Behavioral task
behavioral1
Sample
2024-01-25_f4084e9cbb0ad0967d28a8330c5376e3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_f4084e9cbb0ad0967d28a8330c5376e3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_f4084e9cbb0ad0967d28a8330c5376e3_cryptolocker
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Size
80KB
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MD5
f4084e9cbb0ad0967d28a8330c5376e3
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SHA1
4563f2e3a99fef4bcf910916c68fba9c7fcce259
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SHA256
9a8fd09a1415a9592894521f86b8a0ecfd8a4b6d3da2b0d1eb801554ac4db005
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SHA512
cff121d61d08ea71d7a035550bec740b2d016b5aa6b65ece1335c6cdeddf38a5b3f08822b98a8e9508e8b3cdc46011795955a4623e84e9a8adcf7f157e59cbb2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdefw:T6a+rdOOtEvwDpjNtt
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 2024-01-25_f4084e9cbb0ad0967d28a8330c5376e3_cryptolocker
Files
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2024-01-25_f4084e9cbb0ad0967d28a8330c5376e3_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