Behavioral task
behavioral1
Sample
2024-03-26_7da47f74899e7d9e629c53650887cad2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_7da47f74899e7d9e629c53650887cad2_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-03-26_7da47f74899e7d9e629c53650887cad2_cryptolocker
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Size
71KB
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MD5
7da47f74899e7d9e629c53650887cad2
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SHA1
4734473ae2f7e23a14e3ac22b8019db5434d61dc
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SHA256
c9195cad1625425640e8cd2217c9689f1e6fba565c90dd56ab464c3595ac8bf6
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SHA512
86ab5ff6aab80a3952c17e99fee8fc487b577de39ba9c0fffc70026a06ebc9f27b43c7f4fe173ce8b6a16bc9ac81cd894ba3ceb34915121b5c37e28bd51a080b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB+:z6a+CdOOtEvwDpjQA
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 2024-03-26_7da47f74899e7d9e629c53650887cad2_cryptolocker
Files
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2024-03-26_7da47f74899e7d9e629c53650887cad2_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