Behavioral task
behavioral1
Sample
2024-02-17_bf8b888e1b7c9393cfd84bfc22a48ab7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_bf8b888e1b7c9393cfd84bfc22a48ab7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-17_bf8b888e1b7c9393cfd84bfc22a48ab7_cryptolocker
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Size
109KB
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MD5
bf8b888e1b7c9393cfd84bfc22a48ab7
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SHA1
ecdc9ba85884ad33f6f6a70fd64dba9ff79db629
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SHA256
82a0c25618d7ebb74eb75796862aab990b255512be591118f05004d14cd2fb8c
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SHA512
9155c0648d232fba8cc77873320878063577c27c96afb6d6e5e12c76f33acfb70dc0460e3caa21d651a5fb49d3e9e38f0ba04ddc8fd80b29fc3aeeb5331565ef
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg6Z:z6a+CdOOtEvwDpjczG
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 2024-02-17_bf8b888e1b7c9393cfd84bfc22a48ab7_cryptolocker
Files
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2024-02-17_bf8b888e1b7c9393cfd84bfc22a48ab7_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