Behavioral task
behavioral1
Sample
2024-06-03_c4975e854457c9f628aa386140f2fbcf_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_c4975e854457c9f628aa386140f2fbcf_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-03_c4975e854457c9f628aa386140f2fbcf_cryptolocker
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Size
81KB
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MD5
c4975e854457c9f628aa386140f2fbcf
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SHA1
bec8be52e30c8b9c3305349ba81cb07d4d5afc9f
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SHA256
b7d231d5a9b1685b8fdcd0252d0ae5a6afec3969f5074ba6f1103b495deeb3a9
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SHA512
7dc51e640182cdf3fdbc3675d1b7a5a510b1a07755930af662b7cdee51a2e703721befef89bb0585213c086524753042755326b62204b821afde4e673331f7d6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Q6:zCsanOtEvwDpjm
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 2024-06-03_c4975e854457c9f628aa386140f2fbcf_cryptolocker
Files
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2024-06-03_c4975e854457c9f628aa386140f2fbcf_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