Behavioral task
behavioral1
Sample
2024-04-08_3f6d20fa4e4ec734d87cfbf16ed83432_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_3f6d20fa4e4ec734d87cfbf16ed83432_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_3f6d20fa4e4ec734d87cfbf16ed83432_cryptolocker
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Size
59KB
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MD5
3f6d20fa4e4ec734d87cfbf16ed83432
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SHA1
90fb85b05b88374698b96347176c89c06ab5a96d
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SHA256
dfd70cb5b7782d064688a8de6125dd1f856e40b811a1b324ffc956924b6aa6ac
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SHA512
1f66108358493c45f358ebbe85641b271d3c04b15dc6b41997c6a30012a19dd546c78b32dd480607c76016f3267b3bc4bad43a31f5a5c317adeb94a9940e6088
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app5:z6QFElP6n+gKmddpMOtEvwDpj9aYap
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 2024-04-08_3f6d20fa4e4ec734d87cfbf16ed83432_cryptolocker
Files
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2024-04-08_3f6d20fa4e4ec734d87cfbf16ed83432_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