SpLsaModeInitialize
Behavioral task
behavioral1
Sample
sudo.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
sudo.dll
Resource
win10v2004-20240412-en
General
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Target
sudo.dll
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Size
10KB
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MD5
65364acf10e1fe72681d89c47cf14c88
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SHA1
04821d491a128434828bef3f9ff75c77e8c6a02f
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SHA256
fd89b6aecd7efbbb991c15d1313192c7680be4b06f0ebbf2fc223ab1d6144eff
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SHA512
677b8738cfd8025317e68ec834b05f62d2910c1272ac0fd48b1b12b779635f34a4922d45ee3299e56dceb515a8e845179c2d6daf76fd6c4317a6d5e257a18929
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SSDEEP
96:4Pb5tcAZX8vpdn701NlSQ4rz35JCUSKasPeWtw1zDHaXKGqQdzAlpHFussDJ9hLs:65tcdHn70oyBKxwxwdzAJu1DLhLouH
Malware Config
Signatures
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Mimikatz family
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule sample mimikatz -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource sudo.dll
Files
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sudo.dll.dll windows:6 windows x64 arch:x64
f2ba1d1c78a7d11454a9a14db5a32d93
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
Sleep
IsDebuggerPresent
InitializeSListHead
DisableThreadLibraryCalls
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
vcruntime140
__std_type_info_destroy_list
memset
__C_specific_handler
api-ms-win-crt-stdio-l1-1-0
_wfopen
api-ms-win-crt-runtime-l1-1-0
_initialize_onexit_table
_execute_onexit_table
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm
_cexit
_initialize_narrow_environment
Exports
Exports
Sections
.text Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 444B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 248B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ