Static task
static1
Behavioral task
behavioral1
Sample
autochk.sys
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
autochk.sys
Resource
win10v2004-20231215-en
General
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Target
autochk.exe
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Size
934KB
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MD5
8c4056de05d8d152155c27aae4accebb
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SHA1
13ca9ec2e9c624551018bf9781eb5365334b41ad
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SHA256
cd5dfe3380c5b7422718839ad8e7e6c96d1bfb7eab5f5e02eb5542a3d845ac00
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SHA512
04b5dd06f2070287390a398a9e958f7bc2060b332c1e8717afc411a4219c4da735e84e501dd2db64f7ec470004a9b648007f1d35451db232045c0b2195bfa7e4
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SSDEEP
24576:vCTyDOVUhzJ1Iq4O2K/OiwVdBCNvtOUV:vClUjYrpeUUV
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource autochk.exe
Files
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autochk.exe.sys windows:4 windows x86 arch:x86
d6d2fdcb9bc59ecbcf8e97f5cc18da42
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
ntdll
wcscpy
NtQuerySecurityObject
NtReadFile
NtDisplayString
LdrLoadDll
NtAdjustPrivilegesToken
RtlInitUnicodeString
NtCreateKey
NtQueryInformationToken
RtlQueryEnvironmentVariable_U
NtDelayExecution
NtCreateFile
NtSetValueKey
NtOpenProcessToken
NtDeleteFile
NtSetSecurityObject
NtWriteFile
NtClose
NtTerminateProcess
RtlUnwind
Sections
.text Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ