Behavioral task
behavioral1
Sample
2024-05-09_b0b4386ba30789a9f1418ff381cf9d94_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-09_b0b4386ba30789a9f1418ff381cf9d94_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_b0b4386ba30789a9f1418ff381cf9d94_cryptolocker
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Size
79KB
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MD5
b0b4386ba30789a9f1418ff381cf9d94
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SHA1
3b83c82b283ecc349d6a4040b41ed00b7b02897c
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SHA256
905265d86e517962e9d7d9d9e0715dff35b1f7801252fed9e3fc5baf46d74999
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SHA512
9861e6a38fa6258c911a4b8855a141daaf9f2d6242f1d60c6ec6eff57929bcf53c3fb5070d53bfef38895b20c346175226322886a2424e0589a8566bd9d2a4e4
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqdC:T6a+rdOOtEvwDpjNcv
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 2024-05-09_b0b4386ba30789a9f1418ff381cf9d94_cryptolocker
Files
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2024-05-09_b0b4386ba30789a9f1418ff381cf9d94_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