Behavioral task
behavioral1
Sample
2024-03-19_66be554f09ecdc812ea07800ddf4b4dd_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-19_66be554f09ecdc812ea07800ddf4b4dd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_66be554f09ecdc812ea07800ddf4b4dd_cryptolocker
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Size
80KB
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MD5
66be554f09ecdc812ea07800ddf4b4dd
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SHA1
a790424341900287b2fe38979f125a97557f5b66
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SHA256
726b560366bb4a854985d7d2252d0ae38fb635b0b402405cc0483ec73659b6dd
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SHA512
50a68da341af4e68bc7301b024058c21643e7b59e6f434555226860be8da1760518718981daf96b38f1ee9b64acc18c78df3367ef2b7e760f99ac23b063e28e7
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyS2zZr:zCsanOtEvwDpj+
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 2024-03-19_66be554f09ecdc812ea07800ddf4b4dd_cryptolocker
Files
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2024-03-19_66be554f09ecdc812ea07800ddf4b4dd_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_CODE
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