Loader[.]exe | Triage

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General

Target

Loader.exe
Size

431KB
MD5

c56ced7d874b7db18e64354ef0edf42e
SHA1

6c3b8fd4f489365369d4c8d7180070841fb8fc67
SHA256

f829e743f67bba89422aaef3571cc789a2cfffa27a3c4785dfe29a1e849a940b
SHA512

16784b92a26fe88c0b3b5c8eb1fdc0d6b0e1213f1f4844e4ee1ee7c831ce446b79bf2022434693e3fca38e5494a1a9a684cc374eb8349efb68c5a608ca49922e
SSDEEP

6144:AmR04i2TVQUhLyDVz+ZCNmunzqq/hrVvnVkGi9Gt/rsy/gTaFfMF9g3b5cNeR7:Hyb2WUhCRKOdVvnV1i9O/rf4s89grIU7

Score

1^/10

Malware Config

Signatures

Files

Loader.exe
.exe windows x86

9ccce235b0948e702108d60e5a6f9990

Code Sign

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cd
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

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7c
Certificate

Issuer

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

Not Before

17/02/2017, 00:12

Not After

31/12/2039, 23:59

Subject

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71
Signer

Actual PE Digest

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=C2RService,O=C2RService,L=Redmond,ST=Washington,C=US

23/03/2023, 16:17
Valid: false

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71
Signer

Actual PE Digest

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71

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

23/03/2023, 16:17
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

FreeConsole
MultiByteToWideChar
GetModuleHandleA
GetProcAddress
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
HeapAlloc
RaiseException
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
IsDebuggerPresent
LeaveCriticalSection
EnterCriticalSection
LoadLibraryA
InitializeCriticalSectionAndSpinCount
VirtualAlloc
HeapReAlloc
RtlUnwind
HeapSize
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA

user32

GetDC

gdi32

CreateFontIndirectA
SelectObject
SetTextColor

ole32

CoImpersonateClient

Sections

.text
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 347KB - Virtual size: 350KB

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

Sharing

General

Malware Config

Signatures

Files

9ccce235b0948e702108d60e5a6f9990

Code Sign

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cdCertificate

Extended Key Usages

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

Key Usages

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7cCertificate

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71Signer

Signature Validations

Verification

23/03/2023, 16:17 Valid: false

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71Signer

Signature Validations

Verification

23/03/2023, 16:17 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

ole32

Sections

.text Size: 49KB - Virtual size: 49KB

.rdata Size: 12KB - Virtual size: 12KB

.data Size: 347KB - Virtual size: 350KB

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

33:00:00:02:cd:f3:64:bf:f8:d4:4c:5d:51:00:00:00:00:02:cd
Certificate

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

15:e2:29:fe:14:35:70:74:b6:6a:98:f8:0b:49:59:7c
Certificate

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71
Signer

23/03/2023, 16:17
Valid: false

9c:13:95:6e:79:2c:14:3a:41:8a:90:b4:09:74:73:68:53:af:e9:74:e6:fa:d4:6f:f9:7c:8e:22:e8:29:31:71
Signer

23/03/2023, 16:17
Valid: false

.text
Size: 49KB - Virtual size: 49KB

.rdata
Size: 12KB - Virtual size: 12KB

.data
Size: 347KB - Virtual size: 350KB

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