Behavioral task
behavioral1
Sample
2024-03-15_591aa5f91734b63f1c303ace42949a2f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-15_591aa5f91734b63f1c303ace42949a2f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_591aa5f91734b63f1c303ace42949a2f_cryptolocker
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Size
94KB
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MD5
591aa5f91734b63f1c303ace42949a2f
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SHA1
8a0c29ca37c6cec4cd9e818304240cb235a5e2d9
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SHA256
716d6987df3fbd3565ce7f01bec62b832506e494dcb4d284443b93ff0ef1125b
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SHA512
d9211562ce6d4cd5159b18c46c7a7279169686934caf76a1cb09baf9d766fafcb4f2b5d19e7d0e8d3e59e168d319cda5a03586025e3d0e57a9e6e9c9c29ada8d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/f:zCsanOtEvwDpjBf
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 2024-03-15_591aa5f91734b63f1c303ace42949a2f_cryptolocker
Files
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2024-03-15_591aa5f91734b63f1c303ace42949a2f_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