Behavioral task
behavioral1
Sample
2024-02-23_a8b80cb6ab9ccd1b1ba036b3301daf68_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_a8b80cb6ab9ccd1b1ba036b3301daf68_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_a8b80cb6ab9ccd1b1ba036b3301daf68_cryptolocker
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Size
78KB
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MD5
a8b80cb6ab9ccd1b1ba036b3301daf68
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SHA1
40c224bb56350b3bb378eb083dc7b9f409fc9c51
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SHA256
64400bfd4e9e3f236290111fa03d8854572ad7f77094b120ca2b2cc6f6d24ab4
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SHA512
f6c1c35fda10da214276a4fcad78e85cd77e0807161a3a66e72977e80b31b7ec096fcc2e9ae2063cdcfec5a103faba0f86ef5af2bc61f9f883b75bdd33e7268b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyTEy:zCsanOtEvwDpjly
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 2024-02-23_a8b80cb6ab9ccd1b1ba036b3301daf68_cryptolocker
Files
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2024-02-23_a8b80cb6ab9ccd1b1ba036b3301daf68_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