Behavioral task
behavioral1
Sample
2024-06-01_99fc46721f7c503f42e05448c5048698_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-01_99fc46721f7c503f42e05448c5048698_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-01_99fc46721f7c503f42e05448c5048698_cryptolocker
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Size
81KB
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MD5
99fc46721f7c503f42e05448c5048698
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SHA1
74ae67eabceba788af760d371056ba89434c530d
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SHA256
d835eef02e5b689cc325256656dec976be5f56026e6b3b1193e487f49867ebb1
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SHA512
7348b9d46e33ba4ce417f895fdfe2cb4bc37ee4b4ae23ab8dfd0124119272c39045ab8d851353a677d59ed4a24a02aec1fedf88c936bf324fd0606cccab28bad
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QL:zCsanOtEvwDpjf
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 2024-06-01_99fc46721f7c503f42e05448c5048698_cryptolocker
Files
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2024-06-01_99fc46721f7c503f42e05448c5048698_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