Behavioral task
behavioral1
Sample
4d99ec37b7a18f1615ef81d51acf73da_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4d99ec37b7a18f1615ef81d51acf73da_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
4d99ec37b7a18f1615ef81d51acf73da_cryptolocker_JC.exe
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Size
84KB
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MD5
4d99ec37b7a18f1615ef81d51acf73da
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SHA1
197830657b5a36a4a16d920abe42e4768cfd71a1
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SHA256
23978b8a3e6cb96d3c2528d633724246d7bf5299d282be77de8daa65850dfc2f
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SHA512
0947889739e780000d78a34929feebfb9b789d7b781aa3321c7e17616101c1003e20296955651336c1a69d3ae096f2e74ccf99c83ea0c2fbedf7eb8e2fd91d14
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalDSnUC9u:1nK6a+qdOOtEvwDpjO
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4d99ec37b7a18f1615ef81d51acf73da_cryptolocker_JC.exe
Files
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4d99ec37b7a18f1615ef81d51acf73da_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE