Behavioral task
behavioral1
Sample
2024-04-06_fd42a93a69e4353724bb5d52ae3623ce_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_fd42a93a69e4353724bb5d52ae3623ce_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_fd42a93a69e4353724bb5d52ae3623ce_cryptolocker
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Size
64KB
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MD5
fd42a93a69e4353724bb5d52ae3623ce
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SHA1
a3b321a760970e6458cfd3176c79f42ef6442dba
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SHA256
4e6f42d9d3f39f356b9a282a9ccc1989217c978c85142d9ce11355d4709ce866
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SHA512
112322892d5c03ab8b603c8e7859c39fd96a8ff9770016b80508982368788f82ca8e51634aebd00200d4c3aa2f06b63da09887c843ef9e3979545d7eae37cbd6
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xD8:1nK6a+qdOOtEvwDpjy
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 2024-04-06_fd42a93a69e4353724bb5d52ae3623ce_cryptolocker
Files
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2024-04-06_fd42a93a69e4353724bb5d52ae3623ce_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