Behavioral task
behavioral1
Sample
2024-05-04_c5a87e0bd8ceae773a099f4b1652f34a_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-04_c5a87e0bd8ceae773a099f4b1652f34a_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_c5a87e0bd8ceae773a099f4b1652f34a_cryptolocker
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Size
84KB
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MD5
c5a87e0bd8ceae773a099f4b1652f34a
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SHA1
f9ce93ed01e0ffd8c8cb8b4f9c7e43c29f62f89a
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SHA256
8ac1790f17c934c581377b2e90db244a4c9ab54974a7ab4763a9d7a24c12128e
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SHA512
f9d09f0c7e64c51c3b82ee5c9e9c6dd7a8fbcaa707ecddf8c2e1825c58799770f50978f9c0f7d632c562d82afb166cfaa25d4a66e3e8c55c0b5d3cde8e27e0b9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1/:zCsanOtEvwDpjl
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 2024-05-04_c5a87e0bd8ceae773a099f4b1652f34a_cryptolocker
Files
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2024-05-04_c5a87e0bd8ceae773a099f4b1652f34a_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