Behavioral task
behavioral1
Sample
2024-04-06_bfcb640e914822cff68db4c867594e36_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_bfcb640e914822cff68db4c867594e36_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_bfcb640e914822cff68db4c867594e36_cryptolocker
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Size
88KB
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MD5
bfcb640e914822cff68db4c867594e36
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SHA1
e3cdacd4ed8e99e5cdcebda9192fa00c535d4c1a
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SHA256
aad9c7af35fc41eaefdfc1393042a278c46158d41c70fa1f8d6e18abce28b00a
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SHA512
82647ef1210f3d0fcd84394769a27f4ca3fd8b323e6b5fae3622016e7df8cf5c73c3dafcdfadf93d463e17950ec0e67466b0e7fba1c576dc4af2720b0b61cb61
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjZ: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 2024-04-06_bfcb640e914822cff68db4c867594e36_cryptolocker
Files
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2024-04-06_bfcb640e914822cff68db4c867594e36_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