Behavioral task
behavioral1
Sample
99efba378eee2d94cbb6dbba0dcdcd97_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
99efba378eee2d94cbb6dbba0dcdcd97_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
99efba378eee2d94cbb6dbba0dcdcd97_cryptolocker_JC.exe
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Size
121KB
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MD5
99efba378eee2d94cbb6dbba0dcdcd97
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SHA1
123eb36cf7e16c39f8c70c500d44ec7d82f5b73d
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SHA256
9eb862e2f61112116132be592194427f0c3d8e248c4c1126f0379f024b6ecd7b
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SHA512
8ab42ac9cbe279885035c1cf5dd48820a5504c34c6cec9625fdd0dee67fb7f8b771449236e9a906ca3736b29098372f0e5af06daae74343af16f7d75698eff68
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpQbCJhJ:z6a+CdOOtEvwDpjczQ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 99efba378eee2d94cbb6dbba0dcdcd97_cryptolocker_JC.exe
Files
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99efba378eee2d94cbb6dbba0dcdcd97_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_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