Behavioral task
behavioral1
Sample
51fd3f11129ba9e6445419e9588d81a1_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
51fd3f11129ba9e6445419e9588d81a1_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
51fd3f11129ba9e6445419e9588d81a1_cryptolocker_JC.exe
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Size
97KB
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MD5
51fd3f11129ba9e6445419e9588d81a1
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SHA1
984ed9ebe78e55e07c1071b473343d3d61fc8d81
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SHA256
9e8fa8c9cd05727f365bd4c24a429013949aa32c78fa17b3e1f56ea6ea891790
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SHA512
0db17c59586803be4f850c81ba365d9bbcfa525be7edf9242b7a405b8b2fb0cac889b0ec2213dfa2e1e405db92418a8c2378462e694ebdfd5fd320bd69ce73eb
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJhJ:AnBdOOtEvwDpj6zI
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 51fd3f11129ba9e6445419e9588d81a1_cryptolocker_JC.exe unpack001/out.upx
Files
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51fd3f11129ba9e6445419e9588d81a1_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: - Virtual size: 32KB
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
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out.upx.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
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ