rekstre[.]exe | Triage

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General

Target

rekstre.exe
Size

647KB
MD5

b0bdc2d7756aad38406f6ddf9ae3627b
SHA1

93a18f223fc3cfd74a67575df627d20cf298bcd2
SHA256

da88700367e753731c75debb57ef0ff6b8c11100eabd492ba9a212525d19823b
SHA512

c196891874c6eb2aee5d7241d00b8e5a94ee2c4daf6c0157fac03cfab5f84b9c636a01ce5cdd3c424c913aa0affb676be6f9e3907ee3102e2809f8b17331b870
SSDEEP

12288:ebV7K1f4pvNYYD7TabeslVSLuPbyRtw5mO/2tnVKt2fGnd:ebV7K1f4pv+YD3abeslVSLuPbyRt3Oe

Score

1^/10

Malware Config

Signatures

Files

rekstre.exe
.exe windows x86

56a78d55f3f7af51443e58e0ce2fb5f6

Code Sign

79:36:41:36:f7:a6:57:fe:cc:dd:9e:7d:24:ed:a7:9d:e3:a4:38:79
Certificate

Issuer

OU=Vandskyende Broncobustings\ ,O=Mico,L=Belrupt-en-Verdunois,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1d46656a6c736c75746e696e67657240496d70657269616c697a652e546f

Not Before

20/12/2022, 10:24

Not After

19/12/2025, 10:24

Subject

OU=Vandskyende Broncobustings\ ,O=Mico,L=Belrupt-en-Verdunois,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1d46656a6c736c75746e696e67657240496d70657269616c697a652e546f

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30
Certificate

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

28/07/2022, 08:56

Not After

27/07/2033, 08:56

Subject

CN=Certum Timestamp 2022,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31/05/2021, 06:43

Not After

17/09/2029, 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

84:10:52:ba:d6:08:05:57:70:15:77:7b:ef:0e:70:06:06:fb:aa:da:60:48:cb:90:9a:d7:a0:e4:34:9d:64:b0
Signer

Actual PE Digest

84:10:52:ba:d6:08:05:57:70:15:77:7b:ef:0e:70:06:06:fb:aa:da:60:48:cb:90:9a:d7:a0:e4:34:9d:64:b0

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=Vandskyende Broncobustings\ ,O=Mico,L=Belrupt-en-Verdunois,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1d46656a6c736c75746e696e67657240496d70657269616c697a652e546f

27/02/2023, 09:30
Valid: false

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

RegCreateKeyExW
RegEnumKeyW
RegQueryValueExW
RegSetValueExW
RegCloseKey
RegDeleteValueW
RegDeleteKeyW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
SetFileSecurityW
RegOpenKeyExW
RegEnumValueW

shell32

SHGetSpecialFolderLocation
SHFileOperationW
SHBrowseForFolderW
SHGetPathFromIDListW
ShellExecuteExW
SHGetFileInfoW

ole32

OleInitialize
OleUninitialize
CoCreateInstance
IIDFromString
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

GetClientRect
EndPaint
DrawTextW
IsWindowEnabled
DispatchMessageW
wsprintfA
CharNextA
CharPrevW
MessageBoxIndirectW
GetDlgItemTextW
SetDlgItemTextW
GetSystemMetrics
FillRect
AppendMenuW
TrackPopupMenu
OpenClipboard
SetClipboardData
CloseClipboard
IsWindowVisible
CallWindowProcW
GetMessagePos
CheckDlgButton
LoadCursorW
SetCursor
GetSysColor
SetWindowPos
GetWindowLongW
PeekMessageW
SetClassLongW
GetSystemMenu
EnableMenuItem
GetWindowRect
ScreenToClient
EndDialog
RegisterClassW
SystemParametersInfoW
CreateWindowExW
GetClassInfoW
DialogBoxParamW
CharNextW
ExitWindowsEx
DestroyWindow
CreateDialogParamW
SetTimer
SetWindowTextW
PostQuitMessage
SetForegroundWindow
ShowWindow
wsprintfW
SendMessageTimeoutW
FindWindowExW
IsWindow
GetDlgItem
SetWindowLongW
LoadImageW
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageW
DefWindowProcW
BeginPaint
EmptyClipboard
CreatePopupMenu

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectW
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

GetExitCodeProcess
WaitForSingleObject
GetModuleHandleA
GetProcAddress
GetSystemDirectoryW
lstrcatW
Sleep
lstrcpyA
WriteFile
GetTempFileNameW
CreateFileW
lstrcmpiA
RemoveDirectoryW
CreateProcessW
CreateDirectoryW
GetLastError
CreateThread
GlobalLock
GlobalUnlock
GetDiskFreeSpaceW
WideCharToMultiByte
lstrcpynW
lstrlenW
SetErrorMode
GetVersionExW
GetCommandLineW
GetTempPathW
GetWindowsDirectoryW
SetEnvironmentVariableW
CopyFileW
ExitProcess
GetCurrentProcess
GetModuleFileNameW
GetFileSize
GetTickCount
MulDiv
SetFileAttributesW
GetFileAttributesW
SetCurrentDirectoryW
MoveFileW
GetFullPathNameW
GetShortPathNameW
SearchPathW
CompareFileTime
SetFileTime
CloseHandle
lstrcmpiW
lstrcmpW
ExpandEnvironmentStringsW
GlobalFree
GlobalAlloc
GetModuleHandleW
LoadLibraryExW
MoveFileExW
FreeLibrary
WritePrivateProfileStringW
GetPrivateProfileStringW
lstrlenA
MultiByteToWideChar
ReadFile
SetFilePointer
FindClose
FindNextFileW
FindFirstFileW
DeleteFileW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 160KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 399KB - Virtual size: 399KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

56a78d55f3f7af51443e58e0ce2fb5f6

Code Sign

79:36:41:36:f7:a6:57:fe:cc:dd:9e:7d:24:ed:a7:9d:e3:a4:38:79Certificate

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30Certificate

Extended Key Usages

Key Usages

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87Certificate

Extended Key Usages

Key Usages

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27Certificate

Key Usages

84:10:52:ba:d6:08:05:57:70:15:77:7b:ef:0e:70:06:06:fb:aa:da:60:48:cb:90:9a:d7:a0:e4:34:9d:64:b0Signer

Signature Validations

Verification

27/02/2023, 09:30 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

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

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

.data Size: 1KB - Virtual size: 172KB

.ndata Size: - Virtual size: 160KB

.rsrc Size: 399KB - Virtual size: 399KB

79:36:41:36:f7:a6:57:fe:cc:dd:9e:7d:24:ed:a7:9d:e3:a4:38:79
Certificate

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30
Certificate

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

84:10:52:ba:d6:08:05:57:70:15:77:7b:ef:0e:70:06:06:fb:aa:da:60:48:cb:90:9a:d7:a0:e4:34:9d:64:b0
Signer

27/02/2023, 09:30
Valid: false

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

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

.data
Size: 1KB - Virtual size: 172KB

.ndata
Size: - Virtual size: 160KB

.rsrc
Size: 399KB - Virtual size: 399KB