Behavioral task
behavioral1
Sample
2024-02-12_4035f8cfda6e18339efe4c4bd3de7cfe_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_4035f8cfda6e18339efe4c4bd3de7cfe_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_4035f8cfda6e18339efe4c4bd3de7cfe_cryptolocker
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Size
56KB
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MD5
4035f8cfda6e18339efe4c4bd3de7cfe
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SHA1
f39f19d93d42cb83b5b14c0a431b2cb0392b76c1
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SHA256
5101bd229f83fd327b66eb4a6940f5a5344ebb5d7be4f99f0bcb75b58fd3a137
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SHA512
2bbd34c03b055fe7cf5486587ada4071a65da508e9e888b759807220683a36c79763b6ac1a11d60fe4021442762b3b237d6c90a70f66412c39c37ee1f722547c
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpymZuB:zj+soPSMOtEvwDpj4yeB
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 2024-02-12_4035f8cfda6e18339efe4c4bd3de7cfe_cryptolocker
Files
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2024-02-12_4035f8cfda6e18339efe4c4bd3de7cfe_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