Behavioral task
behavioral1
Sample
2024-04-23_27228afd8205aa533ad3b2f1cfee70c3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_27228afd8205aa533ad3b2f1cfee70c3_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_27228afd8205aa533ad3b2f1cfee70c3_cryptolocker
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Size
80KB
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MD5
27228afd8205aa533ad3b2f1cfee70c3
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SHA1
702c5eec5e98eea76aafbdb88b4e9a27099c05a4
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SHA256
3d3a59c9b747ff57a132a345c93c7a1abde6a4aac8735d499305d7edf2a02f3a
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SHA512
5be81404e5758078315b1142eb69c18d1d8f16c0678290b679a84e6775fda609e8ed77401175d138ca5e76a8c25dcdfcde1f8216e89fa1496c5c083d7c4c58dd
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qc:zCsanOtEvwDpj4
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 2024-04-23_27228afd8205aa533ad3b2f1cfee70c3_cryptolocker
Files
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2024-04-23_27228afd8205aa533ad3b2f1cfee70c3_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