Behavioral task
behavioral1
Sample
2024-02-13_59cd3c52560d479ba9f89257f03e2f35_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_59cd3c52560d479ba9f89257f03e2f35_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_59cd3c52560d479ba9f89257f03e2f35_cryptolocker
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Size
116KB
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MD5
59cd3c52560d479ba9f89257f03e2f35
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SHA1
9974d6dc7bf6da995d7c6f6fd5ab2ab691a8fe6a
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SHA256
21566592539978fd83ca4bc0297c2ff0290b478dc025aba6f40bf217c0e0c2d6
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SHA512
77c9610f7aacde854c3ee92681de3cfba6611b6ce7fe416cd3f335392bbd84d8e8c444c92140fa834e9df3fe2fbeabad3a5440a372d588d348170fbf600d8ddf
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01l:z6a+CdOOtEvwDpjczn
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 2024-02-13_59cd3c52560d479ba9f89257f03e2f35_cryptolocker
Files
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2024-02-13_59cd3c52560d479ba9f89257f03e2f35_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