Behavioral task
behavioral1
Sample
f8f376ffbd23e9a7cab02c91655bf53a_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
f8f376ffbd23e9a7cab02c91655bf53a_cryptolocker_JC.exe
Resource
win10v2004-20230824-en
General
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Target
f8f376ffbd23e9a7cab02c91655bf53a_cryptolocker_JC.exe
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Size
73KB
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MD5
f8f376ffbd23e9a7cab02c91655bf53a
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SHA1
5bb96466f0b6034ad386e4cbb7943e3493d022e1
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SHA256
9c40c954e7b77401430feba9e87248584a99b052b2aefff5732ad69dcf8b0c0b
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SHA512
a4a763af55f9108f0bffe8e1ef589dfa1c246624882019cbb699b057552761396d6a020860fdf561a1cc4f12633a7ddaa7b2c72090df166fa172e370bb7e1ed5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJH:zCsanOtEvwDpjC
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f8f376ffbd23e9a7cab02c91655bf53a_cryptolocker_JC.exe
Files
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f8f376ffbd23e9a7cab02c91655bf53a_cryptolocker_JC.exe.exe 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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE