lync[.]exe | Triage

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General

Target

lync.exe
Size

2.4MB
MD5

3a44db202809cc1aa19ae9a15cb27a09
SHA1

5d3938d049a56c73859381bc135753ee15f0ee43
SHA256

1151765212adc8560b0ef2910fcc66ec95dd4882fa1f4e9843b7f2ce9520efa6
SHA512

faad42b9b2ca53c7772a9ea4538252ef24d32fa697e2fdd2a1b1678bbafe24b1893432b77afae88e3990cf3e5ca066f8be4694f55e22be260097519f23c6c354
SSDEEP

49152:TJJVWl3girb/TUvO90d7HjmAFd4A64nsfJjH80yjsCBgAoq2CBJBD14:ol3lIQgBu

Score

1^/10

Malware Config

Signatures

Files

lync.exe
.exe windows x64

9cbefe68f395e67356e2a5d8d1b285c0

Code Sign

04:6f:d3:84:f6:68:37:9c:cb:e5:5a:ac:e7:85:b6:27:b8:52
Certificate

Issuer

CN=R3

Not Before

22/04/2023, 10:17

Not After

21/07/2023, 10:17

Subject

CN=acme.com

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign

ab:a7:75:9e:94:cc:3e:06:66:8b:3a:b7:74:37:34:8d:db:a0:62:63:33:5b:0c:6f:f0:0a:29:43:82:f7:7c:54
Signer

Actual PE Digest

ab:a7:75:9e:94:cc:3e:06:66:8b:3a:b7:74:37:34:8d:db:a0:62:63:33:5b:0c:6f:f0:0a:29:43:82:f7:7c:54

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 899KB - Virtual size: 898KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 99KB - Virtual size: 464KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9cbefe68f395e67356e2a5d8d1b285c0

Code Sign

04:6f:d3:84:f6:68:37:9c:cb:e5:5a:ac:e7:85:b6:27:b8:52Certificate

Extended Key Usages

Key Usages

ab:a7:75:9e:94:cc:3e:06:66:8b:3a:b7:74:37:34:8d:db:a0:62:63:33:5b:0c:6f:f0:0a:29:43:82:f7:7c:54Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 899KB - Virtual size: 898KB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 99KB - Virtual size: 464KB

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

.reloc Size: 16KB - Virtual size: 16KB

.symtab Size: 512B - Virtual size: 4B

.rsrc Size: 22KB - Virtual size: 22KB

04:6f:d3:84:f6:68:37:9c:cb:e5:5a:ac:e7:85:b6:27:b8:52
Certificate

ab:a7:75:9e:94:cc:3e:06:66:8b:3a:b7:74:37:34:8d:db:a0:62:63:33:5b:0c:6f:f0:0a:29:43:82:f7:7c:54
Signer

.text
Size: 899KB - Virtual size: 898KB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 99KB - Virtual size: 464KB

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

.reloc
Size: 16KB - Virtual size: 16KB

.symtab
Size: 512B - Virtual size: 4B

.rsrc
Size: 22KB - Virtual size: 22KB