Behavioral task
behavioral1
Sample
2024-02-20_3455f853bd457e8c7e1f46e922e296b7_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-20_3455f853bd457e8c7e1f46e922e296b7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_3455f853bd457e8c7e1f46e922e296b7_cryptolocker
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Size
82KB
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MD5
3455f853bd457e8c7e1f46e922e296b7
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SHA1
209083c287afd0f0d55bd8886d5026bb602a462c
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SHA256
92ba52f9a50dd67d276f966a93aa0295db7445b475056947602d9106d432c8c6
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SHA512
91fc2cb1ba0c7067525be7557817c539dfe85eac0cbd1cc7a4c3d3d40ea3c89da84f64a1feebd296c09cb0e99b99f53f758eef13fec32b1e6be69b6fbeead52f
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7ED:T6a+rdOOtEvwDpjNa
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 2024-02-20_3455f853bd457e8c7e1f46e922e296b7_cryptolocker
Files
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2024-02-20_3455f853bd457e8c7e1f46e922e296b7_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_CODE
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