Behavioral task
behavioral1
Sample
2024-02-21_55893d605a2f5df99240eb6a5da82bf6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-21_55893d605a2f5df99240eb6a5da82bf6_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_55893d605a2f5df99240eb6a5da82bf6_cryptolocker
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Size
90KB
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MD5
55893d605a2f5df99240eb6a5da82bf6
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SHA1
0c06bb6549e4b5b8619f2cdfc033bc2437780f80
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SHA256
4ba36f784729bd5d0b5d3db15eba30955983ae07d6e4014f0719d12d65ef1d4d
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SHA512
695ce8aa5adbafb4236f8f4473acc57f7faa1a6bf9601b63c6da08350fd3da3daa72adf6f988acbab41e2b41d750c5a210acf7c4ff0d235a41641b6f4bb95b1a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjhWJ:zCsanOtEvwDpj5
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 2024-02-21_55893d605a2f5df99240eb6a5da82bf6_cryptolocker
Files
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2024-02-21_55893d605a2f5df99240eb6a5da82bf6_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