Behavioral task
behavioral1
Sample
2024-01-22_4855b7f8c7d2cc3e2768c4292a9c2bdf_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-22_4855b7f8c7d2cc3e2768c4292a9c2bdf_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-22_4855b7f8c7d2cc3e2768c4292a9c2bdf_cryptolocker
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Size
115KB
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MD5
4855b7f8c7d2cc3e2768c4292a9c2bdf
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SHA1
748ff0eedc08723302ad18395d37bc8363fbea0a
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SHA256
9f7c19c962b4c93accade8091af5fdc8dcf654d300587e076ce5604af8d6307e
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SHA512
67f61b80ca0e93232b29fa7285280223f6136638a97d2dfaf2183ad3fb9c53cad71e19a057d9717d73838c332b1738eaa9d649e3b61b1c2f7e2dec4af9c6e0bc
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01+:z6a+CdOOtEvwDpjczQ
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 2024-01-22_4855b7f8c7d2cc3e2768c4292a9c2bdf_cryptolocker
Files
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2024-01-22_4855b7f8c7d2cc3e2768c4292a9c2bdf_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