Behavioral task
behavioral1
Sample
2024-02-11_04c87244fd3c8c9ef3a55c97b9b32064_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-11_04c87244fd3c8c9ef3a55c97b9b32064_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-11_04c87244fd3c8c9ef3a55c97b9b32064_cryptolocker
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Size
91KB
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MD5
04c87244fd3c8c9ef3a55c97b9b32064
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SHA1
5a41f525cc77e88196d18f271ef181bc75bbafed
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SHA256
da56a0369a804ec423ef3e1f5da578ec34b55cc73cf965da2f23de24892a9786
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SHA512
3d8ed524ff0d06a5e23d4a156eb8cc4884c616105e58117f1aae11f972d73ec26d11f55f2fbfec0f447958b3cdd38762afc91bb6da5914ce8bd6615ea6a7f7b9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/cD:zCsanOtEvwDpjBQ
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 2024-02-11_04c87244fd3c8c9ef3a55c97b9b32064_cryptolocker
Files
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2024-02-11_04c87244fd3c8c9ef3a55c97b9b32064_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