Behavioral task
behavioral1
Sample
2024-01-23_942fc21ce2241a1b0033fa9208c3874d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_942fc21ce2241a1b0033fa9208c3874d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_942fc21ce2241a1b0033fa9208c3874d_cryptolocker
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Size
64KB
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MD5
942fc21ce2241a1b0033fa9208c3874d
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SHA1
994f558267df8e7af5aaff36fced9c123f825933
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SHA256
b1fcea7a8321c168a2052f18eb9b85a45b9bd45dbd24cb2c2fe6e646ba272176
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SHA512
9cf44f951e55fcba735ad4153254478a24cf32955af56946fbd103c426b2e6faf999d2d69c547e92aebd9f06288cbf82ad5a24cea46017ac747341e4b07fad30
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gXKum/kLyMro2GtOOtEvwDpj/:z6QFElP6n+gXDmddpMOtEvwDpj
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 2024-01-23_942fc21ce2241a1b0033fa9208c3874d_cryptolocker
Files
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2024-01-23_942fc21ce2241a1b0033fa9208c3874d_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_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