Behavioral task
behavioral1
Sample
2024-02-14_a4c834be2b09dcc67c353fdd4dfbfe27_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_a4c834be2b09dcc67c353fdd4dfbfe27_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_a4c834be2b09dcc67c353fdd4dfbfe27_cryptolocker
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Size
58KB
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MD5
a4c834be2b09dcc67c353fdd4dfbfe27
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SHA1
d16786db40c94ce9d45f9a25f96bef5c42f60a9b
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SHA256
f4ee2c7be89115566ac878974335b9f2de3b36bfa1ab296101419ccbd75ce64f
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SHA512
5e47c43279af63f128794169cfdbabca0d5cead73ef03db1f00609b4b7770083b913bccde5e55db5e43c6f9dc2fb1d92229001f8d663cc4e0d0acd5075dd1120
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appgcmZ:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ3Z
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 2024-02-14_a4c834be2b09dcc67c353fdd4dfbfe27_cryptolocker
Files
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2024-02-14_a4c834be2b09dcc67c353fdd4dfbfe27_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