Behavioral task
behavioral1
Sample
2024-03-28_fd37b69164e3b5a6b86b4178e2faea1e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-28_fd37b69164e3b5a6b86b4178e2faea1e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_fd37b69164e3b5a6b86b4178e2faea1e_cryptolocker
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Size
110KB
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MD5
fd37b69164e3b5a6b86b4178e2faea1e
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SHA1
42e5c59b2189ae32ced59cdb7cf366d0081c8ded
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SHA256
3a127cf270a9b3b7caa64444dd26d3e78f1553bfafea516883c6ea7c749b8803
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SHA512
81ffe8876bd2ad43d868bd24243590dbcb3168a9699ec66adf05e70076cc151e64c11f46d4a179dee7d232e7c32493364970acbea883c196816c2bb77ff7f314
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOP:z6a+CdOOtEvwDpjczi
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 2024-03-28_fd37b69164e3b5a6b86b4178e2faea1e_cryptolocker
Files
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2024-03-28_fd37b69164e3b5a6b86b4178e2faea1e_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