Behavioral task
behavioral1
Sample
2024-01-29_a245389bf2b93dfda59696c9d53d93e3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_a245389bf2b93dfda59696c9d53d93e3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_a245389bf2b93dfda59696c9d53d93e3_cryptolocker
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Size
64KB
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MD5
a245389bf2b93dfda59696c9d53d93e3
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SHA1
920513c65c57a25623f8394946241acb168da08b
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SHA256
80ab284f2d811a89b874226862e362372eb20c7bca4163977961fb6aea936855
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SHA512
0492f830e7cbe0cf430147a0ca36ee73acdd5e2e34c2e25419867f2512874e59547768c4c5f96ae6e874bb4490151a54f756b684ede158f294c979e70da26310
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Uk:1nK6a+qdOOtEvwDpj5
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-29_a245389bf2b93dfda59696c9d53d93e3_cryptolocker
Files
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2024-01-29_a245389bf2b93dfda59696c9d53d93e3_cryptolocker.exe windows:5 windows x86 arch: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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE