Behavioral task
behavioral1
Sample
39748e0438afc6561c3a3ab81c13f637_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
39748e0438afc6561c3a3ab81c13f637_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
39748e0438afc6561c3a3ab81c13f637_cryptolocker_JC.exe
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Size
64KB
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MD5
39748e0438afc6561c3a3ab81c13f637
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SHA1
eda7568921f78e289b2f34df8a18b930fe6f1e1d
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SHA256
d65ffb5f3e5465b0cfb98d93a1d91e76299f1cceeacfb1e6234bddd4c28dc448
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SHA512
797d2a2208358f3220ba2ecb21d664ae1c692e8c89bf02ed10be30e4a2ccacbaccd590d7aa8d5ff6dd0772de7847a79d80f670c7bcef8f2cc9dfb15b613c5505
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTOOZs3O:T6a+rdOOtEvwDpjNr
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 39748e0438afc6561c3a3ab81c13f637_cryptolocker_JC.exe
Files
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39748e0438afc6561c3a3ab81c13f637_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