Behavioral task
behavioral1
Sample
2024-04-28_7a2a157e097ce2099275dc3153a841bf_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_7a2a157e097ce2099275dc3153a841bf_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_7a2a157e097ce2099275dc3153a841bf_cryptolocker
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Size
80KB
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MD5
7a2a157e097ce2099275dc3153a841bf
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SHA1
b88057b162922394f88fe4d2bd43b0d05aa6d4c9
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SHA256
f54d103f70264ddb11c3f05a0a1bb6ef43ef1680490153d6d0d09c0f01bb37f2
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SHA512
66e5fc679c8852246ff26cb9d7afa0d3acc60ead0da009fd5d3ca208b0eb4fda201a0f0741e75ec507675ecba6ee469da451fdea343b822c3050f47a01c87991
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qb:zCsanOtEvwDpjv
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 2024-04-28_7a2a157e097ce2099275dc3153a841bf_cryptolocker
Files
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2024-04-28_7a2a157e097ce2099275dc3153a841bf_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