Behavioral task
behavioral1
Sample
2024-02-25_a39e5ee8ec47fedb5f94959e50180590_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-25_a39e5ee8ec47fedb5f94959e50180590_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_a39e5ee8ec47fedb5f94959e50180590_cryptolocker
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Size
83KB
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MD5
a39e5ee8ec47fedb5f94959e50180590
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SHA1
11f1cc7cc356be022a2e811362105d1e70945787
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SHA256
feb39bf0c34634e309aadc1e6397f75fba29e88248a24ff252e2ea65b1427de7
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SHA512
e38bbdda2a96a0cb53e73e09873fb1f37b5fdcb1cf102d5b07b9eb226253b631b12c58cec9d3f6610c2f9d3410771f77e680f7a8ab117ebe34db8d19a3d411c9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1YnH:zCsanOtEvwDpjY
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 2024-02-25_a39e5ee8ec47fedb5f94959e50180590_cryptolocker
Files
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2024-02-25_a39e5ee8ec47fedb5f94959e50180590_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