Behavioral task
behavioral1
Sample
2a7f131c344009545ede24b5692c14cdebf3d1e8a64b952ebd55b5cef226c6be.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2a7f131c344009545ede24b5692c14cdebf3d1e8a64b952ebd55b5cef226c6be.exe
Resource
win10v2004-20240802-en
General
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Target
fdb0779fdc0c80e32dd84fb0ca3d80bdf006e168b5b34057c91e143ccf49cb9f
-
Size
4.0MB
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MD5
af56343a79d0f3ab6d88641a882cef98
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SHA1
87a0d38d955c9e762c999032141e150a01deceb8
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SHA256
fdb0779fdc0c80e32dd84fb0ca3d80bdf006e168b5b34057c91e143ccf49cb9f
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SHA512
9d7177c7567a7aac656aa29e5b5b4ae4a8c18a557dcfc39531734c721256edd17ed4fd0f41a3728336494b3d030df43f5f0cde3828896973d8add923bfc96e04
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SSDEEP
98304:niJFkuZ8l1T0js/ZAm2XwqS86SVQXsGD9NRZ3aA:niJFkAE1T1umhqS8h6sq9f
Malware Config
Extracted
thunderkittystealer
https://api.telegram.org/bot7364571482:AAFdwAQ_VRjQjU4IwkHUYPWJz0U2kv9tGXs/sendMessage?chat_id=6344564712
Signatures
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Thunderkittystealer family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/2a7f131c344009545ede24b5692c14cdebf3d1e8a64b952ebd55b5cef226c6be
Files
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fdb0779fdc0c80e32dd84fb0ca3d80bdf006e168b5b34057c91e143ccf49cb9f.zip
Password: infected
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2a7f131c344009545ede24b5692c14cdebf3d1e8a64b952ebd55b5cef226c6be.exe windows:6 windows x64 arch:x64
c2d457ad8ac36fc9f18d45bffcd450c2
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
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler
Sections
.text Size: 4.6MB - Virtual size: 4.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4.1MB - Virtual size: 4.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 384KB - Virtual size: 970KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 107KB - Virtual size: 107KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 60KB - Virtual size: 59KB
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