Behavioral task
behavioral1
Sample
Guna.UI2.dll
Resource
win11-20231129-en
Behavioral task
behavioral2
Sample
Launcher.exe
Resource
win11-20231129-en
Behavioral task
behavioral3
Sample
addons/clean.exe
Resource
win11-20231129-en
Behavioral task
behavioral4
Sample
addons/x64.exe
Resource
win11-20231129-en
General
-
Target
KLN_MARKET.zip
-
Size
1.7MB
-
MD5
01ee7da20c542919667f3c5b08d00144
-
SHA1
baf918e5ff5076afbb004f466cb20da82960aff8
-
SHA256
d913a8b769f15f990535d033b50189f04378290cf0c44e58926980eae27459da
-
SHA512
4adcbaa9cf2fdb81244b01673d54773d32a17640f8add4116a51d1d8ff7f336650351e007b0a237820f40264663fd0de21bfcb0d0458e09e4320f1d6158094da
-
SSDEEP
49152:POT3E0wxGBedY5/b3U5gWAkkx/HZSBkjTuE:Pc3En+/exAkkxPEm/
Malware Config
Signatures
-
AgentTesla payload 1 IoCs
resource yara_rule static1/unpack001/Guna.UI2.dll family_agenttesla -
Agenttesla family
-
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/Launcher.exe unpack001/addons/clean.exe unpack001/addons/x64.exe
Files
-
KLN_MARKET.zip.zip
-
Guna.UI2.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
7a:98:1b:7d:3e:b4:86:bb:45:84:c4:3c:c9:a8:3f:dbCertificate
IssuerCN=Sobatdata Root CANot Before23-10-2019 05:22Not After22-10-2025 17:00SubjectCN=Sobatdata Software0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01-08-2022 00:00Not After09-11-2031 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23-03-2022 00:00Not After22-03-2037 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14-07-2023 00:00Not After13-10-2034 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
47:b4:cf:f5:c2:a1:e0:36:e9:3f:b8:c2:44:a0:df:33:c2:26:10:62Signer
Actual PE Digest47:b4:cf:f5:c2:a1:e0:36:e9:3f:b8:c2:44:a0:df:33:c2:26:10:62Digest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
mscoree
_CorDllMain
Sections
.text Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Launcher.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 213KB - Virtual size: 213KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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addons/clean.exe.exe windows:4 windows x64 arch:x64
f326f88ca83c9aacaa44acfb8884f1d4
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
wcscat
memcpy
tolower
malloc
kernel32
GetModuleHandleW
HeapCreate
GetStdHandle
SetConsoleCtrlHandler
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetShortPathNameW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetProcAddress
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
PeekNamedPipe
TerminateProcess
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
DuplicateHandle
CreatePipe
CreateProcessW
GetExitCodeProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
RegisterWaitForSingleObject
shell32
ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW
winmm
timeBeginPeriod
ole32
CoInitialize
CoTaskMemFree
shlwapi
PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW
user32
CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
GetWindowLongPtrW
GetWindowTextLengthW
GetWindowTextW
EnableWindow
DestroyWindow
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
GetSystemMetrics
CreateWindowExW
SetWindowLongPtrW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos
gdi32
GetStockObject
comctl32
InitCommonControlsEx
Sections
.code Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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addons/x64.exe.exe windows:6 windows x64 arch:x64
5a2c84a5260790d472a85131661b7356
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
Sleep
LoadLibraryA
GetProcAddress
GetCurrentThreadId
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetModuleFileNameA
Process32First
WriteProcessMemory
Module32Next
Module32First
OpenProcess
CreateToolhelp32Snapshot
Process32Next
CloseHandle
VirtualProtectEx
VirtualAllocEx
ReadProcessMemory
VirtualFreeEx
IsWow64Process
FormatMessageA
GetLocaleInfoEx
CreateFileW
FindClose
FindFirstFileW
GetFileAttributesExW
AreFileApisANSI
GetLastError
GetModuleHandleW
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
LocalFree
msvcp140
?always_noconv@codecvt_base@std@@QEBA_NXZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
?fail@ios_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Winerror_map@std@@YAHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
??7ios_base@std@@QEBA_NXZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memset
__current_exception_context
__current_exception
memcmp
__C_specific_handler
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy
_CxxThrowException
memmove
api-ms-win-crt-stdio-l1-1-0
fread
fsetpos
__stdio_common_vfprintf_s
setvbuf
fgetpos
fwrite
ungetc
_fseeki64
_set_fmode
__stdio_common_vfprintf
fgetc
__p__commode
fclose
fflush
__acrt_iob_func
fputc
_get_stream_buffer_pointers
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
free
_callnewh
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
remove
api-ms-win-crt-runtime-l1-1-0
_cexit
__p___argc
_crt_atexit
_exit
exit
_c_exit
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_register_thread_local_exe_atexit_callback
_set_app_type
_seh_filter_exe
_register_onexit_function
_initialize_onexit_table
terminate
_initterm_e
__p___argv
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-string-l1-1-0
_stricmp
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
___lc_codepage_func
api-ms-win-crt-math-l1-1-0
__setusermatherr
Sections
.text Size: 36KB - Virtual size: 35KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 228B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ