Behavioral task
behavioral1
Sample
2024-01-26_a485141909cf7ceb8c2e1d8e82e9bab6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_a485141909cf7ceb8c2e1d8e82e9bab6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_a485141909cf7ceb8c2e1d8e82e9bab6_cryptolocker
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Size
82KB
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MD5
a485141909cf7ceb8c2e1d8e82e9bab6
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SHA1
36f66e9e5defdab017c843f4ad2c10e6a0776cd8
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SHA256
28b3571542c9c32207930bfbc1414257bcd5f5a098dbe12aee12f04a6e625a7e
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SHA512
7229258f6dfe1e82509b957bf4e97487a863904ce1c5a908797deefa987fca3197ada7043a41a462fa05bee5711a80a2c8b2939d07f7cde12f3141ca882592e3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1bR:zCsanOtEvwDpjH
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 2024-01-26_a485141909cf7ceb8c2e1d8e82e9bab6_cryptolocker
Files
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2024-01-26_a485141909cf7ceb8c2e1d8e82e9bab6_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