Behavioral task
behavioral1
Sample
2024-03-07_ef440c4bc7ea63ec45a480d76dd979a7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_ef440c4bc7ea63ec45a480d76dd979a7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_ef440c4bc7ea63ec45a480d76dd979a7_cryptolocker
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Size
106KB
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MD5
ef440c4bc7ea63ec45a480d76dd979a7
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SHA1
a80d135bfc36c4322bcf4f849fb326ec7e2fc68e
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SHA256
bdfe687dd05040f03d1d3ef9b4b1b4119a2af7216fb1d979de74b05240e9eb4d
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SHA512
679f578492ae598998d17ab7834dab3e4fd36ff189ea5d942fcb99b676344e9e8c8737c95202a01ace88c39fbb8ccddb4513198beb3bbaf2eb1a57d9d4a047c6
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksurTK:1nK6a+qdOOtEvwDpjj
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 2024-03-07_ef440c4bc7ea63ec45a480d76dd979a7_cryptolocker
Files
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2024-03-07_ef440c4bc7ea63ec45a480d76dd979a7_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