Behavioral task
behavioral1
Sample
2024-02-23_598fca5e6e2905280a57a59b451ed6c1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_598fca5e6e2905280a57a59b451ed6c1_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_598fca5e6e2905280a57a59b451ed6c1_cryptolocker
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Size
105KB
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MD5
598fca5e6e2905280a57a59b451ed6c1
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SHA1
5f4ba0b590a1697b620d4b5f884b421c4d97b134
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SHA256
d4f743e7a7f5ae06f24e522785d872ecac2edad1628110e124ba5fbf4eac2ca7
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SHA512
7f3d8b200e84dc4302026b7bb9c9201bfb522aeda5ce7f073659d86817bad4c685333f5b45ccb4048fd3db71641b93059117d53033bff2563eb8ca52f4268605
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gksat:1nK6a+qdOOtEvwDpjE
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 2024-02-23_598fca5e6e2905280a57a59b451ed6c1_cryptolocker
Files
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2024-02-23_598fca5e6e2905280a57a59b451ed6c1_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