Behavioral task
behavioral1
Sample
NEAS.2023-09-08_540d48c386e96f46162bc9331058f925_cryptolocker_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-08_540d48c386e96f46162bc9331058f925_cryptolocker_JC.exe
Resource
win10v2004-20231025-en
General
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Target
NEAS.2023-09-08_540d48c386e96f46162bc9331058f925_cryptolocker_JC.exe
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Size
64KB
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MD5
540d48c386e96f46162bc9331058f925
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SHA1
4aaba8faa88f80fb326d7df8e87a0067314f76d8
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SHA256
ae1da3c0fae1a3f4fe1899c6005e08ceb726841c24f10d3942d626a001511eb2
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SHA512
1912f765c2c17428d58bbff1c19bcf95a00143eefc1c13b775f0a2dd72227e3ff5ee30b94057a4c4fb7b67bb7025da30f67e2d0b3f67b9a1cedeaec32837cab2
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFpMMYkW0NrD5v6ntOOtEvwDpjqIH:zQz7yVEhs9+8uMJP6ntOOtEvwDpjF
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-08_540d48c386e96f46162bc9331058f925_cryptolocker_JC.exe
Files
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NEAS.2023-09-08_540d48c386e96f46162bc9331058f925_cryptolocker_JC.exe.exe windows:5 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