Behavioral task
behavioral1
Sample
2024-05-23_dd9658f475d6f97598dcf4d9bd6b75c4_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_dd9658f475d6f97598dcf4d9bd6b75c4_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_dd9658f475d6f97598dcf4d9bd6b75c4_cryptolocker
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Size
91KB
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MD5
dd9658f475d6f97598dcf4d9bd6b75c4
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SHA1
1422aa31ed92c1107dc64c1733727eaed16d7702
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SHA256
1f0e6c9d962fea02f3d537aa999e50389bb9e6120c7b80b458f6ed81dc31971f
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SHA512
76c9650329275d16ef3b574206c446994278a42639968f35963357d6c95bec786e25af6e8fae1998918bddb02f19f19dcd5013271b685e8ccdc52aa6162c234e
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/D6:n6a+1SEOtEvwDpjYYvQd2P9
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 2024-05-23_dd9658f475d6f97598dcf4d9bd6b75c4_cryptolocker
Files
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2024-05-23_dd9658f475d6f97598dcf4d9bd6b75c4_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
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: 11KB - 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