Behavioral task
behavioral1
Sample
2024-03-12_39c9b49213d26574178599e2b54d735d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_39c9b49213d26574178599e2b54d735d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_39c9b49213d26574178599e2b54d735d_cryptolocker
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Size
67KB
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MD5
39c9b49213d26574178599e2b54d735d
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SHA1
f8d990c12f3682cf2dd8aa46828e70244855eb19
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SHA256
0ea322be959b9c5d2d5c03f85f23c7e45cc97d86cf25d79b039726e4a061ef08
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SHA512
55b6e8271301a0c39eb4e7247e1a9b0ba71af9b572509d305ffd9a2b3619004363fe50406e16be2bab8d88e1ac9e782488b8592f21ac71fd481f4bd3700eba98
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UncA9:1nK6a+qdOOtEvwDpj6
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 2024-03-12_39c9b49213d26574178599e2b54d735d_cryptolocker
Files
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2024-03-12_39c9b49213d26574178599e2b54d735d_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE