Behavioral task
behavioral1
Sample
2024-05-25_90ffbe23769d269d8e2b47e60a2c4a47_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-25_90ffbe23769d269d8e2b47e60a2c4a47_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_90ffbe23769d269d8e2b47e60a2c4a47_cryptolocker
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Size
95KB
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MD5
90ffbe23769d269d8e2b47e60a2c4a47
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SHA1
5ab3992723f9102bbfbe25ed063576b92a4ef95b
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SHA256
f0bda0c9add76366f60fcb4cd45a74bb91482c374dfcda2144a9c504f8dbf1b7
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SHA512
b1b5c5c4e8496455e6ada38f0d3a7a1ceae0755e07f6d3c73c0e31068bd29867f1a92c531d5967d1a975cc58b54868d0b105a9bcd76f7a5cab7585d99291574b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kM:zCsanOtEvwDpjB/
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 2024-05-25_90ffbe23769d269d8e2b47e60a2c4a47_cryptolocker
Files
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2024-05-25_90ffbe23769d269d8e2b47e60a2c4a47_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