Behavioral task
behavioral1
Sample
hcrypt.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
hcrypt.exe
Resource
win10v2004-20230915-en
General
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Target
hcrypt.exe
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Size
606KB
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MD5
c45418ac1005a3ff20cb2f6b279c0a0f
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SHA1
db12795b126cb1e77a8a21395f2c92ee3ddd81a4
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SHA256
4d7d6c87bc5fcd25943229ac6008a15cd12e9291183ef49573ce1df521274bec
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SHA512
4781c66d06a94eee0d23dbaf58393811c8822875d669fd03cfa51b73bc6ab1dfaf7b31f00c10dc4b20039f7fe5eab4e58eeb128a23184f81230b0dd3aa01c79f
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SSDEEP
12288:hxcpF6UFHgERgBKHZuKiCIxphynnQ+U6W6c1JSPoqlSwSlRFaUc4ojKO7Ik2d:S6+HgEoK5uFjpXbalFSEUc4ojKdk2d
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource hcrypt.exe unpack001/out.upx
Files
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hcrypt.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 1.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 605KB - Virtual size: 608KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 1.9MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 182KB - Virtual size: 182KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 26KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE