Behavioral task
behavioral1
Sample
2024-05-21_8521a5b02f9c48aa03dbb1611322a698_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-21_8521a5b02f9c48aa03dbb1611322a698_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_8521a5b02f9c48aa03dbb1611322a698_cryptolocker
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Size
81KB
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MD5
8521a5b02f9c48aa03dbb1611322a698
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SHA1
10ebe9f46f5b8836efc7e64316cfc0c67155cc7a
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SHA256
4e01efd164dc67320f2ba48bfc3a4fd1a455762c982208a7792bae2dcbad5305
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SHA512
44a4d370bc5b9a14ec33f1e4c472908c73e80fd79fc11dee3f65307046c79b98bb99f3d2dd929be5174c00b28f7c8d29df304a9ef08dd0e9d464d567e87f9858
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QsV:zCsanOtEvwDpjG
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 2024-05-21_8521a5b02f9c48aa03dbb1611322a698_cryptolocker
Files
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2024-05-21_8521a5b02f9c48aa03dbb1611322a698_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