:97:d9:7e:3f:09:b6:7d:a7:62:39:12:d5
Signer

.text
Size: 26KB - Virtual size: 25KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 148KB

.ndata
Size: - Virtual size: 88KB

.rsrc
Size: 20KB - Virtual size: 19KB

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 1024B - Virtual size: 867B

.data
Size: 512B - Virtual size: 104B

.reloc
Size: 1024B - Virtual size: 654B

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

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

.data
Size: 512B - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 434B