Behavioral task
behavioral1
Sample
2024-05-17_91f315fcbe07dd6af6ca9a8a73438ed3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_91f315fcbe07dd6af6ca9a8a73438ed3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-17_91f315fcbe07dd6af6ca9a8a73438ed3_cryptolocker
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Size
58KB
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MD5
91f315fcbe07dd6af6ca9a8a73438ed3
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SHA1
5c9f6c1c5153106cb64390b778668572aa63052a
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SHA256
4d9061a390a12f1f71ce18a21b715bd2057e6b0a14a5a3ce97d0f49baefce6ca
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SHA512
30b996c7d153594778361013e4c74b9b911ad43d48ace8191c84a852713600e8e3198d2047aeb3f9f1b037176a3872daa2b44e98cee90653bbfd3f0cbb2efe57
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax+NOO:z6QFElP6n+gKmddpMOtEvwDpj9aYalO
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 2024-05-17_91f315fcbe07dd6af6ca9a8a73438ed3_cryptolocker
Files
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2024-05-17_91f315fcbe07dd6af6ca9a8a73438ed3_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