Behavioral task
behavioral1
Sample
2024-01-28_8fc74707454dbde272aef0507e2df438_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_8fc74707454dbde272aef0507e2df438_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_8fc74707454dbde272aef0507e2df438_cryptolocker
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Size
117KB
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MD5
8fc74707454dbde272aef0507e2df438
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SHA1
e860231470c086cd9c9bc7b2b37941a4c2c68d99
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SHA256
515149d60bf03c0eb75dddd4502d934e56b09394ff50596606dee3d4ace0c0d1
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SHA512
c2b7834aacc28dae15f2150b750993bf2f49060a9a78102f0ac5dd45a62a43b51319ca5cb56690b66c531ab191a2948312b225bbe11cbe4be76a9726514f662f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQK:z6a+CdOOtEvwDpjcz2
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 2024-01-28_8fc74707454dbde272aef0507e2df438_cryptolocker
Files
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2024-01-28_8fc74707454dbde272aef0507e2df438_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