Behavioral task
behavioral1
Sample
2024-02-25_b120a8db3382e279a4f8dfccaaa539f5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_b120a8db3382e279a4f8dfccaaa539f5_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_b120a8db3382e279a4f8dfccaaa539f5_cryptolocker
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Size
64KB
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MD5
b120a8db3382e279a4f8dfccaaa539f5
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SHA1
bb78b05a25ce3fac40385ffc298203658bdec6d0
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SHA256
225cebc62c76731c6625e326082fe08b0fcd9f82ca39c4ea98fbbda6d7bfeb63
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SHA512
efe92628dde600e4fe9ede169fd3d1b7d94a4e2c564811d6e4445cbf9855e25f1e85acb9c84101ff1aaa93f2a319ee8a1e41a74601cf2e234db0fdda90eafeb4
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k54z:zj+soPSMOtEvwDpj4kpmeLmQ58
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 2024-02-25_b120a8db3382e279a4f8dfccaaa539f5_cryptolocker
Files
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2024-02-25_b120a8db3382e279a4f8dfccaaa539f5_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