C:\Krampus\x64\Release\SG9uZXlwb3Q.pdb
Static task
static1
Behavioral task
behavioral1
Sample
Check Serials.bat
Resource
win10-20240611-en
Behavioral task
behavioral2
Sample
Check Serials.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
SG9uZXlwb3Q.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
SG9uZXlwb3Q.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
amifldrv64.sys
Resource
win10-20240404-en
Behavioral task
behavioral6
Sample
amifldrv64.sys
Resource
win10v2004-20240802-en
General
-
Target
SG9uZXlwb3Q.zip
-
Size
366KB
-
MD5
0a56f9d0654229ff5574002d016fb529
-
SHA1
6742ac8c9106503745234aa77c24a5f624e37788
-
SHA256
579818792c3f71b6b787d769af7a7b3a74d6b7cbc088d64975e534d88a5fed8c
-
SHA512
8700a3beb2bdc630bd5c0cc5fd9421f0c288dfb87cb562adb056e48f7dd256e4012195e637db1888b8e6e92d9fc9f3e38a05fa0e8e8c212035840db2dae31478
-
SSDEEP
6144:H+64z1nnvNjnSc92l1ei+S9TEUg9AiTgsVSQyxxFc5bCRGFUi6woMT7Z8:H+51n1TN9u1jfq9Ai5pUi6w4
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/SG9uZXlwb3Q.exe
Files
-
SG9uZXlwb3Q.zip.zip
-
Check Serials.bat
-
SG9uZXlwb3Q.exe.exe windows:6 windows x64 arch:x64
606136a603a4bff4a26302c286974f70
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
PDB Paths
Imports
kernel32
FindNextFileW
GetCurrentProcess
TerminateProcess
GetProcessId
GetEnvironmentVariableW
FindClose
OpenProcess
CreateToolhelp32Snapshot
Sleep
Process32NextW
GetCurrentThread
LoadLibraryA
Process32FirstW
CloseHandle
GetSystemInfo
GetThreadContext
GetProcAddress
VirtualAllocEx
ExitProcess
ReadProcessMemory
FreeLibrary
IsDebuggerPresent
CheckRemoteDebuggerPresent
RtlLookupFunctionEntry
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
WriteProcessMemory
FindFirstFileW
Module32FirstW
CompareFileTime
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
RtlCaptureContext
user32
ExitWindowsEx
FindWindowA
GetWindowThreadProcessId
advapi32
AdjustTokenPrivileges
OpenProcessToken
LookupPrivilegeValueW
msvcp140
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Xbad_alloc@std@@YAXXZ
?id@?$ctype@_W@std@@2V0locale@2@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$collate@_W@std@@2V0locale@2@A
?id@?$codecvt@_WDU_Mbstatet@@@std@@2V0locale@2@A
_Wcsxfrm
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?snextc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?_Ipfx@?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAA_N_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?getloc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEBA?AVlocale@2@XZ
?sbumpc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?sgetc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
?_Init@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXXZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?uncaught_exceptions@std@@YAHXZ
??0?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAGXZ
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEB_W_J@Z
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAPEAV12@PEA_W_J@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??1?$basic_istream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??5?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@AEA_K@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?good@ios_base@std@@QEBA_NXZ
??7ios_base@std@@QEBA_NXZ
??Bios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@_W@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?tolower@?$ctype@_W@std@@QEBAPEB_WPEA_WPEB_W@Z
?tolower@?$ctype@_W@std@@QEBA_W_W@Z
?is@?$ctype@_W@std@@QEBA_NF_W@Z
?_Getcat@?$codecvt@_WDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?unshift@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?out@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEB_W1AEAPEB_WPEAD3AEAPEAD@Z
?in@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEA_W3AEAPEA_W@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??1facet@locale@std@@MEAA@XZ
??0facet@locale@std@@IEAA@_K@Z
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UEAAXXZ
??Bid@locale@std@@QEAA_KXZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
??1_Locinfo@std@@QEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Wcscoll
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memchr
memset
_CxxThrowException
__C_specific_handler
__current_exception_context
__current_exception
memcmp
memcpy
__std_exception_destroy
__std_exception_copy
wcsstr
__std_terminate
strchr
memmove
api-ms-win-crt-stdio-l1-1-0
_set_fmode
fgetpos
fputc
setvbuf
fwrite
__p__commode
_get_stream_buffer_pointers
_fseeki64
fread
fsetpos
fgetc
fflush
ungetc
ungetwc
fputwc
fclose
fgetwc
api-ms-win-crt-heap-l1-1-0
free
realloc
_set_new_mode
malloc
_callnewh
api-ms-win-crt-runtime-l1-1-0
_configure_narrow_argv
terminate
_initialize_onexit_table
_register_onexit_function
system
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_invalid_parameter_noinfo_noreturn
_get_initial_narrow_environment
_initterm
_initterm_e
exit
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_narrow_environment
_exit
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 733KB - Virtual size: 733KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 34KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
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: 512B - Virtual size: 464B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
amifldrv64.sys.sys windows:6 windows x64 arch:x64
363922cc73591e60f2af113182414230
Code Sign
61:20:4d:b4:00:00:00:00:00:27Certificate
IssuerCN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before15/04/2011, 19:45Not After15/04/2021, 19:55SubjectCN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
09:f4:3c:81:c1:eb:27:87:6e:e1:ae:fe:aa:5a:0f:5dCertificate
IssuerCN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=USNot Before24/06/2014, 00:00Not After30/08/2017, 12:00SubjectSERIALNUMBER=780491,CN=American Megatrends\, Inc.,O=American Megatrends\, Inc.,POSTALCODE=30093,STREET=5555 Oakbrook Parkway Suite 200,L=Norcross,ST=Georgia,C=US,1.3.6.1.4.1.311.60.2.1.2=#130747656f72676961,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6eExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate
IssuerCN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before22/10/2014, 00:00Not After22/10/2024, 00:00SubjectCN=DigiCert Timestamp Responder,O=DigiCert,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate
IssuerCN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before18/04/2012, 12:00Not After18/04/2027, 12:00SubjectCN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before10/11/2006, 00:00Not After10/11/2021, 00:00SubjectCN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=USExtended Key Usages
ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
6a:eb:58:7e:dc:d0:12:89:ab:c8:43:16:ae:88:95:9c:23:56:63:feSigner
Actual PE Digest6a:eb:58:7e:dc:d0:12:89:ab:c8:43:16:ae:88:95:9c:23:56:63:feDigest Algorithmsha1PE Digest MatchestrueHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
d:\amibios\utility\amiflashdriver\flashdriverwin64\Release\amd64\amifldrv64.pdb
Imports
ntoskrnl.exe
ZwMapViewOfSection
RtlInitUnicodeString
ZwUnmapViewOfSection
ZwClose
ObReferenceObjectByHandle
ZwOpenSection
MmUnmapLockedPages
MmMapLockedPages
MmFreeContiguousMemory
MmBuildMdlForNonPagedPool
IoFreeMdl
MmGetPhysicalAddress
MmMapIoSpace
PsGetVersion
MmIsAddressValid
IoAllocateMdl
MmAllocateContiguousMemory
DbgPrint
IoDeleteSymbolicLink
IoDeleteDevice
IofCompleteRequest
IoCreateSymbolicLink
IoCreateDevice
KeBugCheckEx
MmMapLockedPagesSpecifyCache
MmUnmapIoSpace
hal
HalTranslateBusAddress
Sections
.text Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1024B - Virtual size: 572B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 272B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 192B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
INIT Size: 1024B - Virtual size: 1010B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE