CHTBRKR.pdb
Static task
static1
Behavioral task
behavioral1
Sample
chtbrkr.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
chtbrkr.dll
Resource
win10v2004-20240508-en
General
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Target
chtbrkr.dll
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Size
5.8MB
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MD5
fb798295e0483218be8b4f6f17b5cdfe
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SHA1
c62c13399f1cd7973e0349e562918b31494f8f3c
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SHA256
5231954ed20ff8611d6f3f91711f46f1fc1ea6d3475eb414e2b4e91a9bce59c0
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SHA512
7cc1c103be60b98485b016dbf2e767f9dd07f3d5206f9a26472959541e5f24dad6d139fb15d1db6b3ecc3c6b7978548d3b32551589c97ba4569c86aa576eb9fb
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SSDEEP
12288:USlDRHb5aAakAbp5So4VUJKkE1vWcJIZo53VlFFllll5ClyF4iPIgX:/p9b5aA4bnSoiGYh7Fllllv0
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource chtbrkr.dll
Files
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chtbrkr.dll.dll regsvr32 windows:6 windows x86 arch:x86
4e18fd5f2f8877cb4c95c4a2b0c03877
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
PDB Paths
Imports
msvcrt
??1type_info@@UAE@XZ
_amsg_exit
_initterm
free
malloc
_XcptFilter
__CxxFrameHandler
qsort
_wfopen
fseek
fgetws
fclose
bsearch
memset
memcpy
??2@YAPAXI@Z
??3@YAXPAX@Z
kernel32
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
RtlUnwind
InterlockedCompareExchange
Sleep
InterlockedExchange
HeapDestroy
HeapCreate
FindResourceW
FindResourceA
LoadResource
LockResource
lstrlenW
GetProcessHeap
HeapAlloc
HeapReAlloc
HeapFree
FreeLibrary
GetModuleFileNameW
GetFullPathNameW
LoadLibraryW
GetProcAddress
InterlockedIncrement
InterlockedDecrement
GetSystemDefaultLCID
GetStringTypeW
GetACP
WideCharToMultiByte
GetStringTypeExA
GetLastError
GetVersionExA
SetUnhandledExceptionFilter
advapi32
RegSetValueExW
RegCloseKey
RegDeleteKeyW
RegOpenKeyExW
ole32
StringFromGUID2
Exports
Exports
CreateLexInstance
CreateMyProperNounInstance
CreateMyRuleLexInstance
CreateSmartLexInstance
CreateTermLearnInstance
CreateWBInstance
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
Sections
.text Size: 107KB - Virtual size: 107KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ