Behavioral task
behavioral1
Sample
2024-02-22_91fe486aa34f24753ebbf0e78f02500e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_91fe486aa34f24753ebbf0e78f02500e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_91fe486aa34f24753ebbf0e78f02500e_cryptolocker
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Size
92KB
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MD5
91fe486aa34f24753ebbf0e78f02500e
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SHA1
f271f0c61482fb8a62425426df6e3c9cdea3c2a5
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SHA256
34460969804f382f9e35df385f76377fb1458db0f3fa66ba4303bae4012683b3
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SHA512
5a48de6f100e09b862d06c476b83755cd3226a4e3580890bb000cc0b3079c08d9da746500a4495293097dacb3b12d511ceda2aeb3484bb4c49eee64789535f2a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/3vF:zCsanOtEvwDpjBd
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 2024-02-22_91fe486aa34f24753ebbf0e78f02500e_cryptolocker
Files
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2024-02-22_91fe486aa34f24753ebbf0e78f02500e_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