Behavioral task
behavioral1
Sample
2024-02-03_7f8ca55f0e0db2573f85f2c58bdce685_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_7f8ca55f0e0db2573f85f2c58bdce685_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_7f8ca55f0e0db2573f85f2c58bdce685_cryptolocker
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Size
82KB
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MD5
7f8ca55f0e0db2573f85f2c58bdce685
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SHA1
4b1c62ccde95c3376e0c0764fd917bfcf1895c3b
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SHA256
9a13541dd2202a2d0b384eb5d09b5cf17246069612ddfe1f9b92b73d2fe2ed01
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SHA512
10c6602b25d8fa37ee4bf79c7598bfc664e0d39f8e0369351bc82d2b77147a0309fb8023d8312257d5cce25e83e86e1e729029b370f354eda5eafcd00de9a8c8
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nM:zCsanOtEvwDpjS
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 2024-02-03_7f8ca55f0e0db2573f85f2c58bdce685_cryptolocker
Files
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2024-02-03_7f8ca55f0e0db2573f85f2c58bdce685_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