Behavioral task
behavioral1
Sample
2024-02-22_cfeaba4fa7ac80cce62352dfc68810f5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_cfeaba4fa7ac80cce62352dfc68810f5_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_cfeaba4fa7ac80cce62352dfc68810f5_cryptolocker
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Size
91KB
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MD5
cfeaba4fa7ac80cce62352dfc68810f5
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SHA1
838da17ca96d315385884000524221ccf5a8786e
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SHA256
99c8fec39e23b81ab2dcafc33706ea8edd9fc8069c0cee664ecc277f7b34976f
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SHA512
113c8c1a7475e523529116ae3c5e59f8b9eccf0edad4aa90e7f7cd684156d1f9218060b696727fdabe60f868c2c6208242107284a478224be3188115217c29f6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87UvTT:zCsanOtEvwDpjS
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 2024-02-22_cfeaba4fa7ac80cce62352dfc68810f5_cryptolocker
Files
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2024-02-22_cfeaba4fa7ac80cce62352dfc68810f5_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