Behavioral task
behavioral1
Sample
2024-02-03_540b9b4a8774c225b45a03d2ffe96367_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_540b9b4a8774c225b45a03d2ffe96367_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_540b9b4a8774c225b45a03d2ffe96367_cryptolocker
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Size
62KB
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MD5
540b9b4a8774c225b45a03d2ffe96367
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SHA1
ea90e8988dcd80ad9f5b1afcfbc8f1a6efdd5fc6
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SHA256
81371411cd9ea9fa8a636508fc69b3901ce0681d2fdef3c26245dc51b0623b23
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SHA512
a8ec20908018e7dd3b6c4db184885e19bf17d678ae9d13bc7bb65612c4a40b0618412585672238b251f41b9ecbdf9d9d6085c3e58afaed73e7aa6a26932f7590
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYhP+w:1nK6a+qdOOtEvwDpj+
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 2024-02-03_540b9b4a8774c225b45a03d2ffe96367_cryptolocker
Files
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2024-02-03_540b9b4a8774c225b45a03d2ffe96367_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