loader[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

loader.exe
Size

259KB
MD5

e2e26338fa29d3a7d8279bef0ce77280
SHA1

679c756581c2cdcb706d1404fdb04764dc74d27b
SHA256

96a71521d5ea854af913858d4619259b385a9fc69a39650aa0b411a955d37ed6
SHA512

2472c17978bb2838ceeab37544135a53ae9b90b51566c686980fe2e6b0f8979c175ce0dbcda40f8896d4e203492bc0c54e949581193c9bc53483bfeb5ff9f5de
SSDEEP

3072:Ln6+WJPalMSSyWZNm81832JfbqK9RiOHLHba2HtjmwTI5Z/1qSj0MXHiTpVn:Ln6JJPalXiT1/qK9RVHLHb8oRfV7

Score

1^/10

Malware Config

Signatures

Files

loader.exe
.exe windows x86

b5a3fed1fa478a521df07472d5a7b200

Code Sign

33:00:00:02:cc:8e:b5:96:a6:bd:d1:c9:4e:00:00:00:00:02:cc
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/05/2022, 20:46

Not After

11/05/2023, 20:46

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b3:ba:dd:05:95:67:08:df:bb:62:1e:e2:ac:04:87:46:64:52:2a:f5:a9:11:cf:53:23:05:68:e2:a0:8a:69:85
Signer

Actual PE Digest

b3:ba:dd:05:95:67:08:df:bb:62:1e:e2:ac:04:87:46:64:52:2a:f5:a9:11:cf:53:23:05:68:e2:a0:8a:69:85

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

27/02/2023, 09:31
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetProcAddress
GetModuleHandleA
AddAtomW
FreeConsole
HeapSize
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
GetCommandLineA
SetUnhandledExceptionFilter
GetModuleHandleW
Sleep
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
HeapCreate
VirtualFree
HeapFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
IsDebuggerPresent
LeaveCriticalSection
EnterCriticalSection
LoadLibraryA
InitializeCriticalSectionAndSpinCount
HeapAlloc
VirtualAlloc
HeapReAlloc
RtlUnwind
LCMapStringA
MultiByteToWideChar
LCMapStringW

user32

GetDlgItemTextA
SendMessageA
GetCursorPos
TrackPopupMenu
ClientToScreen
DestroyMenu
CreatePopupMenu
AppendMenuA
SendDlgItemMessageA
GetDlgItem
SetParent
SetActiveWindow

Sections

.text
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 176KB - Virtual size: 179KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b5a3fed1fa478a521df07472d5a7b200

Code Sign

33:00:00:02:cc:8e:b5:96:a6:bd:d1:c9:4e:00:00:00:00:02:ccCertificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

b3:ba:dd:05:95:67:08:df:bb:62:1e:e2:ac:04:87:46:64:52:2a:f5:a9:11:cf:53:23:05:68:e2:a0:8a:69:85Signer

Signature Validations

Verification

27/02/2023, 09:31 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 60KB - Virtual size: 60KB

.rdata Size: 10KB - Virtual size: 9KB

.data Size: 176KB - Virtual size: 179KB

.rsrc Size: 2KB - Virtual size: 1KB

33:00:00:02:cc:8e:b5:96:a6:bd:d1:c9:4e:00:00:00:00:02:cc
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

b3:ba:dd:05:95:67:08:df:bb:62:1e:e2:ac:04:87:46:64:52:2a:f5:a9:11:cf:53:23:05:68:e2:a0:8a:69:85
Signer

27/02/2023, 09:31
Valid: false

.text
Size: 60KB - Virtual size: 60KB

.rdata
Size: 10KB - Virtual size: 9KB

.data
Size: 176KB - Virtual size: 179KB

.rsrc
Size: 2KB - Virtual size: 1KB