Behavioral task
behavioral1
Sample
2024-02-19_d3c6d586736b6b45ec04dadb1f55b6d6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_d3c6d586736b6b45ec04dadb1f55b6d6_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-19_d3c6d586736b6b45ec04dadb1f55b6d6_cryptolocker
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Size
113KB
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MD5
d3c6d586736b6b45ec04dadb1f55b6d6
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SHA1
844f99014fc3d005fda120439a06e6e842d023ce
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SHA256
e21c571f358c4f769e559b0fb12098b12fba0b3536abb876eaa6a4d28e7d8570
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SHA512
aded8e9df5f8fa305f608179052f66a617c6e855ba4b5153cfbbf36f10e6c0fd0633b1611504fce6439cc6dcd8014d870313e5a390fb21d50c8307371c6ddeca
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp0n:z6a+CdOOtEvwDpjczf
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 2024-02-19_d3c6d586736b6b45ec04dadb1f55b6d6_cryptolocker
Files
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2024-02-19_d3c6d586736b6b45ec04dadb1f55b6d6_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_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