Behavioral task
behavioral1
Sample
58a5fa2e45d7b65b96170da6ff77c6c5_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
58a5fa2e45d7b65b96170da6ff77c6c5_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
58a5fa2e45d7b65b96170da6ff77c6c5_cryptolocker_JC.exe
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Size
82KB
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MD5
58a5fa2e45d7b65b96170da6ff77c6c5
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SHA1
567d02035e5f0dbb59351be1dd0c1e88a093207a
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SHA256
1eeddac9b3b74cd8f573945dd27d202e58b91c9e950d75068f1a6bfea7fb37c9
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SHA512
fd033ef9f0575f356bc19a0828c01af4f867d03cac69152526d6bc7076688b39e4a0ec001739b84911d5156bd23fcd7734530a10912defff0149e23331c77e12
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOTsS:T6a+rdOOtEvwDpjNP
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 58a5fa2e45d7b65b96170da6ff77c6c5_cryptolocker_JC.exe
Files
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58a5fa2e45d7b65b96170da6ff77c6c5_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