Behavioral task
behavioral1
Sample
2024-05-28_b291d0d8fcfec5c616f7b135c8f320dc_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_b291d0d8fcfec5c616f7b135c8f320dc_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_b291d0d8fcfec5c616f7b135c8f320dc_cryptolocker
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Size
60KB
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MD5
b291d0d8fcfec5c616f7b135c8f320dc
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SHA1
184ed0da44f443de469904f0ce9ed15ef1ad0ec8
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SHA256
6553cdaf2e08a63be0a530871c959b3f98b4e297e5bb7c8017ef47f7dcdfeb00
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SHA512
1072715053c4ab118ae3074b480e13265ecaff2db98460d959e3ad41d0403273892190539f95a5ab91e40aae4e6dbb8428a80ff4bd7d6931d786be3bacae1b98
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pF:H6QFElP6n+gou9cvMOtEvwDpjCpVXb
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 2024-05-28_b291d0d8fcfec5c616f7b135c8f320dc_cryptolocker
Files
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2024-05-28_b291d0d8fcfec5c616f7b135c8f320dc_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: 11KB - 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