Behavioral task
behavioral1
Sample
2024-02-12_b5135f92d2e3276354a02e1629394bc3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_b5135f92d2e3276354a02e1629394bc3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_b5135f92d2e3276354a02e1629394bc3_cryptolocker
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Size
113KB
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MD5
b5135f92d2e3276354a02e1629394bc3
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SHA1
e0309e2edd2cdf0e212906519d576572a248e124
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SHA256
7bd78a823f9ade23f302fa933002f84b136bb004d7a862a59987477f0158172c
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SHA512
32802ee391a4c237287b353fc31723f2790a9caa5baa13c011e95e068bdc057b8fd3a03ce71c318fedb6cf16fb0d49de96001890ac9089d4352f1014ebc4c993
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwbC2:z6a+CdOOtEvwDpjczD
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 2024-02-12_b5135f92d2e3276354a02e1629394bc3_cryptolocker
Files
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2024-02-12_b5135f92d2e3276354a02e1629394bc3_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