Behavioral task
behavioral1
Sample
2024-01-28_d3989988ca1f9bfe056094ed8cd0ff00_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_d3989988ca1f9bfe056094ed8cd0ff00_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_d3989988ca1f9bfe056094ed8cd0ff00_cryptolocker
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Size
81KB
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MD5
d3989988ca1f9bfe056094ed8cd0ff00
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SHA1
b7174a762959a4b004d9c62a6776e3efc509d4ff
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SHA256
02cf05c00b61c9658e6ea158315eef2671f0245bd57f821b5376861a6c4e6c53
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SHA512
4614f44a5757e09a2794ef7a2bc59dd6920f35f3ffb94f0e2276b3068c743553978e99cdba8d39bd16f0136b15bb3c7c5daaada88ddc36b2e338b3671eb1ad61
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1H:zCsanOtEvwDpjt
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_d3989988ca1f9bfe056094ed8cd0ff00_cryptolocker
Files
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2024-01-28_d3989988ca1f9bfe056094ed8cd0ff00_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