DllRegisterServer
Overview
overview
10Static
static
KL.lnk
windows7-x64
10KL.lnk
windows10-2004-x64
10tights/bitterly.cmd
windows7-x64
1tights/bitterly.cmd
windows10-2004-x64
1tights/semicolons.cmd
windows7-x64
1tights/semicolons.cmd
windows10-2004-x64
1tights/und...ed.dll
windows7-x64
10tights/und...ed.dll
windows10-2004-x64
10Static task
static1
Behavioral task
behavioral1
Sample
KL.lnk
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
KL.lnk
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
tights/bitterly.cmd
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
tights/bitterly.cmd
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
tights/semicolons.cmd
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
tights/semicolons.cmd
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
tights/undispensed.dll
Resource
win7-20220812-en
General
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Target
KL7955.iso
-
Size
926KB
-
MD5
04078e55db045425ea1fee0dd0a713b8
-
SHA1
c15787a7f040c359ed858cade5f0984e9e0523a3
-
SHA256
febb81c5cb03fa2a52de4a9ba31591373c4ca59ff5b374cfe7361b530eea0290
-
SHA512
f3ac8bf907782c1e517d63e84e6f209f03bbcb95d98ec49f3b708afdcb37b05d02f679fb326b07e335103f2db934abbf26fa56efee9b4a9e2714e7ec73396dee
-
SSDEEP
24576:wHmBwtHHHHHtYOzsw0ni5WwM2HAnC9egudy29ChzEomQ0Uw:9wtHHHHHtYOzsw0i5E2HAnCA1+FEomJ
Malware Config
Signatures
Files
-
KL7955.iso.iso .vbs
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KL.lnk.lnk
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tights/bitterly.cmd.cmd .vbs
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tights/britannic.jpg.jpg
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tights/interacts.png.png
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tights/outgun.txt
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tights/semicolons.cmd.cmd .vbs
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tights/sparkles.txt
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tights/undispensed.dat.dll regsvr32 windows x86
0ee02506e28d6ab342866f0848f25556
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
TryEnterCriticalSection
WaitNamedPipeA
CreateNamedPipeA
EnterCriticalSection
DeleteFiber
LockFile
LeaveCriticalSection
InitializeCriticalSection
GetCurrentDirectoryA
SwitchToFiber
CreateFileA
DeleteFileA
CloseHandle
GetProcAddress
DeleteCriticalSection
GetFileType
CreateFiber
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
WriteFile
GetLastError
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
SetStdHandle
IsDebuggerPresent
MultiByteToWideChar
SetLastError
SetFilePointerEx
WriteConsoleW
HeapAlloc
HeapFree
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
GetACP
IsValidCodePage
GetOEMCP
GetCPInfo
CreateFileW
GetStringTypeW
ExitProcess
GetModuleHandleExW
FlushFileBuffers
RtlUnwind
Exports
Exports
Sections
.text Size: 70KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 222KB - Virtual size: 221KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 121KB - Virtual size: 122KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ