Behavioral task
behavioral1
Sample
AnonFileApi.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
AnonFileApi.dll
Resource
win10v2004-20230220-en
General
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Target
AnonFileApi.dll
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Size
136KB
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MD5
ff2ec80291092caf5ae9b0daa0800b33
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SHA1
068f8f28f72f36aa11f4196c7a7ea83f2d15dd76
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SHA256
86bccabb160c21fcfe903f6af79d6b93f0d063456991ad95ae18e713944253b3
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SHA512
e348c64b93f755c1e0beb92dca7a74cd244a1803087060a7e258fb44c13e8cc78b92cf8927d49cc18311f0a307fb67d98d8570a60fff6c78535714c30bd9bd83
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SSDEEP
3072:tKja+V5I1Q3ugfYS37vSFrjmebd/muNxwelmBXplcE6H:tKf7+BjmFucelIX/k
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource AnonFileApi.dll
Files
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AnonFileApi.dll.dll windows x86
dae02f32a21e03ce65412f6e56942daa
Headers
DLL Characteristics
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
_CorDllMain
Sections
.text Size: - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 133KB - Virtual size: 133KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 904B
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