Static task
static1
Behavioral task
behavioral1
Sample
lsass_cleaner.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
lsass_cleaner.exe
Resource
win10v2004-20230220-en
General
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Target
lsass_cleaner.exe
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Size
3.3MB
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MD5
f98220ccd2141b753c9c90f20489afb8
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SHA1
f8dab68683de5fc6e5008ad390bb49423b4634e6
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SHA256
2dc8d0680e72c4cb0c0755e4d4e03d1bf908c24224c0ec967378bfe38ac8fe47
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SHA512
4fd35d73682d8fc991b1a830a9d8d08a41dafd82c284629c17112f6113d1a68910e480403016e54d4622f3215681f41eab7075bf0950b9e40f2154a2c335defb
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SSDEEP
98304:GTaGfhybm3IUbekl2Vf1gHtOzWEC9+vCFD:rUf3IUqT1+OJCkG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource lsass_cleaner.exe
Files
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lsass_cleaner.exe.exe windows x64
22ca6ffe7c6a923eac6c88eb4f0b3b1a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
OpenProcess
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
advapi32
LookupPrivilegeValueA
msvcp140
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memcmp
api-ms-win-crt-heap-l1-1-0
_callnewh
api-ms-win-crt-string-l1-1-0
towlower
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-stdio-l1-1-0
_set_fmode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: - Virtual size: 17KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pedrin0 Size: - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.pedrin1 Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pedrin2 Size: 3.3MB - Virtual size: 3.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 476B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ