Behavioral task
behavioral1
Sample
2024-05-22_b366633afc1c88e885e64a8cd852b80c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_b366633afc1c88e885e64a8cd852b80c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_b366633afc1c88e885e64a8cd852b80c_cryptolocker
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Size
95KB
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MD5
b366633afc1c88e885e64a8cd852b80c
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SHA1
4307fba9f2de831525f07ebf4452ea4675f07d93
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SHA256
633cf185187dc9df7a9239e243d46fc6a36a067569296346943125082bd21143
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SHA512
853d49f9aa21974bd1a2abc88dba476c64a72f7788b7205558e0c638651035a84baaf920b8b08d8b54ec2a888f5c3953c4d250a878d84bafc225707aad944647
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kKO:zCsanOtEvwDpjBQ
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 2024-05-22_b366633afc1c88e885e64a8cd852b80c_cryptolocker
Files
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2024-05-22_b366633afc1c88e885e64a8cd852b80c_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_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - 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