Behavioral task
behavioral1
Sample
UserHelp.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
UserHelp.dll
Resource
win10v2004-20230220-en
General
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Target
UserHelp.dll
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Size
302KB
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MD5
ab5db553c7a15f760db65f12d36347c6
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SHA1
fc2a8c2ac2b435400863ad98572d113c7c6906f0
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SHA256
048c2d86119a0bfd4d5702071e244196222355ba1d405713afa2adf52c9ba93b
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SHA512
42bceb381477028634170d342eaaf103074961ed6b99189ab0b5e58c7585029a56ced84397a3858898308e048abe1c5823893124b83597605589cdaa7469e4ee
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SSDEEP
6144:s/19O06x/4lc4GxYm+Ysw63V0TGxpXUpfzSOKffLj4:s/jOdx/4lc4GxQdt3OGxpXUJSffH4
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource UserHelp.dll
Files
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UserHelp.dll.dll windows x86
dae02f32a21e03ce65412f6e56942daa
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp0 Size: 159KB - Virtual size: 159KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 135KB - Virtual size: 134KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 912B
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